جست‌وجوی استاد و پژوهشگر

Vincent Monchalمشاهده پروفایل

پژوهشگر

• Isotope Geochemistry
• Rare Earth Elements
• Analytical Geochemistry
• +۴ مورد دیگر

Vincent Monchal is a Researcher in the Department of Geology at Trinity College Dublin, where he is completing his PhD studies. His research focuses on U-Pb LA-ICP-MS dating of carbonates veins in orogenic belts using image mapping techniques. He has established collaborations that extend his research from mineral ores to paleosoil pedogenic nodules and paleo-glacial markers. Education: PhD in Geology, Trinity College Dublin (September 2019 - August 2024) Master's in Mineralogy, Mapping and Exploitation of Resources, Universite Rennes 1 (October 2017 - July 2019) License in Volcanology and Magmatology, University of Clermont Auvergne (September 2013 - July 2017) Vincent's research interests center around mineral scale dating of igneous and metamorphic processes, with a specialization in U-Pb geochronology using Laser Ablation-Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS). His work spans isotope geochemistry , rare earth element analysis , and analytical geochemistry applied to diverse geological settings. He has developed expertise in applying LA-ICP-MS imaging techniques to carbonate dating, which has applications ranging from tectonic studies to understanding paleoenvironments. Vincent is also passionate about science popularization and has organized geological events in France to engage the general public with earth sciences. His recent publications demonstrate a strong focus on two main research streams: U-Pb carbonate dating applications and rare earth element analysis in sedimentary phosphorites. The carbonate dating work provides critical chronological constraints for geological processes, while his REE research explores unconventional sources of critical raw materials, particularly in Estonian phosphorites. These research areas intersect at the application of advanced LA-ICP-MS imaging techniques to solve complex geological problems. Vincent collaborates extensively with researchers across Europe, particularly with institutions in Estonia and France. His work bridges fundamental geological research with practical applications in resource exploration and environmental studies.

• Economic Geology
• Mineralogy
• Geochemistry
• +۳ مورد دیگر

Yanbo Cheng is a researcher affiliated with James Cook University, specializing in economic geology and mineral deposits. His work focuses on the geochronology, petrogenesis, and ore genesis of tin (Sn), tungsten (W), copper (Cu), and other metals in major ore districts such as the Gejiu Tin District (SW China), the Nanling Range, and northeast Queensland. He completed his PhD at JCU in 2012, investigating the geological evolution of the Gejiu Ore District through magmatic and mineralization studies. His research employs advanced analytical techniques including LA-ICP-MS zircon U-Pb dating, cathodoluminescence, and Fe isotope analysis to unravel the tectonic and geochemical processes controlling ore formation. Key contributions include studies on metal zoning in tin deposits, Jurassic continental margin uplift, and skarn-type mineralization mechanisms. Collaborations span institutions globally, with a focus on linking geodynamic settings to mineral resource formation. Education: PhD in Geology, James Cook University (2012). Notable research themes include Mesozoic ore deposit systems in South China, supergene weathering processes, and the application of multi-isotope geochronology (U-Pb, Re-Os, Ar-Ar) to constrain mineralization timing. His work bridges field-based studies with laboratory analysis, providing critical insights into the temporal and spatial distribution of economically significant mineral deposits.

Penny Wieserمشاهده پروفایل

استادیار

• Igneous Petrology
• Volcanology
• Geochemistry
• +۳ مورد دیگر

Penny Wieser is an Assistant Professor at the University of California, Berkeley, specializing in igneous petrology and volcanology. Her research focuses on understanding volcanic systems through analysis of erupted materials (melts, crystals, gases, aerosols) and advanced analytical techniques like Raman spectroscopy, SEM, and LA-ICP-MS. She leads a research group investigating magma storage depths and volatile release mechanisms in volcanoes, particularly in Hawaii and other oceanic island systems. Her work emphasizes rapid-response methodologies and open-source Python tools for data analysis, such as VolFe and pyMELTScalc. Key research areas include magma reservoir geometry, volatile degassing processes, and the interplay between petrological data and volcanic monitoring. Recent studies have addressed the plumbing systems of Mauna Loa, Kīlauea, and La Palma, with a focus on magma storage depth estimation using fluid inclusions and microstructural analysis. Wieser’s contributions bridge laboratory-based petrology with field observations, enhancing understanding of volcanic hazards and Earth’s dynamic processes. Her office is located in Room 449 McCone Hall, and she maintains an active research group at her academic website . Notable tools developed include VESIcal and Thermobar for thermodynamic modeling of magmatic systems.

Paul Sylvesterمشاهده پروفایل

استاد

• Mineral Geochemistry
• Geochronology
• Planetary Geochemistry
• +۳ مورد دیگر

Dr. Paul Sylvester is a **Professor and Pevehouse Chair** in the Department of Geosciences at Texas Tech University (TTU). His research focuses on mineral geochemistry and geochronology of sedimentary systems, with expertise in microbeam techniques like LA-ICP-MS for analyzing minerals in planetary and Earth systems. He leads the TTU MILL laboratory, specializing in U-Pb geochronology of zircon and other minerals, Hf isotope analysis, and methodological advancements in geochronology and geochemistry. Dr. Sylvester holds a Ph.D. from Washington University, St. Louis. He teaches courses including GCH 5300 (Sedimentary Provenance), GCH 5360 (Radiogenic Isotope Geochemistry), and GCH 5371 (Laser Ablation ICPMS Methods). His research addresses crustal evolution, meteorite studies, and ore genesis, with a focus on developing standardized protocols for LA-ICP-MS analysis. His lab collaborates with institutions like the USGS and supports graduate students (e.g., PhD candidates Alex Washburn, Rui Liu). Recent work emphasizes critical rare earth element minerals, matrix effects in LA-ICP-MS, and inter-laboratory comparisons for detrital geochronology. He actively promotes data accessibility and methodological rigor in geochemical research.

Alexander V. Sobolevمشاهده پروفایل

استاد

• Petrology
• Geochemistry
• Mantle Geodynamics
• +۷ مورد دیگر

Prof. Alexander V. Sobolev is a Distinguished University Professor at the Institut Science de la Terre (ISTerre) , University of Grenoble Alpes, France (since 2009), and a visiting research fellow at the Vernadsky Institute of Geochemistry and Analytical Chemistry , Russian Academy of Sciences, Moscow (2006-present). He previously held prestigious positions including Gauss Professor at Gottingen University (2009-2010) and Wolfgang Paul Professor at Max Planck Institute for Geochemistry (2001-2005). Education: M.Sc. in geochemistry with distinction from Novosibirsk State University (1976) Ph.D. in geochemistry (1983) Doctor of Science (1997) with thesis on mantle-derived melts Professor in geochemistry (1998) Research Focus: His work spans mantle petrology, trace element and isotope geochemistry, melt/fluid inclusions, and mantle geodynamics. He employs advanced methods like SIMS and LA-ICP-MS to study mantle melting and melt evolution in diverse tectonic environments. Publication Trends: His recent work (2016-2023) emphasizes mantle heterogeneity , volatiles in mantle , komatiite genesis , and analytical technique innovation , with a particular focus on isotope geochemistry and mantle recycling using melt inclusion data. Scientific Honors: Fellow of the Geochemical Society (2021) A.P. Vinogradov Prize (2020) ERC Synergy Grant (2019) Academician, Russian Academy of Sciences (2016) Senior Member, Institut Universitaire de France (2015) Academia Europaea member (2013) Three-time Humboldt award recipient (1999, 2001, 2009) Advising & Grants: As Senior Chair of Excellence (2009-2014) and head of a Russian scientific school (2006-present), he has mentored numerous researchers. His ERC Synergy Grant (2019-2026) supports cutting-edge mantle geodynamics research. Labs & Teams: Currently leads research at ISTerre while maintaining collaborations with Russian Academy of Sciences and Max Planck Institute. Has directed multiple laboratories including Vernadsky Institute (2006-2011) and headed mantle magmas research section (1990-1999).

• Petrology
• Geochemistry
• Earth's Crust and Mantle Evolution
• +۳ مورد دیگر

Professor Carl Spandler is a faculty member in the School of Physics, Chemistry and Earth Sciences at the University of Adelaide, within the Faculty of Sciences, Engineering and Technology. His academic rank is Professor, and he is actively engaged in research and teaching. Research Interests: Carl specializes in petrology and geochemistry, focusing on the evolution of Earth's crust and mantle, with particular emphasis on the formation of metalliferous ore deposits containing critical metals like rare earth elements (REE). His work integrates microanalysis of trace elements and isotopes in minerals within their geological context, aiming to understand ore formation processes in Australian and global settings. Key Research Themes: Geochemical and petrological controls on critical metal enrichment in peralkaline magmas. Carbonatite-related ore systems and their tectonic settings. Fluid-rock interactions and hydrothermal processes in mineralization. Magmatic differentiation and clinopyroxene zonation as indicators of metallogenesis. Publications: His recent work highlights themes such as clinopyroxene zonation in peralkaline magmas, Proterozoic carbonatite systems, and the role of geoscience in critical mineral exploration. The articles reflect a focus on understanding magmatic-hydrothermal processes, ore genesis, and the application of advanced analytical techniques like LA-ICP-MS and geochronology. Grants & Advising: While specific grants are not detailed here, Carl's research aligns with strategic priorities in critical mineral exploration. He mentors students in petrology, geochemistry, and mineral systems analysis.

Matthias Frischeمشاهده پروفایل

پژوهشگر

• Geochemistry
• Volcanology
• Hydrothermal Systems
• +۴ مورد دیگر

Matthias Frische is a Researcher in the Magmatic and Hydrothermal Systems department at the Helmholtz Centre for Ocean Research (GEOMAR) in Kiel, Germany. With over two decades of experience since completing his mineralogy studies at Georg-August University of Göttingen, he has established himself as a specialist in geochemical analysis of hydrothermal systems and volcanic processes. His career progression from PhD researcher (2001-2005) through postdoctoral positions (2005-2010) to his current permanent research role demonstrates his expertise in marine geosciences. Frische's research focuses on the geochemical characterization of hydrothermal systems, with particular emphasis on trace element distribution in sulfide deposits, volcanic gas emissions, and halogen cycling in subduction zones. His methodological expertise includes LA-ICP-MS analysis and stable isotope measurements, with applications ranging from seafloor massive sulfide deposits to volcanic monitoring. Recent work examines hydrothermal mineralization at continental breakup zones, gold mineralization processes, and the geochemical signatures of ancient island arcs. Analysis of his recent publications (2021-2025) reveals consistent contributions to understanding hydrothermal processes across diverse geological settings including the East Pacific Rise, Indian Ocean ridges, Papua New Guinea volcanic systems, and ancient geological terrains in Tibet and Egypt. His work bridges fundamental geochemical research with practical applications in mineral exploration and understanding Earth's volatile cycles. Frische actively participates in the international scientific community through presentations at major conferences including Goldschmidt and EGU meetings. His collaborative approach is evident in his extensive co-authorship network spanning multiple continents and institutions.

Stephen Egginsمشاهده پروفایل

استاد

• Biomineralization
• Marine Geochemistry
• Oceanography
• +۵ مورد دیگر

Professor Stephen Eggins is an Honorary Professor in the Research School of Earth Sciences (RSES) at the Australian National University (ANU). He previously served as Director of RSES from 2015–2020 and held academic positions including Professor (2015–present), Senior Fellow (2007–2014), and Fellow (2001–2007). His research focuses on biomineralization processes in marine calcifiers, geochemical proxies for ocean and climate history, and the impact of ocean acidification. Eggins has extensive expertise in laser ablation ICP-MS techniques and pioneered advancements in microanalysis for environmental and archaeological applications. Education: PhD (Geochemistry, University of Tasmania, 1991), BAppSc (Hons, University of NSW, 1985). Early career included ARC postdoctoral fellowships (1991–1999) and research roles at ANU's Department of Geology and RSES. Research Interests: Novel isotope and trace element approaches to study marine calcifiers (e.g., corals, foraminifera), development of geochemical proxies for paleoenvironmental reconstructions, and investigating biomineralization mechanisms. Current projects include lab cultures of marine organisms under controlled conditions to assess shell chemistry responses to environmental changes and exploring mitigation strategies for ocean acidification. Key Projects: 'Developing ultra-green hydrogen technologies,' 'Biominerals as environmental archives,' and studies on coral reef pH dynamics and crustose coralline algae dissolution. His work integrates advanced techniques like LA-ICPMS, microCT, and isotopic markers. Teaching: Courses include EMSC1006 (Earth System Science), EMSC3023 (Marine Biogeochemistry), and EMSC3019 (Coral Reef Field Studies). Located at Jaeger Building 8, Level 3, ANU.

Michael Weberمشاهده پروفایل

پژوهشگر

• Paleoclimatology
• Isotope Geochemistry
• Speleothem Analysis
• +۳ مورد دیگر

Dr. Michael Weber is a researcher at the Institute of Geosciences, Johannes Gutenberg University Mainz, specializing in quantitative paleoclimatology using speleothem records. His work focuses on applying non-traditional stable isotopes (e.g., Ca, Sr) to reconstruct past climate conditions, particularly prior calcite precipitation (PCP) processes. He leads projects analyzing speleothems from Germany and Spain to compare interglacial climatic conditions between MIS 11 and the Holocene, emphasizing U-Th dating and multi-proxy approaches. Key research interests include speleothem geochemistry, isotopic systematics, and climate modeling. Weber has developed reference materials like NFHS-2-NP for microanalysis and contributed to global databases like SISALv3. His work bridges geological and archaeological timescales, such as dating Scladina Cave archaeological layers and studying volcanic impacts via sulfur spikes in speleothems. Education: PhD in Geosciences Laboratory affiliations: Speleothem Research Group Software contributions: StalAge, TERMITE His projects highlight interdisciplinary methodologies, combining fieldwork, lab analysis, and computational tools to advance paleoclimatic understanding.

Julien Allazمشاهده پروفایل

مدرس

• Geochemistry
• Petrology
• Mineralogy
• +۷ مورد دیگر

Dr. Julien Allaz is a Lecturer at ETH Zurich's Department of Earth and Planetary Sciences (D-EAPS). His research focuses on geochemistry, petrology, and mineralogy, with expertise in microanalytical techniques and magmatic processes. He leads the Electron Microprobe laboratory and develops tools like the De-MA.ch database for microanalysis. His work includes studies on rare earth element (REE) mineralization, metamorphic evolution, and volcanic processes. Education and Affiliations: Holds a PhD in Geosciences, with postdoctoral experience in geochemical analysis. Associated with ETH Zurich's Institute of Geochemistry and Petrology. Research Interests: REE mineralization mechanisms, melt immiscibility, microanalytical standards, and volcanic eruption dynamics. Active in teaching courses on electron microscopy and analytical methods. Publications: Over 20 peer-reviewed articles, including key contributions to Mineralium Deposita, Geochemistry, and Microscopy and Microanalysis. Focuses on advancing microprobe analysis and understanding magmatic-hydrothermal systems.

• Mineralogy
• Geochemistry
• Geometallurgy
• +۳ مورد دیگر

Professor Nigel Cook is a mineralogist-geologist at the University of Adelaide's School of Chemical Engineering, specializing in complex ore deposits, sulphide mineralogy, and geometallurgy. He holds a PhD from the University of London (1988) and has worked in Canada, Germany, and Norway. Currently a Grant-Funded Researcher (E), he leads the PRIF RCP Industry Consortium 'Unlocking Complex Resources through Lean Processing' and previously directed the ARC Research Hub for Australian Copper-Uranium. His research focuses on trace element distribution in ores, uranium mineralogy, and critical elements like rare earths. Awards include the Kutina-Smirnov Medal (2018) and recognition as Australia's leading mineralogist (2020-2023). He has advised over 30 students and contributed to projects like the Olympic Dam IOCG deposit's copper isotopic tracking. Key affiliations include the Institute for Mineral and Energy Resources and editorships of Ore Geology Reviews . His work spans ore genesis, nanomineralogy, and sustainable space resource extraction insights from terrestrial remote sites.