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Institution
Gottfried Wilhelm Leibniz Universität Hannover
Institut für Mineralogie
Address
Callinstraße 3
30167 Hannover
Deutschland
GERiT
This institution in GERiT
30167 Hannover
Projects
Priority Programmes
Current projects
Deciphering the metal stable isotope record of Sn-W ore deposits: a complementary approach based on experiments and case studies
(Applicant
Weyer, Ph.D., Stefan
)
HFSE enrichment in carbonatites and associated peridotite-melilitolite-foidolite complexes: the role of fractionation versus metasomatism in ore-forming processes
(Applicants
Marks, Michael
;
Walter, Benjamin
)
Orogenic Sb-Au deposits as archives of fractionation and hydrothermal activity in space and time
(Applicants
Lazarov, Marina
;
Majzlan, Ph.D., Juraj
)
The role of fenitising fluids in the formation of Nb, Zr and REE ore deposits
(Applicants
Horn, Ingo
;
Schmidt, Christian
;
Veksler, Ph.D., Ilya
)
Transport and enrichment of tungsten and tin in melts and fluids at magmatic-hydrothermal stages: experimental approach and application to the Argemela district (Portugal)
(Applicant
Holtz, Francois
)
Transport and reactions of light elements (Li, B) in pegmatitic systems under thermal disequilibrium - implications for magmatic/hydrothermal ore deposits
(Applicants
Behrens, Harald
;
Weyer, Ph.D., Stefan
)
Transport processes of Sn and W within the crust: From a peraluminous granitic melt to a mineralising fluid
(Applicant
Michaud, Ph.D., Julie
)
Completed projects
A combined petrological, geochemical and geochronological study of the magmatic rocks surrounding the Logatchev hydrothermal field.
(Applicant
Koepke, Jürgen
)
Charakterisierung und Quantifizierung von Strukturgradienten in Sodalithen
(Applicant
Rüscher, Claus Henning
)
Chemical zoning in pristine objects of chondrites as archive of the thermal and redox history in the early solar nebula and planetesimals
(Applicants
Dohmen, Ralf
;
Schertl, Hans-Peter
)
Experimental investigation on the phase equilibra of a tholeiitic ferrobasalt: the role of water activity and oxigen fugacity
(Applicant
Koepke, Jürgen
)
Experimentelle Studien zur Kationendiffusion und zur Auflösungskinetik von Kristallen in Si-reichen Silikatschmelzen
(Applicant
Behrens, Harald
)
Experimentelle Untersuchung zur Entwicklung und Differenzierung von SiO2-reichen Schmelzen in der ozeanischen Kruste: Die Genese der Plagiogranite
(Applicant
Koepke, Jürgen
)
Generierung und Charakterisierung von Strukturgradienten in Sodalithen und ihr Einfluß auf die lokale Teilchenbewegung und das chemische Reaktionsverhalten
(Applicant
Buhl, Josef-Christian
)
Genesis Ascent and Crystallization of A-type granites
(Applicant
Johannes, Wilhelm
)
Impact of structure and relaxation on fatigue and micromechanical properties of oxide glasses - the role of volatiles and bonding state
(Applicants
Behrens, Harald
;
Deubener, Joachim
;
Müller, Ralf
)
Korrelationen zwischen Spurenelementdiffusion und Viskositäten von Silikatschmelzen - experimentelle Untersuchungen über alkalireiche Schmelzen
(Applicant
Behrens, Harald
)
Low pressure differentiation of basalts at the Mid-Atlantic Ridge near Ascension - Constraints from experiments at controlled volatile and oxygen fugacities
(Applicant
Holtz, Francois
)
Magma differentiation processes and pre-eruptive conditions of MORBs (7-11°S) near Ascension Island - Constraints from experiments and phase equilibria modeling
(Applicant
Holtz, Francois
)
Nucleosynthetic sources and the age of the solar system: U isotope variations in meteorite components
(Applicant
Weyer, Ph.D., Stefan
)
Rare-metal enrichment in carbonatite-bearing magmatic systems: Part A. Understanding magmatic evolution and enrichment processes in time by high-precision dating and inclusion studies
(Applicants
Botcharnikov, Ph.D., Roman
;
Holtz, Francois
;
Klemd, Reiner
;
Schulz, Bernhard
;
Tichomirowa, Marion
)
Rare-metal enrichment in carbonatite-bearing magmatic systems: Part B. Understanding the role of fractional crystallization and liquid immiscibility by experimental simulations of silicate-carbonatite systems
(Applicants
Botcharnikov, Ph.D., Roman
;
Holtz, Francois
;
Tichomirowa, Marion
)
Stromatolites as archives for metal mobilization and early life metabolisms? Uranium and Mo isotope studies of modern and Archean stromatolites and carbonates.
(Applicant
Weyer, Ph.D., Stefan
)
Strukturelle und kinetische Aspekte des Einbaus von Wasser in silicatische Schmelzen und Gläser
(Applicant
Behrens, Harald
)
The Origin of Metal and Chondrules in CH and CB Chondrites - Evidence from Fe, Ni and Mg isotopes
(Applicants
Weyer, Ph.D., Stefan
;
Zipfel, Jutta
)
Uranium and V isotope variations in Archean sediments: Evidence for metal mobilization and enzymatic reduction in an overall anoxic world?
(Applicants
Schuth, Stephan
;
Weyer, Ph.D., Stefan
)
Infrastructure Priority Programmes
Current projects
Determination of ferric-ferrous ratio in natural glasses by microprobe: application of the flank method for determination of the redox state of basalts from mid-oceanic ridges, oceanic islands, oceanic plateaus and island arcs
(Applicant
Almeev, Ph.D., Renat
)
Expansion and connection of Early Jurassic oceanic anoxia: A complementary approach based on coupled Mo-U isotopes of black shales and U isotope signatures of carbonates
(Applicants
Krencker, Francois-Nicolas
;
Weyer, Ph.D., Stefan
)
Izu-Bonin-Mariana boninites - natural laboratory to study mantle melting and the evolution of magma plumbing systems in early stages of subduction
(Applicants
Almeev, Ph.D., Renat
;
Botcharnikov, Ph.D., Roman
)
Mineral surfaces as hotspots for microbes and element cycling in the Biodiversity Exploratories
(Applicants
Kaiser, Klaus
;
Kandeler, Ellen
;
Mikutta, Christian
;
Schrumpf, Marion
)
Spectroscopic mineral - chemical analysis of drill cores: Development of fast 2D LIBS, EDXRF and hyperspectral scanning with application to outstanding problems of the Bushveld Complex layered intrusion
(Applicants
Holtz, Francois
;
Junge, Ph.D., Malte
;
Meima, Jeannette
;
Rammlmair, Ph.D., Dieter
)
The mafic magma plumbing system in the Snake River Plain Province (Yellowstone hotspot, USA): Contribution from the analysis of crystal cargoes and melt inclusions in basaltic lavas from the Kimama drilling core.
(Applicant
Holtz, Francois
)
Wehrlites in the ICDP OmanDP drill cores: a key to understand the nature of the hydrous magmatism in subduction zone initiation settings
(Applicants
Almeev, Ph.D., Renat
;
Koepke, Jürgen
)
Completed projects
Additional pre-survey for the project "Establishing a reference profile for fast-spreading oceanic crust: Petrology and geochemistry of the Wadi Gideah cross section in the Oman ophiolite"
(Applicant
Koepke, Jürgen
)
A multiple isotope and trace element approach to constrain the oxygenation and metal cycling of 3.5 to 3.2 Ga paleo-oceans
(Applicant
Brey, Ph.D., Gerhard Peter
)
A profile of multiple sulfur, oxygen, strontium isotopes and related chalcophile elements through lower slow-spreading crust (IODP Expedition 360, Atlantis Bank, Southwest Indian Ridge)
(Applicants
Koepke, Jürgen
;
Strauß, Harald
)
Assimilation, contamination and felsic melt generation at the top of the axial melt lens at fast-spreading oceanic crust: Combined geochemical and experimental investigations at the dike/gabbro transition from IODP Site 1256 (East Pacific Rise)
(Applicant
Koepke, Jürgen
)
Carbonation of porous rocks by interaction with magmatic and hydrothermal fluids - a case study on Unzen volcano, Japan
(Applicants
Behrens, Harald
;
Dultz, Stefan
)
Chalcophile elements in Shatsky Rise basalts as potential indicators of the mantle plume origin
(Applicant
Almeev, Ph.D., Renat
)
Determination of the depth of rhyolitic magma chambers in the Snake River Plain province, USA,: an experimental calibration
(Applicant
Holtz, Francois
)
Differentiation of basalts from the Kerguelen Plateau ("large igneous province")
(Applicant
Holtz, Francois
)
Distribution of H20, CO2, S and Cl between silicate melts, gas phase and minerals on the example of the Unzen volcano: application for degassing processes
(Applicant
Holtz, Francois
)
Establishing a reference profile for fast-spreading oceanic crust: Petrology and geochemistry of the "Wadi Gideah" cross section in the Oman ophiolite
(Applicants
Garbe-Schönberg, Carl-Dieter
;
Koepke, Jürgen
)
Evolution of magma storage conditions along the track of Yellowstone Hotspot: investigation of the volcanic rocks from Snake River Plain
(Applicant
Holtz, Francois
)
Experimental study on the production of rhyolites from basaltic sources in the bimodal Snake River Plain-Yellowstone province
(Applicant
Almeev, Ph.D., Renat
)
Experimental study on vesiculation and formation of groundmass microlites induced by decompression: Constraints on processes related to magma ascent at Unzen volcano
(Applicant
Holtz, Francois
)
Experimentelle Untersuchungen über die Wechselwirkungen zwischen C-H-O-S Fluiden und Magmen
(Applicant
Holtz, Francois
)
Forearc basalt and boninite lineage: origin and evolution of magmas in the course of subduction initiation, Izu-Bonin Mariana arc
(Applicant
Almeev, Ph.D., Renat
)
Long in-situ sections in the Wadi Gideah, Oman ophiolite: The key for understanding the mechanism of accretion, magmatic evolution and cooling of lower fast-spread oceanic crust
(Applicants
Garbe-Schönberg, Carl-Dieter
;
Koepke, Jürgen
)
Magma Differentiation processes and volatile contents in Shatsky Rise oceanic Plateau basalts: constraints from mineral, glass and melt inclusion compositions combined with experimental and thermodynamic modeling
(Applicant
Holtz, Francois
)
Magmatic volatiles and ore metals released from intraoceanic arc magmas: constraints from high pressure experiments and melt inclusions for Brothers volcano, Kermadec arc
(Applicant
Holtz, Francois
)
Mechanisms of alteration of basaltic and rhyolitic glasses considering solution chemistry and passivating properties of palagonite - a case study on ICDP drilling sites Hawaii and Snake River Plain
(Applicant
Behrens, Harald
)
Melting and storage conditions of rhyolites in the Snake River Plain Province , USA
(Applicant
Holtz, Francois
)
Melt/rock interaction and fractional crystallization in the lower crust at Hess Deep Rift, East Pacific Rise: A combined analytical and experimental study
(Applicant
Koepke, Jürgen
)
Molybdenum isotope signatures of mid-Cretaceous black shales: Implications on the spatial dimension of anoxic events?
(Applicant
Weyer, Ph.D., Stefan
)
Non-traditional stable isotope fractionation during magmatic differentiation: In situ Fe-Mg-isotope analyses of phenocrysts by femtosecond laser ablation MC-ICP-MS
(Applicants
Dohmen, Ralf
;
Weyer, Ph.D., Stefan
)
Partial melting of gabbros in high-temperature shear zones -melting experiments on gabbros of the ODP legs 176 and 153
(Applicant
Koepke, Jürgen
)
Petrogenesis of TTG veins in oceanic gabbro: constraints from partial melting experiments in the presence of NaCl-rich H2O-CO2 fluids
(Applicant
Almeev, Ph.D., Renat
)
Porosity and permeability in different alteration types of the oceanic crust as a control of element mobilization - a case study on ODP Leg 169, Middle Valley Juan de Fuca Ridge
(Applicants
Behrens, Harald
;
Dultz, Stefan
)
Präneogene tektonische Entwicklung Kretas
(Applicant
Stöckhert, Bernhard
)
Pre-eruptive conditions of cumulate-forming MORB magmas of the Southwest Indian Ridge: Experimental study on gabbros of the ODP Legs 118 and 176
(Applicant
Koepke, Jürgen
)
Pre-eruptive conditions of the Campanian Ignimbrite eruption: Experimental constraints from phase equilibria and volatile solubility studies and its implication for the Campi Flegrei drilling project
(Applicant
Behrens, Harald
)
Pre-eruptive conditions of the volcanic rocks from Snake River Plain, Yellowstone Hotspot-Constraints from experiments and phase equilibria modelling
(Applicant
Holtz, Francois
)
Pre-eruptive conditions prior to and after magma mixing at Unzen volcano: constraints from high pressure experimental investigations
(Applicant
Holtz, Francois
)
Pre-eruptive volatile contents and degassing potential of Kerguelen large igneous province (LIP) basalts: Experimental study on basalts of the ODP Leg 183, site 1140
(Applicant
Nowak, Marcus
)
Pre-survey: Magmatic evolution of the Tiger gabbroic complex (Northern Victoria Land, Antarctica): insights into the lower crust of a Cambrian immature Island Arc
(Applicant
Koepke, Jürgen
)
Storage conditions and degassing processes of low-K and high-Al tholeiitic island-arc magmas: Experimental constraints and natural observations for Mutnovsky volcano, Kamchatka
(Applicant
Holtz, Francois
)
Supply of soluble Fe to ocean surface waters - quantitative approaches from ICDP site Hawaii by determining interface driven Fe transfer from subsurface volcanic rocks
(Applicant
Behrens, Harald
)
The combined Lu-Hf and Sm-Nd mineral-whole rock, and zircon U-Pb, REE and Hf isotope study of ultra high pressure rocks from the CCSD program
(Applicant
Weyer, Ph.D., Stefan
)
The down-hole magmatic-metamorphic evolution in basalts and gabbros monitored by Fe-Ti oxides: A complete section of Superfast Spreading Crust at IODP Site 1256D
(Applicant
Holtz, Francois
)
The late-stage evolution of oceanic gabbros - Combined experimental and in-situ isotope study on gabbros of the ODP Legs 118/176 drilled at the Southwest Indian Ridge
(Applicant
Koepke, Jürgen
)
The past and present trace metal budget of the Black Sea - A comparison of the Holocene and Eemian marine ingression
(Applicants
Brumsack, Hans-Jürgen
;
Weyer, Ph.D., Stefan
)
Time scales for vertically moving axial magma chambers at fast-spreading ocean ridges and involved magmatic reactions: Insights from IODP Site 1256
(Applicant
Koepke, Jürgen
)
Understanding axial melt lens dynamics and lower crust accretion at fast-spreading mid-ocean ridges: new insights from drill cores obtained by the ICDP Oman Drilling Project
(Applicants
Garbe-Schönberg, Carl-Dieter
;
Koepke, Jürgen
)
Understanding felsic veins in gabbros drilled by IODP at Atlantis Bank (Southwest Indian Ridge): Formation, metamorphism, and their role as multifunctional pathways for fluid and mass transfer
(Applicant
Koepke, Jürgen
)
Understanding the crust-mantle transition from fast-spreading mid-ocean ridges: experiments and analytical studies using ICDP OmanDP drill core samples
(Applicants
Garbe-Schönberg, Carl-Dieter
;
Holtz, Francois
;
Koepke, Jürgen
)
Viscous flow of magmas from Unzen volcano, Japan - implications for magma mixing and ascent
(Applicant
Behrens, Harald
)
Research Grants
Current projects
Abundance and composition of inorganic X-ray amorphous materials in soils
(Applicants
Dohrmann, Reiner
;
Mikutta, Christian
)
Amphibole: a mineral to unravel magma storage and timescales of sub-volcanic processes and eruptions
(Applicant
Ridolfi, Filippo
)
Arsenic and Molybdenum in Marine Carbonates: Redistribution, Binding Forms and Isotope Systematics
(Applicants
Pichler, Thomas
;
Weyer, Ph.D., Stefan
)
Carbon recycling by arc magmatism: an assessment from experimentally homogenized melt inclusions in olivine
(Applicants
Botcharnikov, Ph.D., Roman
;
Holtz, Francois
)
Does modern seep aragonite record the molybdenum isotopic composition of seawater?
(Applicants
Lin, Ph.D., Zhiyong
;
Peckmann, Jörn
;
Weyer, Ph.D., Stefan
)
Oxidation-induced Weathering of Primary Iron-rich Silicates: Scale-dependent Rates and their Controls
(Applicant
Behrens, Ricarda
)
Completed projects
Aluminum interactions with iron oxides in the absence and presence of silicic acid
(Applicants
Mikutta, Robert
;
Mikutta, Christian
)
Antimony isotope fractionation and thermodynamics during oxidative weathering of stibnite ores
(Applicants
Lazarov, Marina
;
Majzlan, Ph.D., Juraj
)
Application of the electron microprobe to quantitative analysis of ferric-ferrous ratio in silicate glasses, new experimental calibration
(Applicant
Almeev, Ph.D., Renat
)
Bildung und Segregation von Teilschmelzen in metapelitischen Migmatiten
(Applicant
Johannes, Wilhelm
)
Carbon dioxide in ultrapotassic silicate melts: mechanisms and rates of magma degassing and their influence on the intensity and style of volcanic eruptions.
(Applicants
Schmidt, Burkhard
;
Webb, Sharon
)
Chlorine in amphibole: intracrystalline diffusion and partitioning between amphibole and silicate melt
(Applicant
Behrens, Harald
)
Crystallization and Degassing Processes during Strombolian Eruptions: A Numerical Approach
(Applicant
Hort, Matthias
)
Crystallization of columbite-tantalite in pegmatites: Experimental constraints and implication for natural systems
(Applicant
Holtz, Francois
)
Crystallization under the influence of flotation: new synthesis routes for self-supported zeolite membranes
(Applicant
Buhl, Josef-Christian
)
Darstellung und Charakterisierung der Eigenschaften von templatfreiem Cancrinit: Eine nanostrukturierte Wirtsmatrix mit eindimensionalem Kanalsystem
(Applicant
Fechtelkord, Michael
)
Das Redox Verhalten von Chrom im aquatischen Milieu - Eine Cr Isotopenstudie
(Applicant
Behrens, Harald
)
Die Suche nach Magmakammern unter Stratovulkanen der zentralen Anden (N. Chile) mit petrologischen, geochemischen und geophysikalischen Methoden.
(Applicants
Brasse, Heinrich
;
Holtz, Francois
;
Wörner, Gerhard
)
Differentiation of tholeiites - the role of primitive composition and small amounts of H2O
(Applicant
Holtz, Francois
)
Differentierungsprozesse in Magmenkammern - Konvektive vs. diffusive Kristallauflösung
(Applicant
Behrens, Harald
)
Diffusion, Speziation und Löslichkeit von Schwefel in Silicatschmelzen
(Applicants
Behrens, Harald
;
Deubener, Joachim
)
Diffusiver Transport und innere Verwitterungsreaktionen in mikroporösen Feldspäten
(Applicant
Dultz, Stefan
)
Effects of cutting edge residual stresses on the wear behavior of PVD-coated cutting tools
(Applicants
Behrens, Harald
;
Breidenstein, Bernd
)
Effects of Redox Oscillations on Soil Clay Mineralogy and Colloid Dynamics
(Applicants
Dohrmann, Reiner
;
Mikutta, Christian
)
Einbau und Dynamik von Wasser in Silikatgläsern und deren Auswirkungen auf die Diffusion von Kationen
(Applicant
Behrens, Harald
)
Ermittlung eines Fingerabdrucks erhärteter zementgebundener Baustoffe durch Spurenelementanalytik
(Applicant
Koepke, Jürgen
)
Experimentelle Kalibration der Fraktionierungsfaktoren von Eisen-Isotopen zwischen silikatischen Schmelzen und Mineralen bei magmatischen Bedingungen
(Applicant
Schönberg, Ph.D., Ronny
)
Experimentelle Untersuchungen zur Genese von Wehrliten in der tiefen ozeanischen Kruste am Beispiel des Oman-Ophioliths
(Applicant
Koepke, Jürgen
)
Fate of tetravalent uranium under reducing conditions
(Applicant
Weyer, Ph.D., Stefan
)
Formation and properties of mineral-organic soil interfaces as revealed by X-ray photoelectron spectroscopy
(Applicant
Mikutta, Robert
)
Formation of monomineralic Fe-Ti oxide ores in the high-Ti ferrobasaltic system: A case study in Emeishan, China
(Applicant
Holtz, Francois
)
Formation of nanocrystalline zeolites from industrial waste materials under strong alkaline conditions at short reaction times and low temperatures
(Applicant
Buhl, Josef-Christian
)
"High field strength" Elemente in Eklogiten als Tracer für die Entwicklung von Kruste und Mantel
(Applicant
Weyer, Ph.D., Stefan
)
High temperature hydrothermal activity in the deep oceanic crust: Experiments and investigations on natural rocks in the Oman ophiolite
(Applicant
Koepke, Jürgen
)
Hochauflösende Multikern-Festkörper-NMR-Untersuchungen an Carbonat- und Nitrat-Cancriniten
(Applicant
Buhl, Josef-Christian
)
Hoch- ortsaufgelöste in-situ Isotopen- und Spurenelement-Stratigraphie an chemischen Sedimenten mittels UV-Femtosekunden Laser Ablation
(Applicant
Horn, Ingo
)
Hoch-Temperatur-Fraktionierung der Eisenisotope und die Variation der Eisenisotopie im Sonnensystem
(Applicant
Weyer, Ph.D., Stefan
)
Influence of hydroxamate siderophores on redox-sensitive trace elements and their isotopes and their relevance for the application of redox proxies in paleo-climate reconstruction studies
(Applicants
Bau, Michael
;
Weyer, Ph.D., Stefan
)
In situ determination of sulfur speciation in fluids at high temperature and pressure at controlled redox conditions: implications for magma degassing and formation of magmatic ore deposits
(Applicants
Behrens, Harald
;
Schmidt, Christian
)
Interaction of As with organic matter and Fe (III)-organic matter associations
(Applicant
Mikutta, Christian
)
Interactions between manganese oxides and dissolved organic matter in soil
(Applicants
Mikutta, Robert
;
Mikutta, Christian
)
Li isotope fractionation in magmatic systems: Constraints from in situ analyses on magmatic minerals by femtosecond-laser ablation-MC-ICP-MS
(Applicant
Oeser-Rabe, Martin
)
Lithiumisotope planetarer Reservoire
(Applicant
Brey, Ph.D., Gerhard Peter
)
Lithiumisotopie planetarer Reservoire
(Applicant
Brey, Ph.D., Gerhard Peter
)
Lithiumisotopie planetarer Reservoire
(Applicant
Ott, Ulrich
)
Methode zur Charakterisierung der Bearbeitbarkeit von sprödhartem Verbundwerkstoff
(Applicants
Buhl, Josef-Christian
;
Denkena, Berend
)
Mobility, speciation and distribution of platinum group elements in silicate melts and fluids at high pressure
(Applicant
Holtz, Francois
)
Molecular-scale mechanisms of antimony binding to soil organic matter
(Applicant
Mikutta, Christian
)
Natural organic matter control on silicate interactions with iron oxides and silicon phytoavailability
(Applicant
Mikutta, Robert
)
Natural variations of the 238U/235U isotope composition: A new paleoredox tracer?
(Applicant
Weyer, Ph.D., Stefan
)
New insights into the interplay between water diffusion and viscosity in magma fragmentation
(Applicant
Behrens, Harald
)
Ozeanische Gabbros und assoziierte hydrothermale Zirkulation bei niedrigen Spreizungsraten
(Applicant
Melles, Martin
)
Partitioning of sulfur and sulfur isotopes between fluids and melts - a key for understanding and monitoring of magmatic degassing
(Applicant
Behrens, Harald
)
Petrogenesis of basanite-phonolite series of an oceanic intraplate volcano: combining experimental data and field observations
(Applicants
Almeev, Ph.D., Renat
;
Klügel, Andreas
)
Pulversynthese und Charakterisierung mullitähnlicher Verbindungen des Typs Bi2M4O9
(Applicant
Rüscher, Claus Henning
)
Reconstruction of Seawater Carbonate chemistry during the last Glacial-Interglacial transition from Boron isotopic ratios and concentrations in foraminifera
(Applicants
Bijma, Ph.D., Jelle
;
Horn, Ingo
)
Rutile_zircon_melt assemblages, key to understand processes in mafic layered intrusions: examples from the Bushveld Complex, South Africa
(Applicant
Zeh, Armin
)
Silicate liquid immiscibility and the formation of Fe (±Ti ±P ±F ±REE) ore deposits
(Applicant
Koepke, Jürgen
)
Simultaneous measurement of boron isotopes and the boron/calcium ratio in biogenic marine carbonates as a tool to reconstruct the marine carbonate system
(Applicants
Bijma, Ph.D., Jelle
;
Horn, Ingo
)
Soil Manganese: Speciation, Transformation, and Reactivity
(Applicant
Mikutta, Christian
)
Sulfid-Paragenesen in postvariscischen Hydrothermal-Vererzungen des Vorspessarts: Eine Fallstudie zur Verifizierung von Modellen der thermochemischen Sulfat- und Arsenit-Reduktion.
(Applicants
Okrusch, Martin
;
Wagner, Thomas
;
Weyer, Ph.D., Stefan
)
The effect of network-formers (Si, Ti, Al and P) on ferric/ferrous ratio in silicate melts: experimental study and improvement of existing models.
(Applicant
Holtz, Francois
)
The effect of network-modifiers (Mg, Ca, Na and K) on ferric/ferrous ratio in silicate melts: experimental study and improvement of existing models.
(Applicant
Holtz, Francois
)
The ferric/ferrous ratio in silicic melts: experimental investigation and modelling
(Applicant
Almeev, Ph.D., Renat
)
The Gabbro/Dike transition in oceanic crust generated at slow- and ultraslow-spreading ocean ridge systems
(Applicant
Koepke, Jürgen
)
The generation of felsic magmas in the oceanic crust: assimilation-fractional crystallization processes versus re-melting of the crust
(Applicants
Haase, Karsten Matthias
;
Koepke, Jürgen
)
The geochemical behaviour of Sn and In during mantle melting and crust formation
(Applicant
Kirchenbaur, Maria
)
The influence of thioarsenic species formation on arsenic complexation to natural organic matter
(Applicant
Planer-Friedrich, Britta
)
The petrogenetic link between Kiruna-type ore deposits and their host silicic igneous rocks: the Vergenoeg Fe-F-REE deposit in the Bushveld large igneous province (South Africa).
(Applicant
Klemd, Reiner
)
Thermodynamik modeling of alkali-rich melt properties based on experimental and structural data
(Applicant
Holtz, Francois
)
Thermomechanisches Verhalten wasserhaltiger Glasschmelzen
(Applicant
Behrens, Harald
)
Titanium isotope fractionation during lunar magmatism - the importance of redox
(Applicant
Fonseca, Raúl
)
Trace element distribution in eclogite facies former Plagioklas Cumulates
(Applicant
Wittenberg, Antje
)
Transport and reaction properties of new Bor-hydride-hydrate-oxide sodalites
(Applicants
Bredow, Thomas
;
Rüscher, Claus Henning
)
Unravelling disequilibrium in basaltic crystal cargoes: an experimental and petrological study of mixing in primitive Icelandic magmas
(Applicant
Neave, Ph.D., David
)
U-Pb Geochronologie, Hf -Isotopie und Spurenelement-Geochemie an detritischen Zirkonen von Diamant führenden Sedimenten Südafrikas
(Applicant
Lahaye, Yann
)
Viscous flow and diffusion in highly depolymerized water-rich melts: improvement of experimental methods and implication for natural system
(Applicants
Behrens, Harald
;
Schmidt, Burkhard
)
Wasserstoff-Diffusion und elektrische Leitfähigkeit in Pyroxen
(Applicants
Behrens, Harald
;
Stalder, Roland
)
Research Units
Current projects
Amphibole stability and chemistry in mafic calc-alkaline and alkaline magmas
(Applicants
Holtz, Francois
;
Marxer, Felix
)
Diffusion-driven isotope fractionation in feldspars, chain silicates and oxides
(Applicants
Oeser-Rabe, Martin
;
Weyer, Ph.D., Stefan
)
Diffusion in common mineral phases. Part 3: Chain silicates: pyroxene and amphibole
(Applicants
Dohmen, Ralf
;
Holtz, Francois
)
FOR 2881: Diffusion Chronometry of magmatic systems
(Spokesperson
Chakraborty, Ph.D., Sumit
)
Large Scale Artificial Intelligence Augmented Mineral Analysis (LS-MAIner) – characterization of volcanic rocks for diffusion chronometry
(Applicants
Almeev, Ph.D., Renat
;
Sester, Monika
)
Timescales of processes in magma mush zones – a case study from Pulvermaar, Eifel Volcanic Field, Germany
(Applicants
Chakraborty, Ph.D., Sumit
;
Weyer, Ph.D., Stefan
)
Completed projects
Chronometry in plutonic rocks: cooling rates of ancient oceanic crust
(Applicants
Faak, Kathrin
;
Kirchenbaur, Maria
)
Effect of pressure on transport properties of granular lithium ion conductors
(Applicants
Behrens, Harald
;
Lerch, Martin
)
Isotopic Effects, Jump Correlation and Diffusion Paths in Li-containing Oxide Glasses
(Applicant
Welsch, Anna-Maria
)
Kinetics of Li intercalation and de-intercalation in tantalum chalcogenide single crystals
(Applicants
Behrens, Harald
;
Binnewies, Michael
;
Horn, Ingo
;
Schmidt, Harald
)
Heisenberg Professorships
Completed projects
Soil mineralogy
(Applicant
Mikutta, Christian
)
Major Research Instrumentation
Completed projects
Elektronenstrahlmikrosonde
Hochauflösendes Multikollektor Sektorfeld ICP-Massenspektrometer
Hochauflösendes Sektorfeld ICP-Massenspektrometer in Kombination mit einem Femtosekunden Laser
ICP-MS/MS mit Ionenchromatographiekopplung
Rasterelektronenmikroskop
X-ray diffractometer
Major Instrumentation Initiatives
Completed projects
X-ray microscopy as a fast response tool to exploit processing-microstructure-property relationships for advanced material development
(Applicant
Maier, Hans Jürgen
)
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