Endogene Geodynamik

• Reinstraumlabor
  Probenaufbereitung für Spurenanalytik
• Massenspektrometrie
  Isotopen- und Spurenanalytik
• XRD/XRF – Labore
  Mineralogie und chemische Analyse

Projekte

• Magmatic evolution of island arc and backarc crust and implications for hydrothermal venting in the NE Tonga arc
  (Third Party Funds Group – Sub project)
  Overall project: TONGARIFT
  Term: 1. February 2018 - 31. March 2020
  Funding source: Bundesministerium für Bildung und Forschung (BMBF)
  Abstract

  Oceanic island arcs probably evolve through different tectonic stages that are marked by the formation and eruption of different magmatic rocks. Boninites have a peculiar geochemical composition reflecting partial melting of highly depleted mantle and are believed to be typical for the early stages of island arc evolution. The main objectives of the proposed project are sampling of shallow crustal profiles at the NE Tonga Ridge and Lau backarc basin where boninitic lavas appear to be very abundant in order to establish the stratigraphic situation of these boninites. Lavas from the N Tonga volcanic islands have unique compositions reflecting very strong depletion of the mantle wedge and re-enrichment by fluids from subducted seamount lavas, whereas some backarc lavas indicate influence of mantle plume material, possibly from Samoa. The Niuatahi volcano is surrounded by young lava flows and volcanic ridges that reach to the NE Lau spreading centre and the abundant on- and off-axis lavas allow studying the magma generation and mixing processes from the arc front to the backarc. We propose to study the composition of the NE Tonga volcanoes to better define the different sources and the implications for mantle and melting dynamics in a subduction zone. The recently active volcanoes in the NE Lau backarc and NE Tonga arc show highly variable hydrothermal venting and thus offer a natural laboratory for the study of the effects of magma degassing on hydrothermal fluid and precipitate composition. We suggest sampling of different vents related to different magmatic structures in order to test models of the effects of varying magmatic volatile input and water depth on the fluids.
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• Magma formation and evolution in an oceanic island arc - back-arc system: a case study from the Tonga arc and Valu Fa Ridge
  (Third Party Funds Single)
  Term: 1. February 2018 - 31. January 2021
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
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• Bildung, Transport und Entwicklung von Magmen in einem ozeanischen, ultralangsam spreizenden Rift
  (Third Party Funds Single)
  Term: 1. July 2017 - 30. June 2020
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
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• Durchführung von Spurenelementmessungen und Nd-Pb Isotopenmessungen an Manganknollen und assoziierten Sedimenten
  (Third Party Funds Single)
  Term: 1. May 2017 - 31. December 2017
  Funding source: Bundesministerium für Wirtschaft und Technologie (BMWi)
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• Vulkanische und tektonische Prozesse im westlichen Teil des Eger Grabens
  (Third Party Funds Single)
  Term: 1. May 2017 - 30. April 2018
  Funding source: Bayerische Staatsministerien
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• Formation and evolution of magmas due to subduction of sediments: a case study of the submarine Paphsanias Volcano, Aegean Arc
  (Third Party Funds Single)
  Term: 15. April 2017 - 31. March 2018
  Funding source: Deutsche Forschungsgemeinschaft (DFG)
  Abstract

  Andesite magmas at active continental margins may form due to assimilation-fractional crystallization processes from basaltic mantle melts or due to direct partial melting of unusual mantle rocks resulting, for example, from mixing of sediment melts with peridotite. Magmas of the Aegean Arc indicate a reaction of the melts with the crust during the ascent as well as a strong input of sediment into the melting zone of the mantle wedge. These different mixing processes are difficult to define in most rocks and require detailed studies of melt (glass) and mineral compositions. Thus, submarine lavas are best suited for a study of andesite formation because melts are quenched and their composition including volatile contents can be determined. The volcanoes of the western Aegean mainly erupted effusive lavas in domes and flows rather than showing explosive activity. We propose a cruise to the westernmost submarine volcano Paphsanias of the Aegean Arc that has not been studied petrologically and geochemically. We suggest studying and sampling this volcano using an ROV that will give us stratigraphic control of the samples. The ROV dives will allow determining the relative abundance of lavas and volcaniclastic rocks and yield insights into the apparently different magma ascent and eruption processes in the western volcanoes. Given the young age of the Paphsanias volcano the crater may also show hydrothermal activity that we will be able to observe and sample using the ROV.Andesite magmas at active continental margins may form due to assimilation-fractional crystallization processes from basaltic mantle melts or due to direct partial melting of unusual mantle rocks resulting, for example, from mixing of sediment melts with peridotite. Magmas of the Aegean Arc indicate a reaction of the melts with the crust during the ascent as well as a strong input of sediment into the melting zone of the mantle wedge. These different mixing processes are difficult to define in most rocks and require detailed studies of melt (glass) and mineral compositions. Thus, submarine lavas are best suited for a study of andesite formation because melts are quenched and their composition including volatile contents can be determined. The volcanoes of the western Aegean mainly erupted effusive lavas in domes and flows rather than showing explosive activity. We propose a cruise to the westernmost submarine volcano Paphsanias of the Aegean Arc that has not been studied petrologically and geochemically. We suggest studying and sampling this volcano using an ROV that will give us stratigraphic control of the samples. The ROV dives will allow determining the relative abundance of lavas and volcaniclastic rocks and yield insights into the apparently different magma ascent and eruption processes in the western volcanoes. Given the young age of the Paphsanias volcano the crater may also show hydrothermal activity that we will be able to observe and sample using the ROV.
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• Behaviour of Igneous Systems and Metal endowment across Arcs
  (Third Party Funds Single)
  Term: 1. January 2017 - 31. December 2019
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
  Abstract

  Rifting of arc crust may host large hydrothermal systems with the potential of forming large mineral deposits of economic relevance. The highly variable structural and magmatic conditions across arcs into the backarc environment provide a unique opportunity to investigate a large diversity of magmatic and hydrothermal systems (e.g., Hannington et al., 2005). Here, we aim at quantifying both the changes in the melting regime (physical conditions, melting and mantle sources) in the transition from arc front into backarc and the impact on metal potential. A direct contribution of magmatic volatiles to (ore-forming) hydrothermal fluids is known from island arc volcanoes but the general links between oxidation state, sulphur saturation and magmatic degassing on metal behaviour in silicate melts are still a matter of active debate. Jenner et al. (2010, 2015) pointed at the importance of the onset of magnetite crystallization for sulphur saturation and thus chalcophile element behaviour. However, their magnetite crisis may be restricted to specific physicochemical circumstances (such as closed system behaviour, oxidation state and melt composition etc.) and needs to be investigated in different magmatic systems (e.g., arc to backarc transition) and spatial resolution. Here, we are aiming at disentangling the influence of mantle sources and melting on the metal enrichment in melts and volatiles and the geological framework of pathways for melts and volatiles at a scale that is relevant to resource exploration. This project consists of two sub-projects, one with an emphasis on mantle sources, melting conditions and magmatic differentiation providing the basic framework and the other focused on seafloor geology (ascent paths and geodynamics) and the distinct behaviour of metals (especially Cu, Au and the so-called critical metals) and volatiles (H2O, CO2, Cl, S) in the melts. However, these two projects are closely linked (especially through the aspect of magma evolution), requiring close collaboration and frequent exchange. The focus of this study will be on the Tonga-Kermadec subduction system, where extensive sample material is readily available and two additional research cruises have been recently approved (ARCHIMEDES I and TongaRIFT). 
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• Tectonic origin of the Troodos Ophiolite from three-dimensional geochemical mapping of the lava pile
  (Third Party Funds Single)
  Term: 1. November 2016 - 31. October 2019
  Funding source: Deutsche Forschungsgemeinschaft (DFG)
  Abstract

  Ophiolites are often used to infer the internal structure of the oceanic crust and the processes by which it is formed, but most ophiolites were not formed in typical mid-ocean ridge settings. Instead, they appear to have formed close to former subduction zones, but the exact tectonic setting in which they were formed is debated. If ophiolites represent fore-arc crust formed during subduction initiation events, then they provide insights into the initiation of subduction zones, an outstanding unresolved question in plate tectonics. If ophiolites were formed in back-arc or plate edge settings they may represent useful analogues for the internal structure of oceanic crust. If they were formed at a ridge-trench-trench or ridge-trench-transform triple junction then they could be used to infer mantle wedge structure and processes. These tectonic models predict different geochemical variations in ophiolite lavas with space and time. We will map out the 3D gechemical structure of the Troodos Ophiolite of Cyprus, one of the best preserved an exposed ophiolites. We will use major and trace element microanaysis of fresh volcanic glass in order to avoid the effects of alteration. Detailed high resolution sampling of sections through the Troodos volcanic section on both the northern and southern margins of the ophiolite will be used to determine the chemical evolution of magmatism and test hypotheses for the tectonic origin of this ophiolite.
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• Temperature-related stresses as a unifying principle in ancient extinctions
  (Third Party Funds Group – Sub project)
  Overall project: FOR 2332: Temperature-related stresses as a unifying principle in ancient extinctions (TERSANE)
  Term: 1. July 2016 - 30. June 2019
  Funding source: DFG / Forschergruppe (FOR)
  URL: https://www.gzn.fau.de/palaeoumwelt/projects/tersane/index.html
  Abstract

  Combined with local and regional anthropogenic factors, current human-induced climate warming is thought to be a major threat to biodiversity. The ecological imprint of climate change is already visible on land and in the oceans. The imprint is largely manifested in demographic/abundance changes and phenological and distribution shifts, whereas only local extinctions are yet attributable to climate change with some confidence. This is expected to change in the near future owing to direct heat stress, shortage of food, mismatches in the timing of seasonal activities, geographic barriers to migration, and new biological interactions. Additional stressors are associated with climate warming in marine systems, namely acidification and deoxygenation. Ocean acidification is caused by the ocean's absorption of CO2 and deoxygenation is a result of warmer water, increased ocean stratification and upwelling of hypoxic waters. The combination of warming, acidification and deoxygenation is known as the "deadly trio". Temperature is the most pervasive environmental factor shaping the functional characteristics and limits to life and is also central to the generation and biological effects of hypoxic waters and to modulating the effects of ocean acidification, with and without concomitant hypoxia. Due to the key role of temperature in the interaction of the three drivers we termed these temperature-related stressors (TRS).
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• The role of mixing processes in andesite genesis - deep sediment recycling versus shallow crustal contamination
  (Third Party Funds Single)
  Term: 1. January 2015 - 1. January 2018
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
  Abstract

  Andesites are the typical volcanic rocks at active continental margins and the average continental crust has an andesitic composition. Many andesitic magmas form by complex mixing processes involving sedimentary material that is either subducted into the mantle wedge or may be assimilated in the crust by the ascending magma. The Aegean arc represents the subduction zone with one of the highest sediment recycling rates on Earth and the magmas show whole-rock geochemical evidence of a significant sediment contribution. In order to define the depths of the magma sources and the mixing processes we suggest to study the major and trace element as well as Sr-Nd-Hf-Pb-O isotope composition of minerals like olivine, amphibole, clinopyroxene, and plagioclase and potential glass inclusions in lavas from the Methana/Aegina volcanoes in the Aegean arc. The mineral phases allow insights into the mixing processes of different end-members at different depths that can be determined by thermo-barometry. The Methana/Aegina lavas are well-suited for such a case study because they are geochemically well-described and variable with extreme compositions of the mixing end-members and they contain abundant mineral phases.
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• The magmatic and geochemical evolution of oceanic intraplate volcanoes: constraints from the Louisville Seamounts (IODP Leg 330) and other Pacific hotspots
  (Third Party Funds Group – Sub project)
  Overall project: SPP 527: Bereich Infrastruktur - Integrated Ocean Drilling Program/Ocean Drilling Program
  Term: 1. October 2013 - 1. October 2016
  Funding source: DFG / Schwerpunktprogramm (SPP)
  Abstract

  The volcanoes of long-lived, age-progressive seamount chains are likely the result of mantle plumes rising from the upper and possibly even lower mantle underneath moving lithosphere plates. The volcanoes evolve through distinct stages from a shield-building to a post-shield or even post-erosional stages over a period of several millions of years. Typically, the major element compositions range from tholeiitic to SiO2-undersaturated magmas with decreasing age of the lava. The geochemical variability observed is influenced by changes of depth and degree of partial melting but may also be influenced by the mineralogical and geochemical composition of the mantle source. These parameters likely depend on the positioning of the mantle plume relative to the lithospheric plate. The impact of mantle plume temperature, dynamics and composition on these geochemical changes is only poorly understood. This project aims at analysing volcanic glasses and olivines from seamounts of the Louisville Seamount Chain (IODP Leg 330) and other Pacific Hotspots ((Macdonald, Society, Pitcairn, Juan Fernandez) to investigate the compositional variability of primitive melts erupted on old, fast moving lithosphere. The samples are readily available in Erlangen and Kiel. The composition of the glasses allows to better constrain the composition of the primary melt compared to whole rock analyses. In addition, the O isotope composition of glasses and olivines from different hotspots will be measured to determine the O isotope variability in mantle plumes. Combined with published ages and geochemical data this is the first systematic study on the variability of mantle melts in different hotspot settings and its relationship with the mantle plume positioning relative to the lithospheric plate.
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• Volcanism and hydrothermal venting in the Coriolis Basins, New Hebrides Island Arc
  (Third Party Funds Single)
  Term: 1. June 2013 - 31. May 2015
  Funding source: Bundesministerium für Bildung und Forschung (BMBF)
  Abstract

  Junges Rifting (< 3 Ma) im südlichen Neue Hebriden Inselbogen erzeugte drei vulkanische und hydrothermal aktive Becken im Coriolis Becken, in denen z.T. alkaline Magmen mit Anreicherungen an Nb und Ta auftreten. Weiterhin zeigt der Vanuatu Inselbogen eine starke Dynamik mit einem Umspringen der vulkanischen Aktivität weiter nach Osten. Durch das Rifting wurden tiefe Bereiche des Inselbogens freigelegt, die offenbar bis 7 Ma alt sind. Eine detaillierte stratigraphische Beprobung dieser Riftflanken und der jungen Vulkane im südlichen Inselbogen und im Backarc ermöglichen daher einmalige Möglichkeiten zur Entwicklung der Magmen, ihres Aufstiegs und ihrer Quellen in den letzten 7 Ma. Drei Vorkommen von hydrothermalen Quellen bzw. Präzipitaten wurden in den Coriolis Troughs bisher beschrieben aber nicht detailliert untersucht. Mit einem ROV sollen die zeitliche und chemische Variabilität zwischen Magmengenese, Vulka­nismus und Hydrothermalismus im Gebiet der Coriolis Becken untersucht werden. Von Bedeutung sind Fragen der lithologischen Kontrolle durch volatilreiche, alkaline Magmen und Einflüsse vulkanischer Entwicklung auf metallogenetische Prozesse sowie der Fluiddynamik und –entwicklung. Die Auswirkung unterschiedlicher Wassertiefen auf die Entgasungs­prozesse und Zusammensetzung hydrothermaler Fluide steht dabei im Vordergrund. Ein weiterer Schwer­punkt liegt in der Untersuchung der kleinräumigen Variabilität magmatischer Differenziation  im Inselbogen und deren Rückkopplung auf Metallfraktionierung und hydrothermale Aktivität. Von biologischer Seite steht das Verständnis der Kontrolle der Habitate sowie der Faunenverteilung und -zusammensetzung an hydrothermalen Austritten im Vordergrund. 
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• Hotspot Rücken Südatlantik
  (Third Party Funds Single)
  Term: 1. December 2012 - 30. November 2015
  Funding source: Industrie
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• Trace element analysis in pyrite
  (Third Party Funds Single)
  Term: 1. September 2012 - 30. September 2013
  Funding source: Bundesministerium für Wirtschaft und Technologie (BMWi)
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• Origin and length scale of compositional anomalies in the convecting Earth: constraints from the Azores
  (Third Party Funds Single)
  Term: 1. September 2011 - 30. March 2013
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
  Abstract

  Lavas from the Azores islands show some of the most extreme variation in trace element and isotope compositions known from oceanic intraplate volcanoes. This extreme variation has partly been explained by the presence of recycled crustal rocks in the mantle sources. Stable isotopes provide the prospect to increase our understanding of the generation of such mantle sources. While the 18O/16O of upper mantle olivines shows a small variability (~δ18O of 5.0-5.2 ‰) the incorporation of sedimentary and continental material into the mantle will significantly increase the δ18O. Contrastingly, the high temperature alteration of the oceanic crust will result in lower δ18O. The Azores archipelago displays an ideal site to study the O isotope variation of highly variable mantle sources on a small scale in order to determine their origin. We propose a systematic study of olivine and clinopyroxene phenocrysts from primitive lavas and plagioclase phenocrysts from evolved lavas as well as glass analyses from all lavas of the Azores volcanoes both east and west of the Mid-Atlantic Ridge in order to better understand the variability of mantle sources and their origin. Chlorine and F concentrations in glasses from different islands will help to define crustal assimilation of the Azores magmas and can also be used to define recycled crustal material in pristine mafic rocks. This study will complement the large geochemical data set on the Azores magmas and provide important new insight into the origin of mantle sources.
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• Identifying time constraints and mechanisms of crust-mantle coupling in Central European continental lithosphere
  (Third Party Funds Single)
  Term: 1. May 2010 - 30. May 2013
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
  Abstract

  The buoyant continental mantle root plays an important role in stabilizing of the lithosphere but its composition and age as well as its relationship to the crust are poorly understood. The crust is believed to be largely generated in subduction zones while several other geodynamic settings have been proposed to facilitate lithospheric mantle generation. In this project we suggest to study the lower crust and subcontinental lithospheric mantle along the Eger Rift with highly precise and accurate trace element and isotope methodologies. The Eger region is particularly interesting because it transverses the boundary of two major lithospheric blocks (the Saxothuringian and the Moldanubian) and has been amalgamated during the Variscan orogeny. We propose to study the geochemical and isotopic composition of crustal and mantle xenoliths in order to compare the petrogenesis of the different parts of the lithosphere and define possible relationships. The lithosphere beneath the Eger Rift is also believed to contribute to the alkaline magmatism and thus another part of the project is concerned with the better definition of magma sources and their regional variation.
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• The generation of felsic magmas in the oceanic crust: assimilation-fractional crystallization processes versus re-melting of the crust
  (Third Party Funds Single)
  Term: 1. February 2010 - 29. February 2012
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
  Abstract

  In dem beantragten Projekt soll eine kombinierte geochemische und experimentell petrologische Untersuchung der Bildung von SiO2-reichen Magmen in der ozeanischen Kruste durchgeführt werden. Diese Studie soll das Verständnis 1) der Fraktionierungsprozesse, die zur Bildung von felsischen Magmen führen, 2) der Magmendynamik während des Aufstiegs in der ozeanischen Kruste und 3) die Interaktion von Shcmelzen mit der alterierten ozeanischen Kruste verbessern. Hauptbestandteil des vorgeschlagenen Projektes soll die Untersuchung von Gesteinen des Oman Ophiolits darstellen, wobei einerseits die felsischen Gesteine und andererseits die damit auftretenden mafischen und hydrothermal alterierten Nebengesteinen untersucht werden sollen. Damit soll festgestellt werden, durch welche Prozesse (Assimilation, partielle Aufschmelzung oder fraktionierende Kristallisation) die felsischen Magemn entstanden. Ausserdem sollen basaltische, andesitische und dazitische Laven des Pazifisch-Antarktischen Rückens untersucht werden, da an dieser schnell-spreizenden Achse felsische Laven verbreitet sind, aber noch keine detaillierte Studie ihrer Entstehung durchgeführt wurde. Wir planen im Rahmen einer Dissertation geochemische und isotopengeochemische Untersuchungen an Gesamtgesteinen, vulkanischen Gläsern, Phäno- und Xenokristallen zur Entwicklung eines umfassenden Verständnisses der Transformation von mafischem zu felsischem Material. Gleichzeitig sollen in einer anderen Dissertation die Mineral-Schmelzgleichgewichte, Verteilungskoeffizienten von Spurenelementen und mögliche Aufschmelz oder Kristallisationsprozesse mit experimentellen Methoden an den gleichen Proben untersucht werden. 
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• Magmatische und sedimentologische Entwicklung eines ozeanischen Plateaus am Beispiel der Azoren
  (Third Party Funds Single)
  Term: 1. September 2009 - 30. September 2011
  Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
  Abstract

  Die Azoren liegen auf einem ozeanischen Plateau mit etwa 10-12 km mächtiger Kruste basaltischer Zusammensetzung. Das Plateau mit der verdickten Kruste entwickelte sich offenbar durch verstärkten Vulkanismus vor etwa 6-4 Ma. Seit 4 Ma entsteht am Mittelatlantischen Rücken dünnere Kruste, da die Schmelzanomalie abgeschwächt ist und so das Azoren Plateau geteilt wird. Der magmatische Puls vor 6-4 Ma wurde möglicherweise durch einen Mantelplume-Kopf ausgelöst, der zur Bildung des Plateaus aus ozeanischen (Flut)basalten führte. Die Insel Santa Maria am östlichen Rande des Plateaus reflektiert eine Schlüsselrolle in der Bildung des Plateaus. Das Projekt hat drei Ziele: (1) die zeitliche und chemische Entwicklung des Vulkanismus auf dem Plateau zu klären (z.B. der Übergang von tholeiitischen Flutbasalten zu alkalinen Magmen der Inseln), (2) die Wechselwirkung zwischen der Azoren Schmelzanomalie und dem Mittelatlantischen Rücken zu bestimmen, (3) den Magmentransport und die Eruptionsmechanismen in der frühen Plateaubildungsphase zu bestimmen und (4) den zeitlichen Rahmen und biogeographischen Kontext sowie Diagenesepfade der eingeschalteten Karbonate zu bestimmen.
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• Oxygen isotope variations in oceanic magmatic rock suites: assimilation-fractional crystallization processes versus mantle source variations
  (Third Party Funds Single)
  Term: 1. January 2009 - 31. December 2010
  Funding source: Deutsche Forschungsgemeinschaft (DFG)
  Abstract

  Oxygen isotopes are an important tool to study reactions between ascending mantle-derived magmas and material in the oceanic lithosphere that has been altered by surface processes like for example, sediments or hydrothermally altered rocks. Furthermore, crystal fractionation processes can also affect the O isotope composition especially of evolved magmas because different mineral phases fractionate O isotopes. Both assimilation and crystal fractionation thus impede the study of O isotope compositions of the magma sources in the mantle which could give important insights into recycling processes at subduction zones and in deep mantle plume-derived intraplate magmas. Here we suggest a study of the O isotope variation of five well-characterized lava series from different oceanic magmatic settings (mid-ocean ridge, oceanic intraplate, back-arc, and island arc settings) in order to define the variations between basaltic and silicic lavas and the processes affecting the O isotope ratios. Based on the understanding of lithospheric processes we will be able to distinguish the O isotope composition of the mantle sources of the magmas and draw conclusions on crustal recycling into the deep mantle and into the mantle wedge beneath subduction zones. 
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• The lead isotope composition of the Earth’s mantle from double-spike analysis of abyssal peridotites
• Geochemical structure and tectonic origin of supra-subduction zone ophiolites
• Investigating the relationships between flood basalt volcanism, climate change and mass extinction events
• The formation and evolution of oceanic hotspot volcanoes
• Identifying time constraints and mechanisms of crust-mantle coupling in Central European continental lithosphere

Expeditionen

Die Mitarbeiter des Lehrstuhls Endogene Geodynamik sind regelmäßig an der Organistaion und Leitung von Expeditionen mit deutschen und internationalen Forschungsschiffen beteiligt.

Authored Books

• Beier, Christoph, Karsten Haase, and Wafa Abouchami. Geochemical and geochronological constraints on the evolution of the Azores Plateau. Geological Society of America, 2015.
• Devey, Colin, et al. The Relationships Between Volcanism, Tectonism, and Hydrothermal Activity on the Southern Equatorial Mid-Atlantic Ridge. wiley, 2013.
• Haase, Karsten. Geochemistry of the Oceanic Crust. John Wiley and Sons, 2011.

Journal Articles

• Beier, Christoph, et al. "Extreme intensity of fluid-rock interaction during extensive intraplate volcanism." Geochimica Et Cosmochimica Acta 257 (2019): 26-48.
• Wölki, Dominic, et al. "Geochemical mapping of a paleo-subduction zone beneath the Troodos Ophiolite." Chemical Geology (2019).
• Westner, Katrin, et al. "In situ chalcophile and siderophile element behavior in sulfides from moroccan middle atlas spinel peridotite xenoliths during metasomatism and weathering." Minerals 9.5 (2019).
• Voudouris, P., et al. "Porphyry and epithermal deposits in Greece: An overview, new discoveries, and mineralogical constraints on their genesis." Ore Geology Reviews 107 (2019): 654-691.
• Martin, Andrew J., et al. "Trace element systematics and ore-forming processes in mafic VMS deposits: Evidence from the Troodos ophiolite, Cyprus." Ore Geology Reviews 106 (2019): 205-225.
• Haase, Karsten, Christoph Beier, and Fabian Kemner. "A comparison of the magmatic evolution of pacific intraplate volcanoes: Constraints on melting in mantle plumes." Frontiers in Earth Science 6 (2019).
• Günther, Thomas, et al. "Reply to discussion by RN Scoon and AA Mitchell on 'Oxygen isotope and trace element compositions of platiniferous dunite pipes of the Bushveld Complex, South Africa - Signals from a recycled mantle component?'." Lithos 324 (2019): 899-901.
• Schaarschmidt, Anna, et al. "Upper crustal fluids in a large fault system: microstructural, trace element and oxygen isotope study on multi-phase vein quartz at the Bavarian Pfahl, SE Germany." International Journal of Earth Sciences (2018).
• Yan, Lili Li, et al. "Zircon trace element constrains on the link between volcanism and plutonism in SE-China." Lithos 320-321 (2018): 28-34.
• Shirley, Bryan, et al. "Wear, tear and systematic repair: testing models of growth dynamics in conodonts with high-resolution imaging." Proceedings of the Royal Society B-Biological Sciences 285.1886 (2018).
• Romer, René, et al. "Correlated Changes Between Volcanic Structures and Magma Composition in the Faial Volcanic System, Azores." Frontiers in Earth Science 6 (2018).
• Günther, Thomas, et al. "Oxygen isotope and trace element compositions of platiniferous dunite pipes of the Bushveld Complex, South Africa - Signals from a recycled mantle component?" Lithos 310 (2018): 332-341.
• Günther, Thomas, et al. "Mantle sources and magma evolution of the Rooiberg lavas, Bushveld Large Igneous Province, South Africa." Contributions To Mineralogy and Petrology 173.6 (2018).
• Keith, Manuel, et al. "Constraints on the source of Cu in a submarine magmatic-hydrothermal system, Brothers volcano, Kermadec island arc." Contributions To Mineralogy and Petrology 173.5 (2018).
• Günther, Thomas, et al. "Oxygen isotope and trace element compositions of platiniferous dunite pipes of the Bushveld Complex, South Africa – Signals from a recycled mantle component?" Lithos 310-311 (2018): 332-341.
• Wölki, Dominic, et al. "Evidence for melting of subducting carbonate-rich sediments in the western Aegean Arc." Chemical Geology (2018).
• Günther, Thomas, et al. "Mantle sources and magma evolution of the Rooiberg lavas, Bushveld Large Igneous Province, South Africa." Contributions To Mineralogy and Petrology 173.6 (2018).
• Vulpius, Sara, and Wolfgang Kießling. "New constraints on the last aragonite-calcite sea transition from early Jurassic ooids." Facies 64.1 (2018).
• Yan, Lili, et al. "Geochemical constraints on the link between volcanism and plutonism at the Yunshan caldera complex, SE China." Contributions To Mineralogy and Petrology 173.1 (2018).
• Wölki, Dominic, et al. "Petrogenesis of boninitic lavas from the Troodos Ophiolite, and comparison with Izu–Bonin–Mariana fore-arc crust." Earth and Planetary Science Letters (2018).
• Beier, Christoph, et al. "Tectonic control on the genesis of magmas in the New Hebrides arc (Vanuatu)." Lithos (2018): 290-307.
• Weinzierl, Christoph, et al. "Cretaceous seawater and hydrothermal fluid compositions recorded in abiogenic carbonates from the Troodos Ophiolite, Cyprus." Chemical Geology (2018).
• Béguelin, Paul, et al. "Rift–plume interaction reveals multiple generations of recycled oceanic crust in Azores lavas." Geochimica Et Cosmochimica Acta 218 (2017): 132-152.
• van der Zwan, Froukje, et al. "Lower crustal hydrothermal circulation at slow-spreading ridges: evidence from chlorine in Arctic and South Atlantic basalt glasses and melt inclusions." Contributions To Mineralogy and Petrology 172 (2017).
• Günther, Thomas, et al. "In-situ trace element and Fe-isotope studies on magnetite of the volcanic-hosted Zhibo and Chagangnuoer iron ore deposits in the Western Tianshan, NW China." Chemical Geology 453 (2017): 111-127.
• Schmidt, Katja, et al. "Boiling vapour-type fluids from the Nifonea vent field (New Hebrides Back-Arc, Vanuatu, SW Pacific): Geochemistry of an early-stage, post-eruptive hydrothermal system." Geochimica Et Cosmochimica Acta 207 (2017): 185-209.
• Schmidt, Katja, et al. "Boiling vapour-type fluids from the Nifonea vent field (New Hebrides Back-Arc, Vanuatu, SW Pacific): Geochemistry of an early-stage, post-eruptive hydrothermal system." Geochimica Et Cosmochimica Acta 207 (2017): 185-209.
• Beier, Christoph, et al. "Primitive andesites from the Taupo Volcanic Zone formed by magma mixing." Contributions To Mineralogy and Petrology 172.5 (2017).
• Lima, Selma, et al. "Magmatic evolution and source variations at the Nifonea Ridge (New Hebrides Island Arc)." Journal of Petrology 58.3 (2017): 473-494.
• Reagan, Mark, et al. "210Pb-226 Ra disequilibria in young gas-laden magmas." Scientific Reports 7 (2017).
• Keith, Manuel, et al. "Systematic variations in magmatic sulphide chemistry from mid-ocean ridges, back-arc basins and island arcs." Chemical Geology 451 (2017): 67-77.
• Beier, Christoph, et al. "Trace element and isotope geochemistry of the Northern and Central Tongan Islands with an emphasis on the genesis of High Nb/Ta signatures at the Northern Volcanoes of Tafahi and Niuatoputapu." Journal of Petrology 58.6 (2017): 1073-1106.
• Sun, Yadong, et al. "Chemical and oxygen isotope composition of gem-quality apatites: Implications for oxygen isotope reference materials for secondary ion mass spectrometry (SIMS)." Chemical Geology 440 (2016): 164-178.
• Regelous, Marcel, Christoph Weinzierl, and Karsten Haase. "Controls on melting at spreading ridges from correlated abyssal peridotite - mid-ocean ridge basalt compositions." Earth and Planetary Science Letters 449 (2016): 1-11.
• Genske, Felix S., et al. "Comparing the nature of the western and eastern Azores mantle." Geochimica Et Cosmochimica Acta 172 (2016): 76-92.
• Haase, Karsten, et al. "Compositional variation and 226Ra-230Th model ages of axial lavas from the southern Mid-Atlantic Ridge, 8°48′S." Geochemistry Geophysics Geosystems 17.1 (2016): 199-218.
• Keith, Manuel, et al. "Trace element systematics of pyrite from submarine hydrothermal vents." Ore Geology Reviews 72 (2016): 728-745.
• Brandl, Philipp A., et al. "The timescales of magma evolution at mid-ocean ridges." Lithos (2016): 49-68.
• Anderson, Melissa, et al. "Tectonic focusing of voluminous basaltic eruptions in magma-deficient backarc rifts." Earth and Planetary Science Letters 440 (2016): 43-55.
• Keith, Manuel, et al. "Systematic variations of trace element and sulfur isotope compositions in pyrite with stratigraphic depth in the Skouriotissa volcanic-hosted massive sulfide deposit, Troodos ophiolite, Cyprus." Chemical Geology 423 (2016): 7-18.
• Haase, Karsten, et al. "Constraints on the magmatic evolution of the oceanic crust from plagiogranite intrusions in the Oman ophiolite." Contributions To Mineralogy and Petrology 171.5 (2016).
• Haase, Karsten, et al. "Spatial variability of source composition and petrogenesis in rift and rift flank alkaline lavas from the Eger Rift, Central Europe." Chemical Geology (2016).
• Zhang, Xi, et al. "Metallogenesis of the Zhibo and Chagangnuoer volcanic iron oxide deposits in the Awulale Iron Metallogenic Belt, Western Tianshan orogen, China." Journal of Asian Earth Sciences 113.1 (2015): 151-172.
• Beier, Christoph, et al. "Origin of Silicic Magmas at Spreading Centres-an Example from the South East Rift, Manus Basin." Journal of Petrology 56.2 (2015): 255-271.
• Brandl, Philipp, et al. "Magmatic evidence for carbonate metasomatism in the lithospheric mantle underneath the Ohře (Eger) Rift." Journal of Petrology 56.9 (2015): 1743-1774.
• Haase, Karsten, et al. "Melts of sediments in the mantle wedge of the Oman ophiolite." Geology 43.4 (2015): 275-278.
• Turner, Simon P., et al. "Mid-ocean ridge basalt generation along the slow-spreading, South Mid-Atlantic Ridge (5-11°S): Inferences from ²³⁸U- ²³⁰Th- ²²⁶Ra disequilibria." Geochimica Et Cosmochimica Acta 169 (2015): 152-166.
• Kemner, Fabian, et al. "Formation of andesite melts and Ca-rich plagioclase in the submarine Monowai volcanic system, Kermadec arc." Geochemistry Geophysics Geosystems 16.12 (2015): 4130-4152.
• Mcgee, Lucy E., et al. "Mantle heterogeneity controls on small-volume basaltic volcanism." Geology 43.6 (2015): 551-554.
• Keith, Manuel, et al. "Effects of temperature, sulfur, and oxygen fugacity on the composition of sphalerite from submarine hydrothermal vents." Geology 42 (2014): 699-702.
• Regelous, Marcel, et al. "Formation of the Troodos Ophiolite at a triple junction: Evidence from trace elements in volcanic glass." Chemical Geology 386 (2014): 66-79.
• Timm, Christian, et al. "Subduction of the oceanic Hikurangi Plateau and its impact on the Kermadec arc." Nature Communications 5 (2014).
• Freund, Sarah, et al. "Constraints on the formation of geochemically variable plagiogranite intrusions in the Troodos Ophiolite, Cyprus." Contributions To Mineralogy and Petrology 167.2 (2014): 1-22.
• Elkins, Lynne, et al. "Melt generation beneath Arctic Ridges: Implications from U decay series disequilibria in the Mohns, Knipovich, and Gakkel Ridges." Geochimica Et Cosmochimica Acta 127 (2014): 140-170.
• Nichols, Alexander R.L., et al. "Geochemistry of volcanic glasses from the Louisville Seamount Trail (IODP Expedition 330): Implications for eruption environments and mantle melting." Geochemistry Geophysics Geosystems 15.5 (2014): 1718-1738.
• Genske, Felix, et al. "Lithium and boron isotope systematics in lavas from the Azores islands reveal crustal assimilation." Chemical Geology 373 (2014): 27-36.
• Vanderkluysen, Loyc, et al. "Louisville Seamount Chain: Petrogenetic processes and geochemical evolution of the mantle source." Geochemistry Geophysics Geosystems 15.6 (2014): 2380-2400.
• Haase, Karsten, et al. "The magmatic evolution of young island arc crust observed in gabbroic to tonalitic xenoliths from Raoul Island, Kermadec Island Arc." Lithos 210-211 (2014): 199-208.
• Prytulak, Julie, et al. "Melting versus contamination effects on 238U-230Th-226Ra and 235U-231Pa disequilibria in lavas from São Miguel, Azores." Chemical Geology 381 (2014): 94-109.
• Lehnert, Oliver, Svend Stouge, and Philipp Brandl. "Conodont biostratigraphy in the Early to Middle Ordovician strata of the Oslobreen Group in Ny Friesland, Svalbard." Zeitschrift der Deutschen Gesellschaft für Geowissenschaften 164.1 (2013): 149-172.
• O'Connor, John, et al. "Constraints on past plate and mantle motion from new ages for the Hawaiian-Emperor Seamount Chain." Geochemistry Geophysics Geosystems 14.10 (2013): 4564-4584.
• Brandl, Philipp, et al. "High mantle temperatures following rifting caused by continental insulation." Nature Geoscience 6.5 (2013): 391-394.
• Freund, Sarah, et al. "Oxygen isotope evidence for the formation of andesitic-dacitic magmas from the fast-spreading Pacific-Antarctic Rise by assimilation-fractional crystallisation." Chemical Geology 347 (2013): 271-283.
• Shallaly, N. A., et al. "Petrology and geochemistry of the Tertiary Suez rift volcanism, Sinai, Egypt." Journal of Volcanology and Geothermal Research 267 (2013): 119-137.
• Genske, Felix, et al. "Oxygen isotopes in the Azores islands: Crustal assimilation recorded in olivine." Geology 41.4 (2013): 491-494.
• Koppers, Anthony A P, et al. "Iodp expedition 330: Drilling the louisville seamount trail in the SW Pacific." Scientific Drilling 15 (2013): 11-22.
• Mayer, Bernhard, et al. "Petrogenesis of tertiary hornblende-bearing lavas in the rhön, germany." Journal of Petrology 54.10 (2013): 2095-2123.
• Beier, Christoph, et al. "Geochemical evidence for melting of carbonated peridotite on Santa Maria Island, Azores." Contributions To Mineralogy and Petrology 165.5 (2013): 823-841.
• Charreteur, Gilles, Christian Tegner, and Karsten Haase. "Multiple ways of producing intermediate and silicic rocks within Thingmúli and other Icelandic volcanoes." Contributions To Mineralogy and Petrology 166.2 (2013): 471-490.
• Mitchell, Neil C., et al. "Cone morphologies associated with shallow marine eruptions: East Pico Island, Azores." Bulletin of Volcanology 74.10 (2012): 2289-2301.
• Haase, Karsten, et al. "Magmatic evolution of the South Shetland Islands, Antarctica, and implications for continental crust formation." Contributions To Mineralogy and Petrology 163.6 (2012): 1103-1119.
• Koppers, Anthony A. P., et al. "Limited latitudinal mantle plume motion for the Louisville hotspot." Nature Geoscience 5.12 (2012): 911-917.
• Beier, Christoph, Karsten Haase, and Simon P. Turner. "Conditions of melting beneath the Azores." Lithos (2012): 1-11.
• Brandl, Philipp, et al. "Volcanism on the flanks of the East Pacific Rise: Quantitative constraints on mantle heterogeneity and melting processes." Chemical Geology (2012): 41-56.
• Genske, Felix, et al. "The petrology and geochemistry of lavas from the western azores islands of flores and corvo." Journal of Petrology 53.8 (2012): 1673-1708.
• Beier, Christoph, et al. "Erratum: Lithospheric control on geochemical composition along the Louisville Seamount Chain (Geochemistry, Geophysics, Geosystems (2012) 13 (Q0AM03) DOI: 10.1029/2011GC004012)." Geochemistry Geophysics Geosystems 13.1 (2012).
• Haase, Karsten, et al. "Magmatic evolution of a dying spreading axis: evidence for the interaction of tectonics and mantle heterogeneity from the fossil Phoenix Ridge, Drake Passage." Chemical Geology 280 (2011): 115-125.
• Beier, Christoph, et al. "Lithospheric control on geochemical composition along the Louisville Seamount Chain." Geochemistry Geophysics Geosystems 12.9 (2011).
• Hoernle, Kaj, et al. "On- and off-axis chemical heterogeneities along the South Atlantic Mid-Ocean-Ridge (5-11°S): Shallow or deep recycling of ocean crust and/or intraplate volcanism?" Earth and Planetary Science Letters 306 (2011): 86-97.
• Turner, Simon, et al. "U-Th-Ra disequilibria and the extent of off-axis volcanism across the East Pacific Rise at 9°30′N, 10°30′N, and 11°20′N." Geochemistry Geophysics Geosystems 12.7 (2011).
• Mcgee, Lucy E., et al. "Dynamics of melting beneath a small-scale basaltic system: A U-Th-Ra study from Rangitoto volcano, Auckland volcanic field, New Zealand." Contributions To Mineralogy and Petrology 162.3 (2011): 547-563.
• Haase, Karsten, et al. "Oxygen isotope evidence for the formation of silicic Kermadec island arc and Havre-Lau backarc magmas by fractional crystallization." Earth and Planetary Science Letters 309 (2011): 348-355.
• Cramer, Bradley D., et al. "A revised 87Sr/86Sr curve for the Silurian: Implications for global ocean chemistry and the silurian timescale." Journal of Geology 119 (2011): 335-349.
• Long, Lingli, et al. "Geochemical and geochronological studies of granitoid rocks from the Western Tianshan Orogen: Implications for continental growth in the southwestern Central Asian Orogenic Belt." Lithos 126 (2011): 321-340.
• Handley, Heather K., et al. "Insights into the Galápagos plume from uranium-series isotopes of recently erupted basalts." Geochemistry Geophysics Geosystems 12.9 (2011).
• Haase, Karsten, et al. "Insights into mantle composition and mantle melting beneath mid-ocean ridges from postspreading volcanism on the fossil Galapagos Rise." Geochemistry Geophysics Geosystems 12.5 (2011).
• Krienitz, Marc-Sebastian, and Karsten Haase. "The evolution of the Arabian lower crust and lithospheric mantle - geochemical constraints from southern Syrian mafic and ultramafic xenoliths." Chemical Geology 280 (2011): 271-283.
• Buggisch, Werner, Georg Kleinschmidt, and Stefan Krumm. "Sedimentology, geochemistry and tectonic setting of the Neoproterozoic Malmesbury Group (Tygerberg Terrane) and its relation to neighbouring terranes, Saldania Fold Belt, South Africa." Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen 257.1 (2010): 85-114.
• Beier, Christoph, et al. "A preliminary assessment of the symmetry of source composition and melting dynamics across the Azores plume." Geochemistry Geophysics Geosystems 11 (2010).
• Beier, Christoph, et al. "Influence of subducted components on back-arc melting dynamics in the Manus Basin." Geochemistry Geophysics Geosystems 11 (2010): 10.1029/2010gc003037.
• Zhang, Guo-Liang, et al. "Generation and evolution of magma beneath the East Pacific Rise: Constraints from U-series disequilibrium and plagioclase-hosted melt inclusions." Journal of Volcanology and Geothermal Research 193 (2010): 1-17.
• Haase, Karsten, et al. "Diking, young volcanism and diffuse hydrothermal activity on the southern Mid-Atlantic Ridge: the Lilliput field at 9°33’S." Marine Geology 266 (2009): 52-64.
• Krienitz, Marc-Sebastian, et al. "Tectonic events, continental intraplate volcanism and mantle plume activity in northern Arabia: constraints from geochemistry and Ar-Ar dating of Syrian lavas." Geochemistry Geophysics Geosystems (2009).
• Haase, Karsten, et al. "A geochemical study of off-axis seamount lavas at the Valu Fa Ridge: constraints on magma genesis and slab contributions in the southern Tonga subduction zone." Lithos 2009.112 (2009): 137-148.
• Mitchell, Neil C., et al. "Lava penetrating water: Submarine lava flows around the coasts of Pico Island, Azores." Geochemistry Geophysics Geosystems 9 (2008): Q03024.
• Beier, Christoph, Tracy Rushmer, and Simon P. Turner. "Heat sources for mantle plumes." Geochemistry Geophysics Geosystems 9 (2008): Q06002(6).
• Caulfield, John T., et al. "Source depletion and extent of melting in the Tongan sub-arc mantle." Earth and Planetary Science Letters 273 (2008): 279-288.
• Almeev, Renat, et al. "Depths of partial crystallization and H2O contents of MORB inferred from glass compositions: phase equilibria simulations of basalts at the MAR near Ascension Island (7°-11°S)." Journal of Petrology 49 (2008): 25-45.
• Stroncik, Nicole, Samuel Niedermann, and Karsten Haase. "Plume-ridge interaction revisited: Evidence for melt mixing from He, Ne and Ar isotope and abundance systematics." Earth and Planetary Science Letters 268 (2008): 424-432.
• Haase, Karsten, and Axel Renno. "Variation of magma generation and mantle sources during continental rifting observed in Cenozoic lavas from the Eger Rift, Central Europe." Chemical Geology 257 (2008): 195-205.
• Lam, Oanh P., et al. "Charge-separation in uranium diazomethane complexes leading to C-H activation and chemical transformation." Journal of the American Chemical Society 130.9 (2008): 2806-2816.
• Beier, Christoph, et al. "Magma genesis by rifting of oceanic lithosphere above anomalous mantle: Terceira Rift, Azores." Geochemistry Geophysics Geosystems (2008): doi: 10.1029/2008GC002112.
• Beier, Christoph, et al. "Plumes and their role in whole mantle convection and recycling." GSA Today 18.6 (2008).
• Beier, Christoph, Andreas Stracke, and Karsten Haase. "The peculiar geochemical signatures of São Miguel (Azores) lavas: metasomatised or recycled mantle sources?" Earth and Planetary Science Letters 259 (2007): 186-199.
• Stroncik, Nicole, Samuel Niedermann, and Karsten Haase. "Neon and helium isotopes as tracers of mantle reservoirs and mantle dynamics." Earth and Planetary Science Letters 258 (2007): 334-344.
• Krienitz, Marc, et al. "Magma genesis and mantle dynamics at the Harrat Ash Shamah Volcanic Field (southern Syria)." Journal of Petrology 48 (2007): 1513-1542.
• Beier, Christoph. "Sapropel burn-down and ichnological response to late Quaternary sapropel formation in two ∼ 400 ky records from the eastern Mediterranean Sea." Palaeogeography, Palaeoclimatology, Palaeoecology 239 (2006): 406-425.
• Haase, Karsten, et al. "Formation of island arc dacite magmas by extreme crystal fractionation: An example from Brothers Seamount, Kermadec Island Arc (SW Pacific)." Journal of Volcanology and Geothermal Research 152 (2006): 316-330.
• Beier, Christoph, Thor Hansteen, and Karsten Haase. "Magma evolution of the Sete Cidades volcano, São Miguel, Azores." Journal of Petrology 47 (2006): 1375-1411.
• Krienitz, Marc-Sebastian, et al. "Magma genesis and crustal contamination of continental intraplate lavas in NW Syria." Contributions To Mineralogy and Petrology 151 (2006): 698-716.
• Buggisch, Werner, and Stefan Krumm. "Paleozoic cold seep carbonates from Europe and North Africa - an integrated isotopic and geochemical approach." Facies 51 (2005): 566-583.
• Fürsich, Franz, et al. "Palaeoclimate reconstructions of the Middle Jurassic of Kachchh (western India): An integrated approach based on palaeoecological, oxygen isotopic, and clay mineralogical data." Palaeogeography, Palaeoclimatology, Palaeoecology 217 (2005): 289-309.
• Haase, Karsten, et al. "Nb-depleted andesites from the Pacific-Antarctic Rise as analogues for early continental crust." Geology 33 (2005): 921-924.
• Fretzdorff, Susanne, et al. "Magmatism in the Bransfield Basin: Rifting of the South Shetland Arc?" Journal of Geophysical Research D: Atmospheres 109 (2004): ???.
• Haase, Karsten, and Christoph Beier. "Tectonic control of ocean island basalt sources on São Miguel island, Azores?" Geophysical Research Letters 30 (2003).
• Fretzdorff, Susanne, et al. "230Th-238U disequilibrium in East Scotia back-arc basalts: implications for slab contributions." Geology 31 (2003): , 693-696.
• Haase, Karsten, Colin Devey, and Martin Wieneke. "Petrology and geochemistry of basalts from the northern Kolbeinsey Ridge, North Atlantic: Implications for magmatic processes and mantle heterogeneity beneath a slow-spreading segment." Contributions To Mineralogy and Petrology 144 (2003): 428-448.
• Haase, Karsten, et al. "Mantle dynamics, element re-cycling, and magma genesis beneath the Kermadec Arc–Havre Trough." Geochemistry Geophysics Geosystems 3 (2002).
• Fretzdorff, Susanne, and Karsten Haase. "Geochemistry and petrology of lavas from the submarine flanks of Réunion Island (western Indian Ocean): Implications for magma genesis and the mantle source." Mineralogy and Petrology 75 (2002): 153-184.
• Haase, Karsten. "Geochemical constraints on magma sources and mixing processes in Easter Microplate MORB (SE Pacific): A case study of plume-ridge interaction." Chemical Geology 182 (2002): 335-355.
• Buggisch, Werner, et al. "The sedimentary and structural evolution of the Argentine Precordillera - the key of the history of an exotic terrane." Zeitschrift für Angewandte Geologie SH1 (2000): 355-362.
• Mertz, Dieter, and Karsten Haase. "The radiogenic isotope composition of the high-latitude North Atlantic mantle." Geology 25 (1997): 411-414.
• Haase, Karsten. "The relationship between the age of the lithosphere and the composition of oceanic magmas: Constraints on partial melting, mantle sources and the thermal structure of the plates." Earth and Planetary Science Letters 144 (1996): 75-92.
• Buggisch, Werner, et al. "The age of the Early Palaeozoic deformation and metamorphism in the Argentine Precordillera - evidence from K/Ar-data." Zentralblatt für Geologie und Paläontologie, Teil I, Geologie 1993 (1994): 275-286.
• Buggisch, Werner, et al. "Metamorphic and Structural Evolution of the Southern Shackleton Range during the Ross Orogeny." Polarforschung 63.1 (1994): 33-56.
• Buggisch, Werner, Stefan Krumm, and Sibylle Noe. "Geochemische und fazielle Muster in peritidalen Kalk/Dolomit-Zyklen der oberen Bellerophon-Schichten (Oberperm) in den Südalpen." Abhandlungen der Geologischen Bundesanstalt Wien 50 (1994): 69-87.
• Haase, Karsten, and Colin Devey. "The petrology and geochemistry of Vesteris Seamount, Greenland Basin: An intraplate alkaline volcano of non-plume origin." Journal of Petrology 35 (1994): 295-328.
• Krumm, Stefan, and Werner Buggisch. "Sample preparation effects on illite "crystallinity" measurement; gradation and particle orientation." Journal of Metamorphic Geology 9 (1991): 671-677.
• Buggisch, Werner, et al. "Strati­graphy, metamorphism and nappe‑tectonics in the Shackleton Range (Antarctica)." Geodätische und geophysikalische Veröffentlichungen. Reihe I 15 (1990): 64-86.

Book Contributions

• Bausch, Walter, Stefan Krumm, and Axel Munnecke. "Phasenanalyse und Spurenelementgehalte von Riffsanden der Seychellen." Erlanger Beiträge zur Petrographischen Mineralogie Ed. Walter Michael Bausch, Erlangen, 2012. 29-36.

Conference Contributions

• Günther, Thomas, et al. "Evolution and genesis of calc-alkaline magmas at the Paphsanias Volcanic Field, Aegean Arc." Presented at GeoBonn2018, Bonn 2018.
• Eberts, Andreas, et al. "Morphotectonic analysis of basement and cover units in eastern Bavaria, SE Germany - insights into the deeper crustal architecture?" Presented at GeoBonn 2018, University of Bonn, Bonn 2018.
• Schönhofen, Milena, et al. "Dynamics of melting in the Valu Fa-Lau Basin backarc." Presented at GeoBremen 2017, Uni­ver­si­tät Bre­men MARUM, Leo­be­ner Stra­ße, 28359 Bre­men, Ger­ma­ny 2017.
• Wölki, Dominic, et al. "Geodynamic constraints from glass geochemistry in the Troodos ophiolite." Presented at GeoBremen2017, Bremen 2017.
• Romer, René, et al. "Intraplate magmatism and extensional tectonics: an example from Faial Island, Azores." Presented at Goldschmidt Conference 2017, Paris, France 2017.
• Wölki, Dominic, et al. "The geochemical stratigraphy of lavas from the Troodos Ophiolite." Presented at Goldschmidt 2017 Paris, Palais des Congrès de Paris 2 Place de la Porte Maillot, 75017 Paris, France 2017.
• Schönhofen, Milena, et al. "The origin of evolved volcanic rocks in Methana, Greece." Presented at Goldschmidt 2017, Palais des Congrès de Paris 2 Place de la Porte Maillot, 75017 Paris, France 2017.