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David ZakharovView profile

Assistant Professor

• Petrology
• Geochemistry
• Stable Isotope Geochemistry
• +7 more

David Zakharov is an Assistant Professor in the Department of Geological and Environmental Sciences at Western Michigan University (WMU), specializing in petrology, stable isotope geochemistry, and water-rock interaction. His research focuses on the geochemical co-evolution of Earth’s crust and hydrosphere, particularly through igneous and metamorphic processes, with projects targeting Archean subaerial magmatism, Precambrian chert geochemistry, and fluid circulation in oceanic crust. At WMU, Zakharov established a stable isotope lab in January 2023, equipped with advanced instrumentation including a Thermo EA Isolink, Renishaw Raman microscope, and CO2 laser. His lab conducts high-precision triple O-isotope (δ¹⁸O, δD, Δ¹⁷O) analyses, geochronology, and SIMS measurements, collaborating on studies such as the 2025 Chemical Geology paper on exceptionally low δ¹⁸O zircon values and the 2024 Chemical Geology paper on experimental olivine-water reactions. He has presented at major conferences like Goldschmidt 2024 and AGU Fall Meeting 2022. Zakharov’s research integrates fieldwork, laboratory experiments, and analytical techniques to reconstruct ancient environmental conditions, such as seawater chemistry and hydrological cycles. His lab has hosted distinguished lecturers and workshops, including a 2024 SIMS Workshop at UCLA. Current projects involve PhD students Israr Hussain, Afrid Abdaly Sheik, and Zack Stevens, with recent publications highlighting reactive fluid dynamics, silicification processes, and isotopic constraints on early Earth environments.

Andrew BerryView profile

Associate Professor

• Geochemistry
• Experimental Petrology
• X-ray Absorption Spectroscopy
• +5 more

Professor Andrew Berry is an Associate Professor and Head of the Geochemistry Research Area at the Research School of Earth Sciences, Australian National University (ANU). He holds a D.Phil. from the University of Oxford and a B.Sc. (Hons) from the University of Sydney. His research focuses on experimental petrology, geochemical processes in high-temperature environments, and the use of synchrotron-based techniques like X-ray absorption spectroscopy (XAS) to study element speciation in melts and minerals. Key areas include mantle metasomatism, oxidation state analysis of metals (Fe, Ti, Cr), and the geochemistry of carbonatites and rare earth elements. Education: D.Phil. (University of Oxford, 1997), B.Sc. (University of Sydney, 1991). Employment: Senior Fellow/Associate Professor at ANU (2012–present), Senior Lecturer at Imperial College London (2005–2011), and Research Fellow/Postdoctoral roles at ANU (2000–2005). Research Interests: Experimental studies of melt connectivity, oxidation state controls on element partitioning, and applications of synchrotron techniques. Current projects include investigating Fe³+/Fe²+ ratios in MORB, Ti oxidation states in hibonite, and REE behavior in carbonatites. Scientific Awards: Humboldt Research Fellowship (Universität Frankfurt, 2005). Advising & Grants: Supervised numerous PhD projects on topics like mantle metasomatism and zircon oxy-barometry. Active in collaborative projects on critical metals and carbonate melt geochemistry. Labs/Teams: Leader of the Experimental Petrology group at ANU, contributing to facilities like the Australian Synchrotron.

Sami MikhailView profile

Academic

• Planetary Science
• Geochemistry
• Volcanology
• +5 more

Dr. Sami Mikhail is a Reader in Earth Sciences at the University of St Andrews, School of Earth and Environmental Sciences. His research focuses on understanding the interplay between planetary interiors and surface composition, particularly how volcanic degassing influences long-term habitability. He holds roles such as Treasurer of the Volcanic and Magmatic Studies Group and Board Member of the St Andrews Centre for Exoplanet Science. He completed his PhD at University College London (2011) and has held positions including Postdoctoral Researcher at the Carnegie Institution of Washington (2011–2013). His expertise spans geochemistry, petrology, and planetary science, contributing to UN Sustainable Development Goals related to climate action and sustainable cities. Key research interests include the deep carbon and nitrogen cycles, mantle metasomatism, diamond formation, and planetary habitability. His work has been recognized with awards such as the Distinguished Lecturer from the Mineralogical Society (2020) and the Murchison Fund (2017). Dr. Mikhail supervises PhD students (e.g., Fawn Holland, Frederik Märker) and has led major grants like the NERC-funded project on Earth’s nitrogen flux. His lab focuses on experimental and theoretical approaches to trace volatile elements in Earth’s history.

Yoann GréauView profile

Researcher

• Geochemistry
• Geochronology
• Petrology
• +4 more

Dr. Yoann Gréau is Senior Manager of the AuScope Geochemistry Node at the Australian National University (ANU), affiliated with the Research School of Earth Sciences. He holds a B.Sc. (Université de Nantes), M.Sc. (Université de Montpellier), and Ph.D. (Macquarie University). His research focuses on mantle geochemistry, geochronology using zircon isotopes (U-Pb, Lu-Hf), and developing the EarthBank cloud platform for geoscientific data management. He is a member of the Experimental Petrology group and utilizes advanced facilities like the ICP-MS research facility for elemental and isotopic analysis. His work bridges field-based studies with cutting-edge analytical techniques, emphasizing mantle processes, crustal evolution, and translational research infrastructure. Education: B.Sc. Earth & Planetary Sciences, Université de Nantes (2003); M.Sc. Geochemistry & Geophysics, Université de Montpellier (2005); Ph.D. Petrology & Geochemistry, Macquarie University (2011) Key Research Themes: Mantle xenoliths, kimberlite petrogenesis, zircon geochronology, isotopic tracing in peridotites, and geodatabase development Facilities: ANU ICP-MS research facility; EarthBank collaborative platform His publications from 2025 highlight advancements in metasomatic processes, Himalayan crustal evolution, and Indian Shield geodynamics, reflecting a synthesis of laboratory and field-based approaches. Collaborative efforts with AuScope have driven innovations in geochemical data interoperability and FAIR principles.

James DayView profile

Professor

• High Temperature Geochemistry
• Isotopic Geochemistry
• Planetary Sciences
• +5 more

James Day is a Professor in the Geosciences Research Division at the Scripps Institution of Oceanography, UC San Diego. He specializes in high-temperature geochemistry, isotopic geochemistry, planetary sciences, and meteoritics. His research focuses on understanding planetary formation processes, volatile element behavior in planetary interiors, and the petrogenesis of igneous rocks. Day holds a B.S. and PhD from the University of Durham, England, and has conducted fieldwork in Iceland, Mars meteorite analysis, and lunar sample studies. Key research areas include: Volatiles in terrestrial planets and meteorites Mantle dynamics and source heterogeneity Martian and lunar crust-mantle interactions Impact processes and their geochemical signatures Day has received major awards including the 2014 Nier Prize from the Meteoritical Society and the 2013 Houtermans Award from the European Association of Geochemistry. His work leverages advanced analytical techniques like isotopic tracing and microprobe analysis. He directs the Scripps Isotope Geochemistry Laboratory, a facility specializing in high-precision geochemical analyses. Recent studies include investigations into the Fagradalsfjall volcanic eruption in Iceland, the geochemical composition of lunar meteorites beyond the Procellarum KREEP Terrane, and nitrogen recycling in Earth's mantle. His research bridges cosmochemistry with terrestrial magmatism, addressing fundamental questions about planet formation and evolution.

Olivier AlardView profile

Associate Professor

• Geochemistry
• Mantle Dynamics
• Isotope Geochemistry
• +3 more

Associate Professor Olivier Alard is a Geochemistry faculty member at the Research School of Earth Sciences (RSES) at ANU. He holds concurrent roles as Honorary Associate Professor at Macquarie University (2023–2028) and Research Director (DR2) at CNRS-Géosciences Montpellier. His research focuses on mantle processes, geochemical tracers, and planetary materials. Key areas include peridotite petrology, isotope systematics, and trace element geochemistry. He leads projects such as the ANU Futures 2022 initiative and the AusGeoChem data platform. Education: PhD from Macquarie University (Australia) and HDR from Université de Montpellier (France). Research interests span mantle dynamics, fluid-rock interactions, and extraterrestrial materials. Notable work includes studies of kimberlite xenoliths, subduction zone geochemistry, and meteorite composition. He supervises HDR students and collaborates internationally on projects like the Wet but Dry Mantle hypothesis and metallogenic processes in oceanic lithosphere. Recent publications address metasomatic controls in clinopyroxene xenocrysts, nitrogen recycling in subduction zones, and Rb-Sr geochronology advancements. His work integrates experimental petrology, isotope analysis, and novel analytical techniques to unravel Earth's deep processes and planetary formation histories.

• Petrology
• Volcanology
• Mantle Geochemistry
• +4 more

Daniele Brunelli is an Associate Professor in the Department of Chemical and Geological Sciences at the University of Modena and Reggio Emilia (Italy). His research bridges petrology, volcanology, and geochemistry, focusing on mantle dynamics, magmatic processes, and tectonic-volcanic interactions at mid-ocean ridges and transform faults. He also contributes to interdisciplinary archaeometric studies, particularly in Mediterranean prehistoric and protohistoric ceramic analysis. Research Interests : Mantle heterogeneity, volcanology, serpentinization, geodynamic modeling, and archaeometry. Recent Publications : Investigate CO2 degassing in mantle rocks, hydrous fluid migration in ultra-slow ridges, and lithospheric heat production using gamma spectrometry. Teaching : Courses in Petrology and Volcanology for Geosciences, and Petrography for Natural Sciences, emphasizing microscopy and geochemical analysis. Collaborations : Active in international ocean drilling projects and field studies at the St. Paul Transform System and Romanche Fracture Zone.

Nadine MattielliView profile

Professor

• Geochemistry
• Environmental Pollution
• Paleoenvironmental Reconstruction
• +4 more

Nadine Mattielli is a Professor at the Free University of Brussels , specializing in geochemistry , environmental pollution , and mantle plume dynamics . Her work integrates non-traditional stable isotopes (Zn, Cd, Cu, Fe) and radiogenic isotopes (Pb, Hf, Nd, Sr) to trace sources, reconstruct paleo-environments, and study metal cycles in Earth systems. Research Interests include trace metal cycling, mantle geochemistry, dust provenance, and biogeochemical processes in soil-plant systems. Collaborations span institutions in France, Portugal, Canada, Belgium, and Germany, focusing on geochemical applications in archaeology, environmental monitoring, and mantle dynamics. Teaching Activities involve advanced courses on petrology, geochemistry, and global geodynamics. She contributes to projects like IsoBel (strontium isoscape for Belgium) and studies metal isotopes in honey as environmental indicators during the COVID-19 lockdown . Recent Publications highlight dust provenance in Greenland and Antarctica, mantle metasomatism, and Roman-era material sourcing, reflecting her interdisciplinary approach bridging geochemistry with archaeology and environmental science.

Hamed GamaleldienView profile

Assistant Professor

• Earth evolution
• Tectonics and geodynamics
• Mantle petrology and geochemistry
• +3 more

Dr. Hamed Gamaleldien is an Assistant Professor at Khalifa University and an Adjunct Research Fellow at Curtin University’s School of Earth and Planetary Sciences (EPS). He holds a Ph.D. in mantle chemical dynamics from Curtin University (2021) and a master’s in geology from Tanta University (2013). His research focuses on Earth evolution, tectonics/geodynamics, mantle petrology, and subduction zone geochemical cycles. Education: Ph.D., Mantle Chemical Dynamics, Curtin University (2021) M.Sc., Geology, Tanta University (2013) B.Sc., Geology, Tanta University (2009) Research Interests: Crustal growth mechanisms in the Arabian-Nubian Shield Mantle plume-supercontinent cycle interactions Subduction zone geochemical cycling Deep mantle recycling processes Application of advanced analytical techniques (e.g., atom probe tomography) Key Projects: Crustal growth history of the Arabian-Nubian Shield Geodynamic links between mantle plumes and supercontinent cycles Fluid-rock interactions in subduction zones Awards: Curtin Graduate Research School Publication Award (2019) CIPRS Research Stipend Scholarship (2017) Lloyd V. Berkner Travel Fellowship (2014) Outstanding Student Poster Award, EGU Annual Meeting (2014) His work bridges micro-scale mineral analysis with global-scale tectonic processes, contributing to understanding Earth’s mantle evolution and continental crust formation. He collaborates internationally, with fieldwork in Egypt, Japan, and Australia.

Lynton JaquesView profile

Associate Professor

• Geochemistry
• Petrology
• Diamond Formation
• +5 more

Lynton Jaques is an Honorary Associate Professor at the Australian National University's Research School of Earth Sciences. He previously served as Chief Scientist at Geoscience Australia, leading initiatives like the Australian Energy Resource Assessment (2010) and chairing the 34th International Geological Congress (2012). His research focuses on diamonds, lamproites, kimberlites, and carbonatites, with an emphasis on their petrology, geochemistry, and mantle dynamics. Research interests include the genesis of Australian diamonds, the relationship between lamproites/kimberlites and lithospheric mantle, and rare metal deposits linked to carbonatites. His work has contributed to understanding mantle processes, magmatic evolution, and resource exploration in regions like the Kimberley and Papua New Guinea. Key awards include the Public Service Medal (PSM). His interdisciplinary approach bridges geology, geochemistry, and petrology, with over 120 publications on mantle-derived rocks and their geochemical signatures.

Julie BryceView profile

Professor

• Geochemistry
• Isotope Geochemistry
• Environmental Science
• +6 more

Julie Bryce is a Professor in Earth Sciences at the University of New Hampshire, affiliated with the College of Engineering and Physical Sciences. Her research integrates trace elemental and isotope geochemistry to study Earth surface and deep Earth processes, with interdisciplinary collaborations in archaeology and environmental microbiology. Ph.D. , Geological Sciences, University of California - Santa Barbara B.A. , Environmental Sciences, University of Virginia Her work spans a temperature gradient from permafrost thaw to mantle dynamics, focusing on: Metal cycling in Arctic and temperate wetlands Trace metal deposition in New England Isotopic sediment provenance Arsenic in groundwater systems Mantle geochemical signatures Recent publications highlight mercury cycling in thawing ecosystems, microbial community interactions in stone environments, and mantle dynamics in rift systems. She leads advanced research courses and has secured grants from NSF, USGS, and GSA for Arctic studies, groundwater sustainability, and mantle geochemistry. Laboratories include the UNH Clean Lab and Plasma Lab with high-resolution mass spectrometry facilities.

• Igneous Petrology
• Volcanology
• Mantle Xenoliths
• +3 more

Prof. Hilary Downes is a part-time Professor of Geochemistry at Birkbeck, University of London, affiliated with the School of Natural Sciences. He also serves as a Scientific Associate at the Natural History Museum and is part of the Volcanologists of London research group. His academic career includes a BSc from Durham University, an MSc from the University of Calgary, and a PhD from the University of Leeds, focusing on the geochemistry of Cantal volcano. Research interests span Igneous Petrology, Volcanology, Mantle Xenoliths, Lower Continental Crust studies, and Meteoritics, particularly ureilite meteorites from differentiated asteroids. Current projects include volcanic processes in the Cape Verde islands, CT scanning of mantle xenoliths, and subduction-zone volcanoes in Central America. He supervises 11 PhD students and has guided over a dozen researchers since 2013. Key achievements include a Fellowship from the Geological Society and past leadership as President of the Mineralogical Society of Great Britain and Ireland. His work integrates field studies, isotopic analysis, and experimental methods, emphasizing interdisciplinary approaches to understanding Earth's interior and extraterrestrial materials.

Paula AntoshechkinView profile

Researcher

• Igneous Petrology
• Geochemistry
• Thermodynamic Modeling
• +7 more

Paula Antoshechkin is a Senior Research Scientist at the California Institute of Technology, specializing in igneous petrology and geochemistry. Her work focuses on thermodynamic modeling of magmatic processes, particularly through the development and maintenance of the alphaMELTS software suite, which provides advanced computational tools for simulating mantle melting and magma chamber dynamics. Her research integrates phase equilibrium modeling with geodynamic frameworks to study mantle melting, subduction zone processes, and the evolution of volcanic systems. She contributes to the MAGMA website and serves as an administrator for the MELTS Facebook page, maintaining key community resources for computational geoscience. B.A., University of Cambridge, 1996 Ph.D., University of Cambridge, 2001 Research Assistant, University of Cambridge, 2001–2002 Postdoctoral Scholar, Caltech, 2003–2006 Research Scientist, Caltech, ongoing Recent publications emphasize thermodynamic modeling of complex oxide systems (2013), subduction zone melt dynamics (2009), and computational tools for phase equilibrium analysis (2005). The work demonstrates a consistent focus on quantitative integration of geophysical and geochemical processes.

• Volcanology
• Magmatism
• Geochemistry
• +4 more

Dr. Fatma Gülmez Yıldırım is an Assistant Professor in the Department of Geological Engineering at Istanbul Technical University (ITU). She holds a PhD in Geological Engineering (2015) and a Master's in Earth System Science (2009), both from ITU. Her research focuses on magmatism, mantle processes, and tectonic evolution, with expertise in ultrapotassic magmatism, sediment recycling, and geothermal systems. She has conducted postdoctoral research at Johannes Gutenberg University Mainz and the University of Georgia, and collaborated internationally on projects involving mantle source characterization and volcanic processes. Currently, she leads a TÜBİTAK-funded project analyzing magmatic systems in Western Turkey. Education: PhD in Geological Engineering (ITU, 2015), MSc in Earth System Science (ITU, 2009), BSc in Geological Engineering (ITU, 2007) Professional Experience: Postdoctoral Researcher (Mainz, 2018–2019), Guest Researcher (Georgia, 2012; Mainz, 2014), Industry Roles: Ozmen Holding (2016–2018), Medithermal Energy (2020–2021) Her research integrates experimental petrology, geochemical analysis, and field studies to address questions about continental arc magmatism, sediment subduction, and geothermal energy reservoirs. Key topics include the role of recycled carbonates in ultrapotassic magmas and tectonic controls on Anatolian volcanic systems. Recent contributions include studies on radionuclide-rich beach sands in Çanakkale, mantle metasomatism mechanisms, and structural analysis of the Gediz Graben. Her work aligns with UN SDG 7 (Affordable Energy) through geothermal exploration efforts.

• Experimental Petrology
• Geochemistry
• Planetary Differentiation
• +4 more

Professor Raúl O.C. Fonseca serves as Chair of Experimental Petrology and Geochemistry at Ruhr University Bochum since 2019. His research combines high-pressure experiments with isotope geochemistry to investigate planetary differentiation, terrestrial magmatism, and element cycling in extreme conditions. Education : PhD in Geochemistry (Australian National University, 2007); Licentiateship in Geology (University of Lisbon, 2002) Key Research Areas : Trace element and stable isotope behavior during mantle melting/crystallization Fe-S melt mobility in planetary interiors Ti/B isotope applications to Archean crust formation and lunar evolution Diamond genesis through sulfide melt interactions Projects : Funded by DFG Heisenberg Professorship until 2024, with ongoing grants through 2028 for studies on: Metallic melt migration dynamics Ti isotopes in Archean TTG rocks Boron isotope fluid tracing in subduction zones Teaching : Courses in Earth materials, igneous petrology, geochemical methods, and high-temperature thermodynamics Editorial Roles : Associate Editor for Geochemical Perspectives Letters and Advances in Geochemistry and Cosmochemistry