V43G:
The Nature of Magma Reservoirs II

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Session ID#: 18223

Session Description:
The concept of magma reservoirs arises in disciplines as diverse as igneous petrology, volcanology, seismology, geodesy, and structural geology, but what constitutes such a reservoir is not well defined. The petrological concept of large convecting magma chambers is difficult to reconcile with geophysical images of active magma systems, and the fraction of a crustal volume that must be liquid for that volume to be considered magma varies from discipline to discipline. We invite contributions that deal with physical and chemical aspects of magma reservoirs, including effects of partial melt percentage and distribution on seismic and electrical properties; reconciliation of field observations from plutonic systems with physical properties of modern systems; and interpretation of volcanic seismicity and surface deformation in terms of physical processes.
Primary Convener:  Allen F Glazner, University of North Carolina at Chapel Hill, Earth, Marine and Environmental Sciences, Chapel Hill, United States
Conveners:  John M Bartley, University of Utah, Salt Lake City, UT, United States and Jamie Farrell, University of Utah, Department of Geology and Geophysics, Salt Lake City, United States
Chairs:  Allen F Glazner, University of North Carolina at Chapel Hill, Earth, Marine and Environmental Sciences, Chapel Hill, United States and John M Bartley, University of Utah, Salt Lake City, UT, United States
OSPA Liaison:  Jamie Farrell, University of Utah, Department of Geology and Geophysics, Salt Lake City, United States
Co-Organized with:
Volcanology, Geochemistry and Petrology, and Seismology

Cross-Listed:
  • G - Geodesy
  • T - Tectonophysics

Proposed Co-Organized Session with:
  • S - Seismology
Index Terms:

1211 Non-tectonic deformation [GEODESY AND GRAVITY]
7280 Volcano seismology [SEISMOLOGY]
8145 Physics of magma and magma bodies [TECTONOPHYSICS]
8439 Physics and chemistry of magma bodies [VOLCANOLOGY]

Abstracts Submitted to this Session:

The Yellowstone Crustal Magmatic System: What we Know and What we Don’t Know (187474)
Robert B Smith, University of Utah, Geology & Geophysics, Salt Lake City, UT, United States and Jamie Farrell, University of Utah, Department of Geology and Geophysics, Salt Lake City, United States
The Role and Behavior of Exsolved Volatiles in Magma Reservoirs (Invited) (120095)
Marie Edmonds, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom and Andrew Woods, University of Cambridge, Earth Sciences, BP Institute, Cambridge, United Kingdom
Electromagnetic imaging of crustal magma bodies (169536)
Martyn Jonathan Unsworth, University of Alberta, Department of Physics, Edmonton, AB, Canada
Magmas on the Move: in situ 4D Experimental Investigation into the Rheology and Mobility of Three-Phase Magmas Using Ultra Fast X-ray Tomography (156275)
Katherine J Dobson1, Fabian B Wadsworth2, Danilo Di Genova2, Stephan Kolzenburg3, Jeremie Vasseur2, Federica Marone4 and Donald B Dingwell3, (1)University of Strathclyde, Department of Earth Sciences, Glasgow, United Kingdom, (2)Ludwig Maximilians University of Munich, Munich, Germany, (3)Ludwig Maximilians University of Munich, Department of Earth and Environmental Sciences, Munich, Germany, (4)Swiss Light Source - PSI, Villigen, Switzerland
Thermal structure surrounding the rhyolite magma chamber encountered by IDDP-1, Krafla, Iceland (169703)
Michael Baranowski1, Tim Masterlark1 and John C Eichelberger2, (1)South Dakota School of Mines and Technology, Rapid City, SD, United States, (2)University of Alaska Fairbanks, Alaska Center for Energy and Power, Fairbanks, United States
Sources and assembly of diverse rhyolitic magmas in a hotspot environment inferred from microanalysis of zircon isotopes (197969)
Dylan Colon, University of Oregon, Earth Sciences, Eugene, OR, United States, Ilya Bindeman, University of Oregon, Department of Earth Sciences, Eugene, OR, United States, Eric H Christiansen, Brigham Young University, Geological Sciences, Provo, UT, United States, Richard A Stern, University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada and Jörn-Frederik Wotzlaw, University of Geneva, Geneva, Switzerland
3D Vp travel time tomography of the iMUSH active source seismic data (184166)
Eric Kiser1, Alan Levander2, Colin Andrew Zelt3, Imma Palomeras4, Kenneth C Creager5, Carl W Ulberg6, Geoffrey A Abers7, Geoffrey A Abers7, Kayla Crosbie7, Brandon Schmandt8, Steven M Hansen9 and Steve H Harder10, (1)University of Arizona, Department of Geosciences, Tucson, United States, (2)Rice University, Earth, Environmental, and Planetary Science, Houston, TX, United States, (3)Rice University, Earth Science, Houston, TX, United States, (4)Rice University, Earth Science Department, Houston, United States, (5)Applied Physics Laboratory University of Washington, Seattle, WA, United States, (6)University of Washington Seattle Campus, Seattle, WA, United States, (7)Cornell University, Ithaca, NY, United States, (8)University of New Mexico, Department of Earth and Planetary Sciences, Albuquerque, United States, (9)University of New Mexico Main Campus, Albuquerque, NM, United States, (10)University of Texas at El Paso, El Paso, TX, United States
Magma Reservoirs from the Perspective of Supervolcanoes and Granitic Plutons: “Big Red Blobs” and “Balloons and Soda Straws” are Real (181830)
Eric H Christiansen, Brigham Young University, Geological Sciences, Provo, UT, United States

See more of: Volcanology, Geochemistry and Petrology