T31G:
Dynamic Interactions between Structure, Fluids, and Geochemistry I
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Session ID#: 16003
Session Description:
The macroscopic behaviour of rocks and the formation of ore deposits depends upon physico-chemical processes in complex systems. Large advances in our understanding of deformation in the crust, the seismic cycle, fluid-rock interaction and multiphase fluid chemistry have occurred in parallel but the feedbacks between these are not yet explored.
Key questions include: How far do fluids migrate during earthquake-aftershock sequences or earthquake swarms and what are the implications for phase separation and fluid-rock reaction? How quickly can reactions proceed or ore mineralization occur in such dynamic systems? How are fault zone and crustal properties (strength, permeability etc) altered by co-seismic and interseismic multiphase fluids? What impacts do changing chemistry and fluctuating stress states have on dissolution?
In order to make progress we must understand how mechanical processes (deformation, fracturing, crystal-plasticity) are coupled to chemical processes (dissolution/precipitation, alteration). We welcome interdisciplinary contributions across multiple scales.
Primary Convener: Steven Micklethwaite, Monash University, Melbourne, VIC, Australia
Convener: Steve Ingebritsen, USGS Western Regional Offices Menlo Park, Menlo Park, United States
Chairs: Steve Ingebritsen, USGS Western Regional Offices Menlo Park, Menlo Park, United States and Steven Micklethwaite, Monash University, Melbourne, VIC, Australia
OSPA Liaison: Steven Micklethwaite, Monash University, Melbourne, VIC, Australia
Cross-Listed:
Proposed Co-Organized Session with:
Abstracts Submitted to this Session:
Lawrence M Cathles and Maria Rodriguez-Mustafa, Cornell University, Ithaca, NY, United States
Patrick M Fulton, Texas A&M University College Station, Center for Tectonophysics, College Station, United States and Emily E Brodsky, University of California Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, CA, United States
Philipp Weis, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
Andrea Bistacchi, University of Milan - Bicocca, Department of Earth and Environmental Sciences, Milan, Italy, Silvia Mittempergher, University of Modena and Reggio Emilia, Department of Chemical and Geological Sciences, Modena, Italy, Giulio Di Toro, University of Manchester, Manchester, United Kingdom, Steven A.F. Smith, University of Otago, Dunedin, New Zealand and Paolo S Garofalo, University of Bologna, Bi.Ge.A. Department, Geological & Environmental Sciences Section, Bologna, Italy
Vaclav Vavrycuk, Academy of Sciences of the Czech Republic, Prague, 182, Czech Republic and Pavla Hrubcova, Institute of Geophysics AS, Prague 4, Czech Republic
George 'Wren' Greene1, Kai Kristiansen2, James R Boles3, Markus Valtiner4 and Jacob N Israelachvili2, (1)Organization Not Listed, Washington, DC, United States, (2)UCSB, Santa Barbara, CA, United States, (3)University of California Santa Barbara, Earth Sciences, Santa Barbara, CA, United States, (4)Max-Planck, Institut für Eisenforschung, Düsseldorf, Germany
Clare E. Bond, University of Aberdeen, School of Geosciences, Aberdeen, United Kingdom