Month: July 2014

 

 

Please see below for sessions of interest to the GeoPRISMS community, taking place at the 2014 GSA Annual Meeting, October 18-22, in Vancouver, B.C., and AGU Fall Meeting, December 15-19 in San Francisco.

GSA abstract deadline is Tuesday, July 29, 2014

AGU abstract deadline is Wednesday August 6, 2014

 

Meeting information:

http://community.geosociety.org/gsa2014/home/

http://community.geosociety.org/gsa2014/science/sessions

http://fallmeeting.agu.org/2014/

 

>> A compilation of all the sessions can also be found on the GeoPRISMS website <<

 

GSA Annual Meeting:

(1) T1. The Structure of Faults from Top to Bottom: Implication for Fluid Flow, Ore Deposits, and Seismic Hazard

AGU Fall Meeting:

(2) ID: #1812 – Dynamic Evolution of the Lithosphere-Asthenosphere Boundary System in Diverse Geological Settings: an Integrated Approach

(3) ID: #3293 – 3D Observations and Models of Lithospheric Extension

(4) ID: #3549 Active Tectonics and Magmatism of Alaska, the Aleutians, and northwest Canada

 

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(1) T1. The Structure of Faults from Top to Bottom: Implication for Fluid Flow, Ore Deposits, and Seismic Hazard

Please consider submitting to Session T1. The Structure of Faults from Top to Bottom: Implication for Fluid Flow, Ore Deposits, and Seismic Hazard at the 2014 Geological Society of America Annual Meeting in Vancouver, BC (October 18-22).  We invite contributions from diverse fields exploring the range of fault slip behaviors, and the long and short term effects of active and ancient faults from the top to the bottom of the crust.

Session Description

Slip on faults generates earthquakes, uplifts mountains, and alters the physico-chemical properties of rocks in the subsurface.  Transient conditions associated with fault slip exert controls on mineral and ore deposits, hydrocarbons traps, groundwater flow, and, near the surface, the structural integrity of rocks in the damage zone.  Understanding changes associated with fault slip therefore has broad-ranging implications for tectonics, petroleum and mineral resources, and civil and mine engineering.   Along crustal scale faults, plate motion is distributed by depth- and rate-variable deformation mechanisms along fault and shear zone networks whose geometry, rheology and scale vary from the surface to depth. Powerful insights into transient processes involved in fault slip and plate boundary dynamics can be gained from integrating multidisciplinary methods of investigation into fault activity.  We invite contributions from field studies, microstructural and geochemical investigations, geophysical, seismological and geodetic observations exploring the range of fault slip behaviors, and the long and short-term effects of active and ancient faults from the top to the bottom of the crust.

Invited Speakers

Judi Chester

Basil Tikoff

Josie Nevitt

 

Sincerely,

Ashley Griffith, Christie Rowe, and Joe White

 

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(2) ID: #1812 – Dynamic Evolution of the Lithosphere-Asthenosphere Boundary System in Diverse Geological Settings: an Integrated Approach

Dear Colleagues,

We would like to invite you to submit abstracts to the following special session at the next AGU Fall meeting: Dynamic Evolution of the Lithosphere-Asthenosphere Boundary System in Diverse Geological Settings: an Integrated Approach

Session Description:

Geophysical observations of the lithosphere and asthenosphere under oceanic and continental plates reveal seismic and electrical anomalies that image present-day lithospheric discontinuities as well as the interface between tectonic plates and the underlying convecting mantle. Interpreting these geophysical data from different geological contexts in terms of temporal evolution of the plate/mantle system is a multi-disciplinary effort that aims to reconcile field observations, laboratory experiments, and mantle flow predictions from numerical models. We solicit contributions that improve the understanding and integration of the physical and chemical processes at work as part of the time-evolution of the plate/mantle system, including investigations of long-term rheology of deformed mantle fabrics, of fluid distribution using geophysical observations, as well as thermal and viscosity constraints from dynamic modeling.

Focus Group:

DI – Study of Earth’s Deep Interior

Co-Sponsors:

T – Tectonophysics

S – Seismology

MR – Mineral and Rock Physics

V – Volcanology, Geophysics, and Petrology

Conveners:

Anne Pommier, Univ California San Diego, La Jolla, CA, United States

Ed Garnero, Arizona State University, Tempe, AZ, United States

Samer Naif, Univ California San Diego, La Jolla, CA, United States

Huaiyu Yuan, Macquarie University, Sydney, Australia

Invited Speakers:

Lars Hansen, University of Oxford, UK

Heather Ford, Yale, New Haven, CT, USA

Rajdeep Dasgupta, Rice University, Houston, TX, USA

Greg Hirth, Brown University, Providence, RI, USA

 

https://agu.confex.com/agu/fm14/webprogrampreliminary/Session1812.html

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(3) ID: #3293 – 3D Observations and Models of Lithospheric Extension

We invite contributions to AGU Session #3293, “3D Observations and Models of Lithospheric Extension”.

Session Description:

Earth scientists have long known that tectonic processes are inevitably three-dimensional and complex. However, most of our geologic and geophysical observations have been restricted to mapping (the surface) and imaging (sparse two-dimensional sections) of tectonic structures and processes. Likewise, much numerical and analog modeling of tectonic processes and structures are limited to two-dimensional representations.

This session will focus on the tectonics of lithospheric extension, and is open to presentations on active or now-inactive rifting, marine or continental settings, and magmatic or amagmatic rifting.

We anticipate presentations that include multichannel seismic surveys, wide angle seismic surveys, passive seismic arrays, scientific ocean drilling, and other geophysical and geological methods and modeling at a variety of scales.

The binding characteristic will be three dimensional observations or modeling as tools to push forward our understanding of lithospheric extension.

Focus Group:

T – Tectonophysics

Co-Sponsor:

S – Seismology

Conveners:

Dale S Sawyer, Rice University, dale@rice.edu

Timothy A Minshull, University of Southampton, tmin@noc.soton.ac.uk

Timothy J Reston, University of Birmingham, t.j.reston@bham.ac.uk

Invited Speakers:

Ritske Huismans, University of Bergen, Ritske.Huismans@geo.uib.no

Javier Escartin, Institut de Physique du Globe de Paris, escartin.javier@gmail.com

Roger Buck, Columbia University, buck@ldeo.columbia.edu

 

Please consider submitting your relevant research to this session.

https://agu.confex.com/agu/fm14/webprogrampreliminary/Session3293.html

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(4) ID: #3549 Active Tectonics and Magmatism of Alaska, the Aleutians, and northwest Canada

Description:

The northern rim of the Pacific in Alaska, the Aleutians, and Yukon region is both tectonically diverse and active and is becoming the focus of increasing geoscientific scrutiny.  To the west, Pacific Plate subduction along the Aleutian Trench varies along strike, an active magmatic arc marks where the most active plate convergence between the Pacific and North American plates occurs today, and plate convergence also drives active deformation behind the arc. In central and south Alaska, subduction/collision by the Yakutat Block drives orogenesis and far-field deformation within interior Alaska and the Pacific Plate. To the east, the Fairweather and Queen Charlotte transform systems transition along strike with degree of convergence with the Pacific Plate. We propose an integrated session inviting contributions examining the geohazards and complexities of tectonic interactions in the Aleutian-Alaska-NW Canada region. We particularly welcome results from EarthScope, GeoPRISMS, Canadian and other international studies, and IODP Expedition 341.

Focus Group:

T – Tectonophysics

Co-Sponsors:

G – Geodesy

NH – Natural Hazards

S – Seismology

V – Volcanology, Geochemistry and Petrology

Conveners:

Sean P S Gulick, University of Texas at Austin, Austin, TX, United States

Robert J Stern, Univ Texas Dallas, Richardson, TX, United States,

Jeffrey Todd Freymueller, University of Alaska Fairbanks, Fairbanks, AK, United States

John M Jaeger, Univ Florida, Gainesville, FL, United States

https://agu.confex.com/agu/fm14/webprogrampreliminary/Session3549.html

 

Please see below for sessions of interest to the GeoPRISMS community, taking place at the 2014 Fall AGU Meeting, December 15-19 in San Francisco. Note, AGU abstract submission deadline is August 6, 2014.

See http://fallmeeting.agu.org/2014/

1. ID: #1524 Physics of Subduction Earthquakes: From the Trench to the Transition zone

2.  ID: #2699 Processes, pathways, and properties along the subduction interface
3.  ID: #2614 Illuminating the factors that determine subduction megathrust fault slip style
4.  ID: #1856 Science and Societal Lessons from a Decade of Giant Megathrust Earthquakes
5.  ID: #2815 Advances in Sub-Aqueous Paleoseismology : New Insights into Earthquake Recurrence
6. ID: #3034 Arcs from the Inside Out
7. ID: #2987 Signal propagation and preservation: routing information from the geomorphic engine to the stratigraphic record
8.  ID: #2384 Drilling the Izu-Bonin-Mariana System: First Results and Related Studies
9.  ID: #3348 – Crustal construction processes from the Backarc-Arc to the Forearc
10.  ID: #2208 Marine Geohazards
11.  ID: #2326 Satellite Remote Sensing and Management of Natural Disasters
12.  ID: #3396 Collaborative Studies on Mantle Melting
13.  ID: #2004 Melt and Volatiles: Two Key Ingredients in a Mantle

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