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Origin of the Low-Iron Igneous Series at Buldir Island, Western Aleutians
SUBDUCTION TOP TO BOTTOM: CONVERGENT MARGIN PROCESSES TRENCH TO ARC (ALEUTIANS/ALASKA AND BEYOND) II ORAL
tectonophysics | 13 december 2024
Gene M. Yogodzinski, Ryan Waldman, Owen Jensen, Mi...
The origin of calcalkaline volcanism is key to our understanding of the role of water in the formation and evolution of arc magmas. Volcanism at Buldi...
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Carbon mineralization in partially serpentinized peridotites: implication for geological carbon storage
PRINCIPLES OF GEOLOGIC STORAGE: GEOCHEMICAL INTERACTIONS, GEOMECHANICS, HYDRODYNAMICS, AND CAPROCK INTEGRITY I POSTER
mineral and rock physics | 13 december 2024
Abhishek Prakash, Jacob A. Tielke, Christine McCar...
Carbon mineralization in partially serpentinized peridotites offers a possible method for Carbon Capture and Storage (CCS), with significant potential...
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Space and time variation of mineral dissolution and precipitation around sites of CO2-rich aqueous fluid injection for geologic storage
PRINCIPLES OF GEOLOGIC STORAGE: GEOCHEMICAL INTERACTIONS, GEOMECHANICS, HYDRODYNAMICS, AND CAPROCK INTEGRITY II ORAL
mineral and rock physics | 13 december 2024
Peter B. Kelemen, James Andrew M. Leong
A long-standing concern for subsurface CO2 storage in reactive rock formations has been the potential for clogging of pore space with newly formed car...
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The H2 generation potential of Earth’s compositionally diverse igneous rocks
UNRAVELING THE MYSTERY OF NATURAL HYDROGEN OCCURRENCE AND UNLOCKING ITS POTENTIAL FOR ENERGY TRANSITION I ORAL
near surface geophysics | 12 december 2024
James Andrew M. Leong, Tucker Ely, Peter B. Keleme...
Addressing the growing demand for clean H2 is crucial for a carbon-free future. Natural H2 can be a clean and cheap alternative to industrially manufa...
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The average composition of lower continental crust is intermediate, not mafic
PROBING THE LOWER CONTINENTAL CRUST USING MULTIDISCIPLINARY APPROACHES POSTER
volcanology, geochemistry and petrology | 11 december 2024
Peter B. Kelemen, Mark D. Behn, Bradley R. Hacker
In this invited presentation and a paper in press (Kelemen, Behn & Hacker, Treatise on Geochemistry, 3rd Edition, "Average Composition & Genes...
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Combining CO2 storage via carbon mineralization with Ni & Co extraction from peridotite and serpentinite mine tailings
CRITICAL MINERALS: IDENTIFYING KNOWLEDGE GAPS AND POTENTIAL BRIDGES OF BASIC SCIENCE TO THE VALUE CHAIN OF EXPLORATION, EXTRACTION, PROCESSING, RECYCLING I ORAL
global environmental change | 11 december 2024
Peter B. Kelemen, James Andrew M. Leong, Todd Scha...
About half the Ni and Co in olivine-rich or serpentinite ore deposits is concentrated in small amounts of sulfide and/or Fe-Ni alloy minerals, extract...
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Compositional controls on the extent of carbon mobilized from subducted sedimentary rocks
STATE OF THE ARC: QUESTIONS ABOUT AND PROGRESS ON THE SUBDUCTION ZONE FACTORY II ORAL
study of earth's deep interior | 10 december 2024
James Andrew M. Leong, Peter B. Kelemen
In subduction zones, some of the carbon bound in minerals and organic materials are mobilized. The extent to which carbon is extracted from subducting...
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Formation of sulfur-rich serpentinites in the Oman ophiolite
SUBAQUEOUS OCEANIC AND CONTINENTAL HYDROTHERMAL SYSTEMS: GEOCHEMISTRY, HYDROLOGY, BIOLOGY, AND STRUCTURE II ORAL
volcanology, geochemistry and petrology | 15 december 2023
James Andrew M. Leong, Juan Carlos de Obeso, Peter...
Serpentinization occurs when water meets ultramafic rocks. It is a ubiquitous process that produces a wide range of redox conditions. A notable exampl...
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