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Fraser E. GoffView profile

Adjunct Professor

• Volcanology
• Geothermal Systems
• Geochemistry
• +4 more

Fraser E. Goff is an Adjunct Professor in the Department of Earth and Planetary Sciences at the University of New Mexico. He holds a Ph.D. from the University of California, Santa Cruz (1977). His research focuses on volcanology and geothermal systems globally, with extensive fieldwork in the Valles Caldera (New Mexico), Mexico, and the Galapagos Islands. He collaborates with institutions like Los Alamos National Lab and universities in Mexico, focusing on geothermal exploration, geochemistry, and volcanic hazard assessment. Education: Ph.D. in Geology, UC Santa Cruz, 1977 Current Roles: Adjunct Professor, Geothermal/Volcanology Researcher Research Interests: Specializes in volcanic systems' geochemical and geothermal dynamics. Key areas include: Magmatic degassing mechanisms Hydrothermal system evolution Caldera resurgence processes Applications of isotopic tracers Collaborations: Works with multidisciplinary teams across academia, government, and national labs. Recent projects analyze CO 2 emissions at Popocatépetl and geothermal systems in the Galapagos. Teaching: Co-teaches the Volcanology Summer Field Course (E&PS 451L/551L) and Advanced Volcanology (E&PS 575) . Advising: Supervises doctoral research on Valles Caldera tectonics and petrochemistry. Publications: Over 30 peer-reviewed articles since 2000, emphasizing geothermal system characterization and volcanic processes.

Karen ZieglerView profile

Academic

• Stable Isotope Geochemistry
• Planetary Science
• Meteoritics
• +3 more

Karen Ziegler is an Associate Research Professor and Senior Research Scientist III at the University of New Mexico's Institute of Meteoritics within the Department of Earth and Planetary Sciences. Her primary affiliations include the Department of Earth and Planetary Sciences (EPS) and the Institute of Meteoritics (Inst. of Meteoritics). She holds a Ph.D. in Geochemistry from the Postgraduate Research Institute for Sedimentology (PRIS), University of Reading, UK (1993). Her research focuses on stable isotope planetary- and cosmochemistry applied to meteoritics, early Solar System evolution, planetary accretion and differentiation, and Earth's core formation. Key interests include O and Si stable isotopes, novel isotope systems, and analytical techniques to understand elemental distribution in planets. She investigates processes like bioleaching of pyrite, meteorite classification (e.g., angrites, ureilites, achondrites), and cosmic ray exposure histories. Ziegler has contributed extensively to studies of Martian and lunar meteorites, asteroid differentiation, and the geochemical signatures of impact processes. Her work bridges cosmochemistry, petrology, and planetary evolution, with over 150 peer-reviewed publications since 2020 alone. Notable projects include characterization of unique meteorite finds like Fezzou 002 and Hassi el Madani 002, as well as studies of trans-Neptunian object origins in inner Solar System materials. Her lab facilities at UNM enable advanced microanalytical techniques for isotope analysis. Future work includes exploring Martian volatile element evolution and the geochemical genealogy of iron meteorites. Despite no listed awards here, her prolific publication record underscores her influence in astrogeochemistry.

Megan E. NewcombeView profile

Assistant Professor

• Volcanology
• Planetary Science
• Petrology
• +3 more

Megan E. Newcombe is an Assistant Professor in the Department of Geology at the University of Maryland . Her research focuses on experimental petrology and volcanology, particularly the controls on volcanic eruptive styles on Earth and other planetary bodies, and the quantification of volatile sources and fluxes in planetary interiors. She leads the Planetary Volcanism Laboratory , which investigates magma dynamics, volatile behavior, and planetary processes. Dr. Newcombe holds a Ph.D. in Geology from the California Institute of Technology (2016). Her work integrates laboratory experiments, field studies, and analytical techniques such as micro-CT imaging, isotope analysis, and melt inclusion studies to understand magma storage, ascent, and eruption mechanisms. She has received a National Science Foundation CAREER Award (2023) for her research on magma ascent chronometry using water-in-feldspar crystal clocks. Her research interests include: Hydrogen and water dynamics in magmas and planetary materials Volcanic eruption styles and their links to magma composition Experimental studies of volatile partitioning in minerals and melts Planetary volatile delivery and storage mechanisms Dr. Newcombe’s recent work explores the role of volatiles in driving explosive eruptions, the geochemical evolution of planetary interiors, and the application of crystal chronometry techniques to reconstruct volcanic histories. She collaborates with international teams on projects ranging from terrestrial volcanoes like Redoubt and Cerro Machín to lunar and Martian geology. Notable contributions include studies of the 2009 Redoubt eruption’s water content, the dynamics of superhydrous magmas in Colombia, and the reconstruction of volatile histories in chondritic meteorites. Her lab emphasizes interdisciplinary approaches, combining field data with experimental petrology to address fundamental questions in planetary science.

Richard J. WalkerView profile

Professor

• Geochemistry
• Cosmochemistry
• Planetary Science
• +3 more

Richard J. Walker is a Distinguished University Professor of Geology at the University of Maryland, College Park. He holds the position of faculty in the Department of Geology, contributing extensively to research in isotope geochemistry and cosmochemistry. His work focuses on the chemical evolution of Earth's mantle, early Solar System planetesimal formation, and differentiation histories of planetary bodies such as Earth, the Moon, and Mars. Walker's research employs radiogenic isotopes and trace elements to address fundamental questions about planetary accretion and differentiation. Education: Ph.D. in Geology from the State University of New York at Stony Brook (1984), M.S. (1981), and B.S. from the College of William and Mary (1979). He leads the Isotope Geochemistry Laboratory, which houses advanced mass spectrometry facilities for high-precision isotopic analysis. His research group investigates topics including tungsten-182 (182W) isotopes, osmium isotopes, and the geochemical signatures of mantle plumes and kimberlites. Research Highlights: His studies on 182W isotopes revealed insights into early Earth processes, such as core formation and late accretion. He has explored mantle heterogeneity through analyses of ocean island basalts, komatiites, and kimberlites, linking isotopic anomalies to primordial mantle reservoirs. Collaborative projects include investigations of the North China Craton's lithospheric mantle and the genetic origins of iron meteorites. Grants and Funding: Walker has secured numerous grants from NASA, NSF, and other agencies, supporting projects like the development of analytical techniques for tungsten isotopes and studies of planetary materials. His work has spanned decades, contributing to over 150 publications and mentoring numerous graduate and undergraduate students. Labs/Teams: Director of the Isotope Geochemistry Laboratory at UMD, collaborating with international researchers on projects ranging from lunar sample analysis to the geochemistry of asteroid samples returned by missions like Hayabusa2.

Katy EvansView profile

Professor

• Geochemistry
• Geology
• Fluid-Rock Interaction
• +5 more

Professor Katy Evans is a prominent academic in the School of Earth and Planetary Sciences at Curtin University, part of the Faculty of Science and Engineering. Her research focuses on fluid-rock interaction processes in diverse environments, including contaminated mine waters and deep Earth melt formation. She leads or co-leads projects totaling over $28 million since 2017, managing multiple initiatives such as the MRIWA-funded project and the Murujuga Rock Art Monitoring Project. As facility leader of the Curtin Experimental Geochemistry laboratory, she drives advanced geochemical research. Her expertise spans subduction zone geochemistry, metamorphic petrology, and ore deposit formation. Professional activities include editorial roles and international collaborations. Research Interests : Fluid-rock interaction, serpentinization, subduction zone geochemistry, metamorphic processes, ore deposit formation, isotope geochemistry, and experimental geochemistry. Her work bridges field observations, laboratory experiments, and theoretical modeling to understand Earth’s dynamic systems. Recent Trends in Publications : Prof. Evans' recent studies emphasize thermodynamic modeling of subduction zone processes, laser-based analytical techniques (e.g., atom probe tomography), and the role of colloids in gold transport. Her work on bio-mediated nitrogen cycling in serpentinites explores links between geochemistry and early life origins. Collaborative projects with institutions globally address pressing challenges in environmental geochemistry and resource exploration. Grants & Projects : Lead CI on MRIWA project 470a ($1.02 million), Australian Research Council grants, and industry partnerships. Projects often integrate experimental facilities like the Curtin lab to address real-world applications such as mine water contamination and geothermal energy. Lab/Team : Leads the Curtin Experimental Geochemistry lab, fostering interdisciplinary research in mineral chemistry, fluid dynamics, and isotope systems. The lab supports both fundamental and applied geochemical studies.

• Planetary Science
• Lunar Geology
• Martian Geology
• +7 more

Professor Alexander Nemchin is an Adjunct Professor at the School of Earth and Planetary Sciences within the Faculty of Science and Engineering at Curtin University. His research focuses on planetary science, particularly lunar and Martian geology, utilizing advanced geochemical and isotopic techniques to understand the formation and evolution of planetary bodies. He maintains an active research program with numerous recent publications in high-impact journals. Nemchin's research interests center on planetary geochemistry, with particular emphasis on lunar geology, Martian geology, and early solar system formation. His work employs U-Pb dating techniques, zircon analysis, and isotope systematics to unravel the chronology and processes of planetary differentiation. He has made significant contributions to understanding lunar volcanism, impact cratering history, and the early evolution of the Moon and Mars through analysis of meteorites, lunar samples, and returned mission data. His recent publications demonstrate a consistent focus on lunar science, with particular attention to samples from recent missions like Chang'e-5 and historical Apollo samples. The research spans multiple disciplines including geochemistry, planetary science, and geochronology, with an emphasis on understanding the timing of major events in lunar history. His work often involves international collaborations with researchers from various institutions worldwide, reflecting the global nature of planetary science research. Nemchin's research has been published in leading journals including Science , Nature , Geochimica et Cosmochimica Acta , and Earth and Planetary Science Letters . His work contributes significantly to our understanding of planetary formation processes, lunar volcanism, and the early history of the Earth-Moon system.

Ian FitzsimonsView profile

Professor

• Metamorphic Petrology
• Geochemistry
• Tectonics
• +6 more

Professor Ian Fitzsimons is a faculty member at Curtin University, holding the position of Professor in the School of Earth and Planetary Sciences within the Faculty of Science and Engineering. He joined Curtin in 1998 as a lecturer, transitioning through roles such as Deputy Director of the Tectonics Special Research Centre, Head of the Department of Applied Geology (2005–2009), Acting Director of the Western Australian School of Mines (2010), and Head of the School of Earth and Planetary Sciences (2018–2024). His academic credentials include a first-class Honours degree in Natural Sciences from the University of Cambridge and a PhD from the University of Edinburgh (1992), focusing on Antarctic granulites. His research focuses on metamorphic petrology, geochemistry, and tectonics, with expertise in high-grade metamorphic systems, crustal evolution, and Proterozoic supercontinents. He has conducted fieldwork in Antarctica, Madagascar, India, and Australia, contributing to understanding continental collision processes and supercontinent assembly. Notable achievements include the 2017 FL Stillwell Award and multiple teaching excellence awards. Education : PhD in Geology, University of Edinburgh (1992) B.A. (Honours) in Natural Sciences, University of Cambridge Research Interests : Metamorphic petrology and geochemistry High-grade metamorphism and volatile behavior Continental crust evolution and tectonics Proterozoic supercontinent dynamics Teaching : Undergraduate: Fundamentals of Geology, Field Geology Techniques Postgraduate: Geological Concepts, Geoscience Exploration Project Coordinator of the Graduate Diploma in Mineral Exploration Geoscience His publications span metamorphic processes, detrital zircon analysis, and tectonic correlations across Antarctica, Madagascar, and Australia. He has advised numerous students and contributed to national geoscience curricula. Current research emphasizes U–Pb geochronology, detrital zircon provenance, and crustal evolution in Precambrian terranes.

• Experimental Petrology
• Geochemistry
• High Pressure Research
• +7 more

Stephan Klemme is a Professor at the Institute for Mineralogy within the Faculty of Geosciences at the University of Münster. His research focuses on experimental petrology and geochemistry, with particular emphasis on igneous processes on Earth and terrestrial planets. He leads a research group conducting high-pressure, high-temperature experiments to simulate rock formation processes in planetary interiors. Institute for Mineralogy - Mineralogy Institute for Mineralogy - Experimental Petrology Institute for Mineralogy - Geochemistry Dr. Klemme's research interests center around advancing our understanding of igneous processes through experimental simulation. His laboratory houses sophisticated equipment including piston-cylinder apparatus (up to 4 GPa, 1800°C), a 1000t multi-anvil apparatus (up to 20 GPa, >2000°C), gas-mixing furnaces, and hydrothermal apparatus. His work spans multiple domains including phase relations in Earth's upper mantle, thermodynamic modeling of mantle compositions, redox effects on partial melting, subduction zone processes, ore genesis, and experimental planetary science including core formation simulations. His recent publications (2021-2025) demonstrate a strong focus on both terrestrial and planetary systems, with particular attention to volatile elements, trace element partitioning, and the behavior of metals under extreme conditions. The research shows increasing integration of advanced analytical techniques like in situ X-ray absorption spectroscopy and laser ablation ICP-MS, reflecting methodological evolution in the field. Dr. Klemme has secured numerous research projects, primarily funded by the German Research Foundation (DFG) and European Union programs, indicating strong recognition of his research program. His work spans fundamental mineral physics to applied ore deposit formation studies. His teaching portfolio includes courses in crystallography, igneous petrology, mineralogy, and field trips to locations including Scotland, Cyprus, and the Azores. He has taught continuously since 2005, with German-language courses since 2008.

• Cometary Science
• Infrared Spectroscopy
• Planetary Science
• +3 more

M. DiSanti and B. Bonev are researchers affiliated with NASA's Goddard Space Flight Center whose work is featured in the University of Missouri, St. Louis Physics Faculty Works repository. Their research focuses on analyzing the chemical composition of comets using infrared spectroscopy techniques at facilities like Keck II and NASA IRTF. Their research interests center on cometary science, particularly the molecular composition and evolution of comets as they approach the Sun. They specialize in measuring production rates of water and trace molecules (including CO, C2H6, CH4, CH3OH, NH3, H2CO, HCN, C2H2) in various comets at different heliocentric distances. Their work provides critical insights into the formation conditions of the early solar system through analysis of primordial ices preserved in comets. Analysis of their publications reveals a consistent focus on infrared spectroscopic observations of cometary ices, with particular attention to how molecular abundances change as comets approach perihelion. Their research demonstrates that certain molecules like CO, C2H6, and CH4 maintain relatively constant abundance ratios with water across different heliocentric distances, while others like NH3, H2CO, and HCN show significant enrichment within 0.5 AU of the Sun, suggesting different formation temperatures and evolutionary processes. Both researchers have been active participants in major comet observation campaigns including studies of Comet ISON (C/2012 S1), 73P/Schwassmann-Wachmann 3, and 103P/Hartley 2 (EPOXI mission). Their collaborative work often involves international teams of scientists conducting observations across multiple facilities to obtain comprehensive datasets on cometary composition and activity.

• Cometary Science
• Astrophysics
• Infrared Spectroscopy
• +4 more

M. Mumma and B. Bonev are faculty members in the Department of Physics at the University of Missouri-St. Louis with research affiliations at NASA's Goddard Space Flight Center. Their collaborative work focuses on high-dispersion infrared spectroscopy of cometary volatiles, examining the chemical composition and evolution of comets as they approach the Sun. Research interests include: Measurement of primary volatiles (H 2 O, HCN, CH 4 , C 2 H 6 , CH 3 OH) and product species in cometary comae Spatial and temporal variations in gas release mechanisms Comparative analysis of different comet families (Jupiter-family, Oort cloud) Evolution of ice composition in cometary nuclei Relationship between nucleus rotation and volatile production Their publication record demonstrates consistent focus on infrared spectroscopic analysis of comets across multiple apparitions. Key findings include the discovery of well-defined ensemble average composition of gas released from comet nuclei and evidence for separate polar and apolar ice phases in cometary nuclei. Their work provides critical insights into the formation conditions of the early solar system through analysis of preserved primordial materials. Both researchers maintain strong collaborative networks with institutions including University of Hawaii, California Institute of Technology, and Max Planck Society, particularly through NASA missions like EPOXI. Their research program bridges observational astronomy, planetary science, and molecular spectroscopy to address fundamental questions about solar system formation.

• Cosmochemistry
• Experimental Petrology
• Magmatology
• +3 more

Laurent Tissandier is a CNRS Research Engineer at the University of Lorraine , affiliated with the Centre de Recherches Pétrographiques et Géochimiques (CRPG UMR 7358 CNRS-UL) . His career spans experimental petrology, cosmochemistry, and magmatology, focusing on isotope fractionation, volatile element behavior, and magmatic processes in planetary and terrestrial contexts. Education: PhD (2002) and DEA (1995) from INPL Nancy, specializing in high-temperature volatilization of alkalis and boron in silicate melts. Tissandier’s research centers on experimental simulations of early solar system processes, including gas-melt interactions in chondrules, noble gas diffusion in silicate melts, and isotopic fractionation during metal-silicate separation. His work employs advanced techniques like SIMS analysis and high-temperature/low-fO 2 experiments to study magmatic and cosmochemical systems. His recent publications highlight trends in cosmochemical modeling , isotopic equilibria , and volatile element partitioning across planetary and terrestrial melts. Key topics include sulfur and germanium isotope fractionation, uranium solubility in glasses, and noble gas behavior in organic solids. At CRPG, Tissandier contributes to understanding planetesimal differentiation, chondrule formation, and isotopic signatures in meteorites. He collaborates with teams on projects like magmatic sulfides in enstatite chondrites and hydrothermal alteration in CM chondrites.

• Geochemistry
• Planetary Science
• Isotope Geochemistry
• +5 more

Jean-Alix BARRAT is a University Professor at the University of Western Brittany and a researcher at the LEMAR Laboratory. His work focuses on geochemistry, planetary science, and environmental pollution, particularly through the study of rare earth elements, meteorites, and isotopic compositions. University of Western Brittany LEMAR Laboratory His research interests include: Trace element analysis in environmental systems Geochemical studies of Martian and other planetary meteorites Isotopic variations in primitive planetary bodies Environmental contamination by rare earth elements Impact processes and tektite formation Mantle plume geochemistry Recent publications highlight his contributions to understanding: Rare earth element dynamics in beers and biological systems New meteorite discoveries (CI1, aubrites, H-chondrites) Isotopic constraints on solar system evolution Trace element redistribution in marine and terrestrial environments Volatiles and noble gas signatures in planetary bodies Contact: barrat@univ-brest.fr

Penelope L. KingView profile

Professor

• Geochemistry
• Planetary Science
• Volcanology
• +3 more

Penelope L. King is a Professor at the Research School of Earth Sciences (RSES) at The Australian National University (ANU). She has held significant roles, including Associate Dean (Research) in the College of Science (2021–2023) and Senior Fellow with the Institute for Climate, Energy & Disaster Solutions (ICEDS). Her research focuses on planetary geochemistry, particularly volatile species (C-O-H-S) in planetary systems, with extensive contributions to Mars exploration via the Curiosity rover's APXS instrument. She is a Fellow of the Geochemical Society, AGU, and MSA, and has received prestigious awards like the AGU Joanne Simpson Medal (2019) and NASA Group Award for MSL (2013, 2015). Educated at ANU, she holds a PhD (Geosciences) and a Bachelor of Science (Geology). Her work bridges experimental petrology, spectroscopy, and field studies, addressing planetary atmospheres, mineral formation, and climate regulation. She has led international collaborations, including roles in the Mars Science Laboratory and advisory boards for NASA and the National Research Council. Her recent projects include studying geochemical fractionation in planetary crusts and developing methods for mineral carbonation. King has supervised numerous research students and edited key journals like Geochimica et Cosmochimica Acta . Her groundbreaking studies on Mars' sulfur mobility, lunar volcanic degassing, and heritage material conservation highlight her interdisciplinary impact. She is a vocal advocate for equity and diversity in academia, recognized by the Clare Burton Award (2017).

Peter John HuybersView profile

Professor

• Climate Science
• Environmental Science and Engineering
• Paleoclimatology
• +3 more

Peter John Huybers is a Professor of Earth and Planetary Sciences and Environmental Science and Engineering at Harvard University, serving as Chair of the Department of Earth and Planetary Sciences. He holds the position of Interim Faculty Dean at Kirkland House. His research focuses on climate science, paleoclimatology, and environmental systems, with a particular emphasis on understanding climate variability and its impacts on ecosystems and human societies. His educational background includes advanced training in geophysics and climate dynamics, though specific degree details are not explicitly listed in the provided materials. Huybers has advised numerous PhD students, including recent graduates such as Aleyda Trevino (2023) and Ted Amdur (2023), and maintains a research group with staff members like Greta Berendes and Caro Park. His work frequently addresses pressing issues like climate change impacts on crop yields, soil moisture trends, and historical climate reconstruction. Key funding includes a project on 'Climate change and volatility in food supply' supported by Amazon Web Services and the Harvard Data Science Initiative. Recent publications highlight interdisciplinary approaches, such as analyzing 19th-century air pollution through paintings and improving hurricane models using corrected sea surface temperature data. Huybers teaches courses like Paleoclimate as Prologue (EPS139/230) and Human Environmental Data Science (EPS/ESE168), emphasizing quantitative methods and real-world data analysis. His lab’s research spans topics from glacial cycles to modern environmental data science, reflecting his commitment to bridging geophysical and societal challenges.

Jeffrey GillisView profile

Research Professor

• Meteorites
• Space Weathering
• Planetary Science
• +3 more

Jeffrey Gillis is a Research Professor of Physics at Washington University in St. Louis, specializing in planetary science and space weathering. He leads the Interdisciplinary Consortium for Evaluating Volatile Origins (ICE Five-O), a NASA-funded initiative investigating water and volatiles on the Moon and Mercury. His research combines experimental simulations (e.g., laser-induced space weathering), remote sensing, and sample analysis to understand planetary surface processes. Education: PhD in Physics from Rice University; BS in Physics from University of Massachusetts Amherst His research interests focus on meteorites, lunar and Mercurian geology, space weathering effects, and planetary volatiles. He has contributed to NASA missions such as Lunar Reconnaissance Orbiter, MESSENGER, and Clementine. Key achievements include developing experimental methods to replicate micrometeorite impacts and uncovering chemical transformations in planetary regolith. Dr. Gillis collaborates internationally, leading teams to study ice distribution on airless bodies and advancing technologies for lunar exploration. His work bridges planetary geology, materials science, and astrophysics.