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GSA 2017 ANNUAL MEETING & EXPOSITION
.ECONOMIC GEOLOGY Fluids contribute to subduction zone complexity by dynami-
cally weakening rocks, transferring fluid-mobile elements, and
T148. System-Scale Zonation of Ore Systems: Insights influencing seismic cycles. Our session seeks geologic, geochemi-
into 3D Architecture from Lateral and Deep Exposures cal, geophysical, or other studies of fluids and how they impact
Due to Mining and Structural Deformation subduction through time/space.
Cosponsors: GSA Structural Geology and Tectonics Division; T152. Fluids and Melts in Geologic Systems
GSA Mineralogy, Geochemistry, Petrology, and Volcanology
Division; Society of Economic Geologists Disciplines: Geochemistry, Petrology, Igneous, Economic Geology
Disciplines: Economic Geology, Geochemistry, Structural Geology Advocates: Pilar Lecumberri-Sanchez; Matthew Steele-
MacInnis; András Fall; Rosario Esposito
Advocates: Carson A. Richardson; Simone E. Runyon;
Eric Seedorff Geochemical processes are commonly related, with fluid-fluid
and fluid-rock interaction. This session will focus on the physico-
This session focuses on recent advances in the understanding chemical evolution of melts and fluids in relationship with pro-
of the genesis and evolution of magmatic-hydrothermal systems cesses such as magmatic degassing, ore deposit formation, and
and ore deposits from three-dimensional exposures due to defor- oil migration.
mation (e.g., normal faulting and tilting), drilling, and mining.
T153. Geochemical and Petrologic Forensics in the Study of
.GEOCHEMISTRY Earth’s Magmatism: A Tribute to the Distinguished Career of
Jon Davidson (1959–2016)
T149. Celebrating Dr. John W. Valley’s Contributions to
Isotope Geochemistry and Beyond, from the Hadean to Cosponsor: GSA Mineralogy, Geochemistry, Petrology, and
the Holocene Volcanology Division
Cosponsors: GSA Mineralogy, Geochemistry, Petrology, and Disciplines: Geochemistry, Petrology, Igneous, Volcanology
Volcanology Division; GSA Planetary Geology Division;
Mineralogical Society of America; Geochemical Society; Advocates: Shanaka de Silva; James Beard; Marjorie Wilson;
Microanalysis Society; GSA Sedimentary Geology Division Valbone Memeti; John A. Wolff
Disciplines: Geochemistry, Petrology, Igneous, Petrology, This session honors Jon Davidson as the recipient of the 2017
Metamorphic Distinguished Career Mineralogy, Geochemistry, Petrology,
and Volcanology (MGPV) Award. Contributions are welcomed
Advocates: Aaron J. Cavosie; Jade Star Lackey; William H. Peck that celebrate Jon and his influence on our understanding of
Earth’s magmatism.
We seek contributions highlighting the illustrious and ongoing
career of Dr. John W. Valley, who has advanced applications of T154. Imaging the Rock and Fluid Interactions of Geologic
isotope geochemistry in igneous, metamorphic, and sedimentary Carbon Sequestration
petrology, planetary science, paleoclimatology, gemology, astrobi-
ology, and other disciplines. Cosponsors: GSA Hydrogeology Division; GSA Energy Geology
Division; GSA Environmental and Engineering Geology Division
T150. Chemical Scene Investigations of Large Igneous
Provinces II Disciplines: Geochemistry, Hydrogeology, Mineralogy/
Crystallography
Cosponsor: GSA Mineralogy, Geochemistry, Petrology, and
Volcanology Division Advocates: Laura E. Dalton; Dustin Crandall; Jennifer Druhan;
Brian R. Ellis; Thomas McGuire
Disciplines: Geochemistry, Petrology, Igneous, Economic Geology
This session aims to exemplify how various imaging techniques
Advocates: Cole G. Kingsbury; Richard E. Ernst can be applied to further our understanding of geochemical inter-
actions and multiphase flow characterization in geologic carbon
We request abstracts that seek to investigate and fingerprint the sequestration settings.
geochemical characteristics of Large Igneous Provinces (LIPs) in
order to determine, based on “forensics,” the chemical processes T155. Improvements and Challenges in Geochronology:
that affect LIPs worldwide. Organizing the Past while Planning for the Future
T151. Consequences of Fluids in Subduction Zones: Discipline: Geochemistry
From Grain Scale to Plate Boundary Shear Zone
Advocates: Andrew F. Parisi; Elizabeth J. Catlos
Cosponsor: GSA Hydrogeology Division
This section seeks papers examining the advancements in geo-
Disciplines: Geochemistry, Tectonics/Tectonophysics, chronological techniques and the challenges still to be overcome,
Geophysics/Geodynamics accepting talks about new techniques being investigated, refine-
ment of established analytical protocol, or issues encountered
Advocates: Alissa Kotowski; Evan J. Ramos; Thomas M. Etzel; when performing analyses.
Carolyn Tewksbury-Christle
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