V44A:
The Nature of Magma Reservoirs III

Submit an Abstract to this Session Please know the abstract submission deadline has passed. There are no exceptions to this deadline and no new abstracts can be submitted.
You can still search the program to see your colleague�s abstract submissions as well as the sessions submitted for the 2016 Fall Meeting. The final program will be released in early October.


Session ID#: 18228

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 Jamie Farrell, University of Utah, Department of Geology and Geophysics, Salt Lake City, United States
OSPA Liaison:  John M Bartley, University of Utah, Salt Lake City, UT, 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 Meaning of “Magma” (168624)
John M Bartley, University of Utah, Salt Lake City, UT, United States, Allen F Glazner, University of North Carolina at Chapel Hill, Earth, Marine and Environmental Sciences, Chapel Hill, United States and Drew Steven Coleman, Univ North Carolina, Chapel Hill, United States
Magma Reservoirs: How Well do We Know Them, Why Does it Matter, and How Can We Do Better? (Invited) (138696)
Jacob B. Lowenstern, USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States, Thomas W Sisson, USGS California Volcano Observatory, Menlo Park, CA, United States and Shaul Hurwitz, U.S. Geological Survey Volcano Science Center, Moffett Field, United States
The Magma Reservoir Under Bárdarbunga, Constraints from 2014-2015 Caldera Collapse (192900)
Magnus Tumi Gudmundsson1, Andrew J Hooper2, Freysteinn Sigmundsson3, Olgeir Sigmarsson4, Saemundur A Halldorsson5, Kristin Jonsdottir6, Kristin S Vogfjord6, Eoghan Patrick Holohan7, Benedikt Ofeigsson6, Martin Hensch8, Gunnar Guðmundsson9, Pall Einarsson1, Michelle Parks1, Thordis Hognadottir10, Alexander H. Jarosch10, Kristjan Jonasson11, Eyjólfur Magnússon10, Sigrun Hreinsdottir12, Marco Bagnardi13, Finnur Pálsson10, Simone Cesca7, Thomas R Walter14, Torsten Dahm7, Sara Barsotti6, Vala Hjorleifsdottir15, Melissa A Pfeffer6 and Tobias Dürig10, (1)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (2)University of Leeds, COMET, School of Earth and Environment, Leeds, United Kingdom, (3)University of Iceland, Institute of Earth Sciences, Nordic Volcanological Center, Reykjavik, Iceland, (4)Laboratoire Magmas et Volcans, Université Blaise Pascal, CNRS, Clermont-Ferrand Cedex, France, (5)University of Iceland, Reykjavik, Iceland, (6)Icelandic Meteorological Office, Reykjavik, Iceland, (7)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (8)Regierungspräsidium Freiburg, Geological Survey of Baden-Württemberg, State Seismological Service, Freiburg, Germany, (9)Icelandic Met Office, Reykjavik, Iceland, (10)University of Iceland, Institute of Earth Sciences, Reykjavik, Iceland, (11)University of Iceland, Department of Computer Sciences, Reykjavik, Iceland, (12)GNS Science, Lower Hutt, New Zealand, (13)University of Leeds, COMET, School of Earth and Environment, Leeds, LS2, United Kingdom, (14)GFZ German Research Centre for Geosciences, Potsdam, Germany, (15)National Autonomous University of Mexico, Ciudad DE Armería, Mexico
Development of a Three-Dimensional Geologic Model of the Long Valley Volcanic System, California, Using Magnetotellurics (168896)
Jared Peacock, USGS, Baltimore, MD, United States and Margaret Mangan, USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States
Seismic Imaging of a Magma Plumbing System from MASH Zone to Magma Reservoir (127324)
Jonathan R Delph, Purdue University, Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, Kevin Michael Ward, University of Arizona, Tucson, AZ, United States, George Zandt, Retired, Washington, DC, United States, Mihai Nicolae Ducea, University of Arizona, Geosciences, Tucson, United States and Susan L Beck, University of Arizona, Department of Geosciences, Tucson, AZ, United States
A Problem For the Mush Model: Mismatch Between Trace Element Patterns Of Rhyolites And Dacite Matrix Glass (164738)
Allen F Glazner, University of North Carolina at Chapel Hill, Earth, Marine and Environmental Sciences, Chapel Hill, United States and Gerhard Wörner, University of Göttingen, Geochemistry and Isotope Geology, Göttingen, Germany
Rheologic Controls on the Characterization and Interpretation of Magma Chamber Deformation for Okmok Volcano, Alaska. (169318)
Tim Masterlark1, Theodore Donovan1, Kurt L Feigl2, Matthew M Haney3, Elena C. Reinisch4, Clifford H Thurber5 and Sui Tung1, (1)South Dakota School of Mines and Technology, Rapid City, SD, United States, (2)University of Wisconsin Madison, Department of Geoscience, Madison, WI, United States, (3)U.S. Geological Survey Alaska Volcano Observatory, Anchorage, AK, United States, (4)University of Wisconsin-Madison, Geoscience, Madison, WI, United States, (5)University of Wisconsin-Madison, Department of Geoscience, Madison, United States

See more of: Volcanology, Geochemistry and Petrology