Mineralogy & Petrology Seminar

WS 2025/26

The seminar will take place in room 2.07 (building 27 campus Golm) and online via zoom.

Date	Speaker	Affiliation	Title
17 October	Aleksandr Rakipov	U Frankfurt	First trace elemental composition of silicic fluid rims around mineral inclusions in gem-quality diamonds
24 October	S. Gurur Beydag	UP	Molecular vibrational modes in Mn oxides from various genetic types
31 October	—		Reformation Day
7 November	—
14 November	—
21 November	—
28 November	—
5 December	Jan Falkenberg	TU Berlin	Gold and Sulfur cycling in submarine epithermal systems: Insights from in-situ trace element and S isotope signatures in the unique magmatic-hydrothermal and cold seepage releated Karambusel vent field, PNG
12 December	Nimo Radtke	UP	Fe Partitioning Between Plagioclase and Melt Inclusions: A Versatile Sensor for Magmatic Oxygen Fugacity in Volcanic Rocks
19 December	Cordula Haupt	U Orléans	From Melt to Fluid: Experimental Insights into Pb and Zn Mobilization in Magmatic Systems
19 December	Maximilian Schulze	BGI, U Bayreuth	About Trajectories and Transition States: Atomistic Modeling Approaches to Lower-Mantle Mineral Diffusion
26 December	—		Christmas
2 January	—		Bridging day
9 January	Patrick O'Brien	UP	Hiding in plain sight
16 January	Raymundo Casas-García	TU Bergakademie Freiberg	A rare ferroan volcanic–plutonic suite in a collisional orogen: origin of the Teplice Rhyolite and its granite porphyry, Bohemian Massif
23 January	Dirk Spengler	UP	Where did the UHP go? Hidden pressure records and their tectonic consequences in the Western Gneiss Region, Norway
30 January	Lisa-Christin Wlodkowski	GFZ	The role of organic matter in Kupferschiefer ore formation: Molecular insights from high-resolution NSO compound analysis
6 February	—
13 February	Tahnee Otto	U Stellenbosch	Phase Equilibrium Modelling of Partial Melting in the Upper Mantle: Insights from Experimental Comparisons
20 February	Silvio Ferrero	U Cagliari	1) Hydrous melting of amphibolites in the Asinara Island (Northern Sardinia) 2) New insights into the origin and metamorphic evolution of the Waldheim prismatine granulite (Saxon Granulite Complex) from pseudosection modeling and nanogranitoids

SS 2025

The seminar will take place in room 2.07 (building 27 campus Golm) and online via zoom.

Date	Speaker	Affiliation	Title
11. April	Luca Koldewey	UP	Time-resolved fluorescence spectroscopy of Cr³⁺ in ruby and haplobasaltic glass
18. April	—		Easter
25. April	—
2. May	—		bridging day
9. May	Tabea Reitemeier	UP	Experimental Insights of the Pyrite to Magnetite Transformation at hydrothermal conditions
9. May	Nimo Radtke	UP	How do Phoscorites form? Insights from IHPV Melting Experiments
16. May	Max Dröllner	U Göttingen	Mapping a Continent via SEM-based Automated Mineral Analysis: The Heavy Mineral Map of Australia
23. May	Anastasiia Kalugina	GFZ	Refractive index, density, and time-resolved Mn²⁺ fluorescence spectroscopy of K–Mn carbonate glass in a diamond anvil cell
30. May	—		bridging day
6. June	—		section meeting geochemistry
13. June	Daria Diagileva	U Münster	In situ experimental studies of realgar solubility and As speciation in magmatic-hydrothermal fluids
20. June	—		EMPG conference
27. June	Owishi Sakar	GFZ	Metamorphic mobilisation of tin (tentative title)
4. July	Draupadi Mothan	UP	Using fluorescence spectroscopy to understand the effects of pressure on Mn²⁺ doped magnesite crystals
4. July	Wolfgang Morgenroth	UP	Flavors of PXRD at Geosciences@UP
11. July	—		Goldschmidt
18. July	Lena Warnken	UP	Synthetic Melt Inclusions - Synthesis of granitic inclusions with known volatile content
18. July	Yongsheng Huang	Guangzhou Inst. of Geochemistry, CAS	Carbon cycle in the subduction zone: constraints from experiments

WS 2024/25

The seminar will take place in room 2.07 (building 27 campus Golm) and online via zoom.

Date	Speaker	Affiliation	Title
18. October	Michele Pugini	FHI Berlin	Liquid-Jet Photoelectron Spectroscopy: Exploring Chemistry in Aqueous Solution
25. October
1. November			bridge day
8. November	Niklas Wehmann	U zu Köln	Calcium Sulfate Formation in the Atacama Desert
15. November	Fabian Groscourth	U Halle	Geochemical and mineralogical patterns in the Armanis base metal deposit, Lori province, Armenia
22. November	Jie Xu	U Frankfurt	Boron Isotop fractionation in subducting oceanic crust
29. November
6. December	Anita Kathera	U Bern	Atomistic simulation of magnetite for radionuclide retention
13. December	Georgii Kovalskii	UP	Synthesis of zircono- and titanosilicates under high alkalinity conditions
20. December
3. January			holidays
10. January	Lea Pennacchioni	UP	New perspectives in simultaneous XES and XRD at ID27, ESRF: Investigating spin transition in magnesiosiderite
17. January	Kyriaki Daskalopoulou	UP	Characterization of deep intra-continental magma reservoirs – insights from the western Eger Rift (Czech Republic)
24. January	Helene Breton	GFZ	Iron Modulation of Heat Transfer in Bridgmanite: Insights into Earth's Thermal Engine
31. January	Rebecca Kühn	U Halle	Serpentinite microstructure at oceanic core complexes: serpentinization reaction or deformation?
7. February	Karen Appel	European XFEL	Perspectives of dynamic compression experiments for studying material at extreme conditions

WS 2023/24

The seminar will take place in room 2.07 (building 27 campus Golm) and online via zoom

Date	Speaker	Affiliation	Title
20. October
27. October	Christoph Moeller	UP	Hydrolysis rate constants of ATP up to 120 °C and 1.6 GPa: Implications for life at extreme conditions
3. November	Melanie Sieber	UP	fluid-present melting of magnesite in the upper mantle
10. November	Georgii Kovalskii	UP	Fundamentals of XAFS (X-ray Absorption Fine-Structure Spectroscopy)
17. November	Maria Kokh	U Münster	Solubility and speciation of tungsten in hydrothermal fluids
24. November	Masafumi Sudo	UP	In-situ Ar/Ar dating and petrography of Quaternary East Eifel Olbrück volcano: On the source of excess argon in nosean
1. December	Christian Albers	TU Dortmund	with special registration (e-mail to Wolfgang Morgenroth by November 22nd): PhD defense Christian Albers, TU Dortmund
8. December	Kerstin Gresky	UP	Investigation of anatectic melt inclusions to unravel the chemical differentiation of the continental crust
15. December	Lukas Schifferle	GFZ	Optical Properties of (Mg,Fe)O at high pressure (Doctoral defense)
22. December	no seminar
29. December	Christmas holidays
5. January	Christmas holidays
12. January	Patrick O'Brien	UP	'Gemstones' from Germany
19. January	Franziska Scheffler	U Jena	Glasses in agriculture
26. January	Monika Koch-Müller	GFZ	The coesite-stishovite transition in hydrous Al-bearing SiO₂: preliminary results of an in situ synchrotron X-ray study
2. February	Marie Bonitz	GFZ	Can we define alteration indicators to identify hydrogeological influences in a sedimentary rock sequence?
9. February			short presentations, perhaps from the course 'Experimental Mineralogy-Petrology'

SS 2023

The seminar will take place in room 2.07 (building 27 campus Golm) and online via zoom

Date	Speaker	Affiliation	Title
05. May 2pm!!!	Enrico Ribacki	UP	PhD defense titled: Intra-granitic pegmatites of the Las Chacras-Potrerillos batholith, Argentina
12. May	Rebecca Volkmann	GFZ	Transformation Processes and Kinetics in the Magnesium Phosphate Mineral System
19. May	no seminar
26. May	Anna Nikolenko	GFZ	Solubility of Zr- and Nb-bearing minerals in alkaline silica-undersaturated melts at 750-1000 °C and 100-200 MPa conditions
02. June	no seminar
09. June	Moritz Zöllner	BAM	Mineral thermometry of carbonate minerals in high-fired medieval gypsum and lime mortars: Burned or not burned?
16. June	Debby Schmidt	UP	Bioleaching of Rare Earth Element from Primary Resources using Heterotrophic Organisms – Chances for the Sustainable Recovery of Critical Metals?
23. June	Christoph Möller	UP	In-situ hydrolysis rate constants of ATP as a function of p-T-X, exploring the limits of life
30. June	no seminar
07. July	no seminar
14. July	Iris Wannhoff	FU	New insights about the (U?)HP Koralpe-Saualpe-Pohorje Complex (Eastern Alps)
21. July	Daniel Jaeckel	UP	Contributions to provenance analyses of the Silgara Formation, Santander Massif, Colombia
28. July	Enrico Marzotto	GFZ	Olivine’s High Radiative Conductivity Increases Slab Temperature by 100-200 K

WS 2022/23

The Mineralogical and Petrological Seminar will be held in WS 2022/2023 on Fridays at 12:15 pm as an online-only event. The lectures will not be recorded.

Access data for the Zoom Meeting can be obtained from Dr. Sieber (melanie.sieber@uni-potsdam.de).

WS 2022
Datum	Format	Referent(in)	Zugehörigkeit	Titel
21. Oct 2022	online only	Maxwell Thiemens	Vrije University Brussel	The evolving battle over lunar evolution
04. Nov 2022	cancelled	Sofia Locchi	Uni Milan	tba
11. Nov 2022	online only	Nada Abdel-Hak	GFZ	The relevance of phengite and garnet as hosts for nitrogen in the deep Earth: an experimental study
18. Nov 2022	online only	Bernd Hinrichsen	BASF	What on Earth? A Mineralogist's Career in Chemical Industry
25. Nov 2022	hybrid	Yulia Gruzdeva	GFZ	Magmatic controls on fluid exsolution and implication for Porphyry deposits formation
02. Dec 2022	hybrid	Matthew Stephen Huber	University of Western Cape	Hiding in plain sight: Discovering the proximal impact ejecta of the Earth's largest impact (Vredefort, South Africa)
13. Jan 2023	postponed	Anna Nikolenko	Uni Potsdam / GFZ	Eudialyte solubility in alkaline silica-undersaturated melts at 750-1000 °C and 100-200 MPa conditions
20. Jan 2023	hybrid	Tobias Schnepper	GFZ	Hydrogeochemical impacts of pumped hydropower storage in open-pit lignite mines
27. Jan 2023	online only	Catharina Heckel	Uni Frankfurt	Sheared peridotites from the Kaapvaal craton: Linking deformation and metasomatism in the lithospheric mantle
03. Feb 2023	online only	Lisa Eberhard	Utrecht University	Rethinking antigorite dehydration: microstructural analyses of deformed serpentinites

SS 2024

The seminar will take place in room 2.07 (building 27, campus Golm) and online via zoom

Datum	Sprecher	Affiliation	Titel
12. April	Christoph Moeller	UP	Tentative stability field of ATP: Implications for life under extreme conditions
19. April			no seminar (EGU conference)
26. April	Luca Koldewey	UP	Elastic and structural properties of Ab₂₅An₂₅Di₅₀ glass from surface to lower mantle conditions
3. Mai
10. Mai			no seminar (bridge day)
17. Mai	Anastasiia Shevtsova	U de Lyon	Phosphorylation of prebiotic precursors on the early Earth
24. Mai	Wolfgang Morgenroth	UP	High-pressure Raman and single crystal diffraction study on apatite
31. Mai	Luca Koldewey	UP	Experimental constraints on carbonation kinetics and mechanisms of natural Antigorite
7. Juni	Maria Kokh	U Münster	Multiple sulfur isotope fractionation in hydrothermal systems in the presence of radical ions and molecular sulfur
14. Juni	Anne Glerum	GFZ	Geodynamic controls on sediment-hosted base metal deposits
21. Juni	Clara Waelkens	U Hannover	Constraining magma storage and dynamics from complexly zoned crystal cargoes
28. Juni	Fujun Wang	UP	First identification of Late Mesozoic intraplate granitic magmatism in the Chinese Tianshan
5. Juli	Marawit Tesfa	U Toulouse	Capture of Carbone by Biologically induced precipitation of Carbonates
12. Juli	David Matzdorff	HZB/FU	The impact of anion substitution on the crystal structure of Cu-based quaternary chalcogenides
19. Juli	Laura García Gomez	U Malaga	LIBS for Planetary Exploration: Laboratory Approaches, Challenges and New Insights