DG
Member Since 1983
Dennis Geist
Retired, Retired
Professional Experience
Retired
Retired
2022 - Present
National Science Foundation
Program Director
2015 - 2022
University of Idaho
Professor
1990 - 2015
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Education
Doctorate
1985
Current Roles
Member
Volcanology, Geochemistry, and Petrology Fellows Committee
Publications
Integrated Petrological and Geophysical Constraints on Magma System Architecture in the Western Gala...
The 2015 eruption of Wolf volcano was one of the largest eruptions in the Galápagos Islands since the onset of routine satellite‐based v...
December 28, 2018
Stress Triggering of the 2005 Eruption of Sierra Negra Volca...
December 27, 2018
Characterization and Petrological Constraints of the Midlith...
October 20, 2015
AGU Abstracts
Submarine Volcanic Terraces at the Base of the Galápagos Archipelago - New Field Studies Using Alvin and Multibeam Mapping
MODERN SUBMARINE VOLCANISM AND ITS IMPACTS I POSTER
volcanology, geochemistry and petrology | 14 december 2023
Darin M. Schwartz, Janine Andrys, Dennis Geist, Sh...
The Galápagos Archipelago is unique among other similar-sized volcanic chains sourced by hotspot volcanism because its islands are positioned ato...
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Novel stable isotope constraints on mantle mineralogical heterogeneity and the evolution of mantle plumes
PROCESSES AND IMPACTS OF CRUSTAL RECYCLING: INSIGHTS FROM NONTRADITIONAL STABLE ISOTOPES II ORAL
volcanology, geochemistry and petrology | 15 december 2022
Helen M. Williams, Caroline Soderman, Simon Matthe...
Many studies of transition metal stable isotope systems have exploited variations in mineral- and redox-specific equilibrium fractionation effects to ...
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Submarine Volcanism in the Galápagos Archipelago: Tectonic Controls
FOCUSED OBSERVATIONS OF RIDGE NEAR-AXIS REMOTE AND IN SITU INVESTIGATIONS: MAGMATIC, VOLCANIC, HYDROTHERMAL, AND BIOLOGICAL PROCESSES II ORAL
volcanology, geochemistry and petrology | 15 december 2021
Karen S. Harpp, Dennis Geist, Daniel J. Fornari
Over the past few decades, high-resolution bathymetric and sonar-reflection surveys have revealed that the ocean floor around the Galápagos encompasse...
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Volunteer Experience
2020 - 2026
Member
Volcanology, Geochemistry, and Petrology Fellows Committee
2022 - 2023
Member
Volcanology, Geochemistry, and Petrology Fellows Committee
Check out all of Dennis Geist’s AGU Research!
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