Ongoing projects
Experimental constraints on the effect of temperature and solution chemistry on the degree of silica-organic matter replacement in silicified wood
Visiting PhD student: Wenqing Liu
Funding: China Scholarship Council (CSC) and JGU/Idar Oberstein
PIs: Guanghai Shi (Beijing), Roman Botcharnikov, Tobias Häger, Anne Jantschke, Stephan Buhre (Mainz)
Understanding the origin of Demantoid garnets: The gemmological and geological perspectives
PIs: visiting Professor Dr. Vahid Ahadnejad (Payame Noor University, Iran), Roman Botcharnikov and Tobias Häger (Mainz)
Formation of cratonic lithospheric roots: Constraints from experimental petrological studies
Visiting PhD student: Zongpeng Yang
Funding: China Scholarship Council (CSC)
PIs: Tong Hou (Beijing) and Roman Botcharnikov (Mainz)
Modelling of CHROMium Enrichment in the mantle and the crust (CHROME)
PIs: E. Moulas, R.Botcharnikov, B. Kaus, S.Buhre
Funding: DFG, SPP DOME
Postdoc: Nicolas Riel
Spectroscopic analyses and quantification of water and iron contents in beryl from different localities
PIs: T. Häger and R.Botcharnikov
Funding: Idar-Oberstein, JGU
Student: PhD Carina Hanser
Constraining the time scales of magmatic and metamorphic
processes
PIs: E. Moulas and R. Botcharnikov
Funding: JGU
Student: PhD Annalena Stroh
Izu-Bonin-Mariana boninites - natural laboratory to study mantle melting and the evolution of magma plumbing systems in early stages of subduction
PIs: R. Almeev, F. Holtz, J. Koepke (Hannover), R.Botcharnikov (Mainz)
Funding: DFG, SPP IODP
Students: --
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
PIs: R. Botcharnikov, S.Buhre (Mainz), F. Holtz (Hannover), M. Tichomirowa, B. Schulz (Freiberg), R. Klemd (Erlangen)
Funding: DFG SPP “DOME” 2238 – Dynamics of Ore Metals Enrichment
Students: PhD Antonia Simon (Hannover – Mainz)
High-pressure and high-temperature treatment of diamonds
PIs: T. Häger, R.Botcharnikov, S.Buhre
Funding: Idar-Oberstein, JGU
Students: PhD Stefan Müller
Carbon recycling by arc magmatism: an assessment from experimentally homogenized melt inclusions in high-Mg olivine
PIs: R.Botcharnikov (Mainz), F. Holtz (Hannover), M.Portnyagin (Kiel), N. Mironov (Moscow)
Funding: DFG-RFBR Joint German-Russian Program
Students: PhD Stepan Krasheninnikov (Hannover – Mainz), BSc Anna Bott (Mainz)
Completed projects
Rare-metal enrichment mechanism in anatectic pegmatites: Evidence from partial melting experiments
Visiting PhD student: Siyu Liu
Funding: China Scholarship Council (CSC)
PIs: Rui Wang (Beijing) and Roman Botcharnikov (Mainz)
Metallogenesis of the submarine volcanogenic iron oxide deposit in Western Tianshan, NW China
Visiting PhD student: Hengxu Li
Funding: China Scholarship Council (CSC)
PIs: Zhaochong Zhang (Beijing), Tong Hou (Beijing) and Roman Botcharnikov (Mainz)
Enrichment processes during transfer of chromium from the mantle to the crust
PIs: R.Botcharnikov, E. Moulas, S. Buhre (Mainz)
Funding: DFG SPP “DOME” 2238 – Dynamics of Ore Metals Enrichment
Students: PhD Myriam Ruttmann
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
PIs: R. Botcharnikov (Mainz), F. Holtz (Hannover), M. Tichomirowa, B. Schulz (Freiberg), R.Klemd (Erlangen)
Funding: DFG SPP “DOME” 2238 – Dynamics of Ore Metals Enrichment
Students: PhD Daria Voropaeva (Freiberg), MSc Philipp Richert (Mainz)
How platinum-group elements are accommodated in magmatic sulfide phases, substitutions and inclusions?
PIs: Hassan Helmy, Roman Botcharnikov
Funding: Alexander von Humboldt Fellowship for Prof. Hassan Helmy
Student: BSc Elisa Winkes
Atmospheric Inorganic and Organic Selenium Speciation in Volcanic Environments
PI: Alexandra Gutmann
Funding: JGU
Formation of monomineralic Fe-Ti oxide ores in the high-Ti ferrobasaltic system: A case study in Emeishan, China
PIs: F. Holtz (Hannover), R.Botcharnikov (Mainz), Z.Zhang (Beijing), T. Hou (Beijing)
Funding: DFG – China, Sino-German Program
Students: PhD Sarah Haselbach (Hannover), BSc Jonas Thiel (Mainz)
Behavior of chalcophile elements in subduction zone processes
PI: R.Botcharnikov
Funding: DFG
Students: PhD Anastasia Zemlitskaya, MSc Katharina Kuper, BSc Amanda Marianov, BSc Wieland Böhme, BSc Oumar Mbareck