PK
Member Since 1986
Peter B. Kelemen
Professor, Columbia University
AGU Research
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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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Deciphering intra-oceanic and continental arc mantle xenoliths oxidation record
EXPLORING EARTH’S EVOLUTION: THE HADEAN THROUGH THE PRESENT I POSTER
study of earth's deep interior | 14 december 2023
Amol D. Sawant, Peter B. Kelemen
Both intra-oceanic and continental arc magmas record oxygen fugacity (fO2) nearly 1 log unit higher than the fayalite-magnetite-quartz (FMQ) buffer, w...
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Average composition & genesis of the continental lower crust: Density sorting beneath arcs and continental collision zones
THE FATE OF THE LITHOSPHERE DURING CONTINENTAL COLLISION: SLAB DEFORMATION, LITHOSPHERIC REMOVAL, AND TECTONIC SEGMENTATION IN ACTIVE OROGENIC SYSTEMS III POSTER
tectonophysics | 14 december 2023
Peter B. Kelemen, Mark D. Behn, Bradley R. Hacker
We combine area- & volume-weighted average seismic wave speeds of lower continental crust (LCC) with thermodynamic calculations of mineral proport...
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Characterizing the Carbon Storage and Mineralization Potential of Newberry Volcano Basalts
CARBON CYCLING AND SEQUESTRATION IN GEOLOGIC AND WET ECOSYSTEMS: DATA, MODELS, GAPS, AND OPPORTUNITIES I POSTER
global environmental change | 13 december 2023
ZUHAO KOU, Tianxiao Shen, Lydia Futrell, Shaina Ke...
Geological storage of CO2 (GSC) has emerged as a promising method for mitigating atmospheric CO2 emissions. Among the various carbon trapping mechanis...
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Viscous earthquakes
FROM A SINGLE CRYSTAL ON UP: IN HONOR OF DAVID KOHLSTEDT'S CAREER II POSTER
mineral and rock physics | 13 december 2023
Peter B. Kelemen, David L. Goldsby, Greg Hirth, Ca...
Following earlier work [1-6], our simple models of viscous earthquakes involve runaway shear heating and/or strain localization in a variety of geolog...
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Stable and Unstable Shear within Carbonate Shear Zones in Altered Subducting Plates and Overlying Mantle: Viscous Earthquakes and Intermediate-Depth Seismicity
FROM A SINGLE CRYSTAL ON UP: IN HONOR OF DAVID KOHLSTEDT'S CAREER II POSTER
mineral and rock physics | 13 december 2023
Abhishek Prakash, Caleb W. Holyoke, Peter B. Kelem...
We test a model of intermediate-depth earthquakes in subduction zones based on shear localization, shear heating, and runaway creep within thin carbon...
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Dynamic controls on subsurface H2 availability during active low-temperature serpentinization
UNRAVELING THE MYSTERY OF NATURAL HYDROGEN OCCURRENCE AND UNLOCKING ITS POTENTIAL I ORAL
near surface geophysics | 11 december 2023
Alexis S. Templeton, Eric T. Ellison, Eric S. Boyd...
There is intense interest in the possible scale of clean energy sources such as Geological Hydrogen produced through water rock reactions in subsurfac...
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An Examination of Soil Crusts on the Floor of Jezero Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
06 october 2023
Elisabeth Hausrath, Christopher T. Adcock, Andreas...
Martian soils are critically important for understanding the history of Mars, past potentially habitable environments, returned samples, and future...