Northeastern Section - 44th Annual Meeting (22–24 March 2009)

Session No. 38
Monday, 23 March 2009: 1:00 PM-5:00 PM

T7. Rheology, Kinematics, and Strain Localization in Faults and Shear Zones II: NEtectonics

 

Scott E. Johnson, Michael L. Williams and Christopher Gerbi, Advocates
Paper #
Start Time
1
1:00 PM
SHEAR ZONES IN CONTINENTAL LOWER CRUST AS MANIFESTATIONS OF STRAIN LOCALIZATION AND STRAIN HARDENING: GREASE RIVER SHEAR ZONE, WESTERN CANADIAN SHIELD
DUMOND, Gregory, Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, WILLIAMS, Michael, Department of Geosciences, University of Massachusetts, Amherst, MA 01003-9297, GONCALVES, Philippe, Département des Géosciences, Université de Franche-Comté, 16 route de Gray, Besançon, 25030, France and MAHAN, Kevin, Geological Sciences, University of Colorado, Campus Box 399, 2200 Colorado Ave, Boulder, CO 80309, gdumond@mit.edu, gdumond@mit.edu
2
1:20 PM
GRANITE PLUTONISM DURING CRUSTAL CHANNEL FLOW
ANDRONICOS, Christopher and PHIPPS MORGAN, Jason, Department of Earth and Atmopheric Sciences, Cornell University, Snee Hall, ithaca, NY 14853, ca98@cornell.edu, ca98@cornell.edu
3
1:40 PM
TEXTURAL AND GEOCHEMICAL DESCRIPTION OF SIX MANTLE XENOLITHS FROM POTRILLO MAAR, RIO GRANDE RIFT
HUNTER, Robert A. and ANDRONICOS, Christopher, Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853, rah295@cornell.edu, rah295@cornell.edu
4
2:00 PM
AMPHIBOLITE DEFORMATION VIA SOLUTION-PRECIPITATION CREEP AT LOWER CRUSTAL LEVELS: EVIDENCE FROM GEOTHERMOMETRY AND CHEMICAL ZONING
STOKES, M. Rebecca, Geological Sciences, Indiana University, 1001 E 10th St, Bloomington, IN 47401, WINTSCH, Robert, Geology, Indiana University Bloomington, 1001 East 10th Street, Bloomington, IN 47405 and SOUTHWORTH, Scott, U.S. Geological Survey, 926A National Center, Reston, VA 20192-0001, mrstokes@indiana.edu, mrstokes@indiana.edu
5
2:20 PM
ON THE ROLE OF FLUIDS IN DEEP CRUSTAL SHEAR ZONES
MARSH, Jeffrey H.1, GERBI, Christopher C.1 and CULSHAW, Nicholas G.2, (1)Department of Earth Sciences, University of Maine, Orono, ME 04469, (2)Department of Earth Sciences, Dalhousie University, Halifax, NS B3H 4J1, Canada, jeff_marsh@umit.maine.edu, jeff_marsh@umit.maine.edu
6
2:40 PM
MODES OF FLOW IN THE OROGENIC INFRASTRUCTURE: THE EXAMPLE OF THE CENTRAL GNEISS
CULSHAW, Nicholas, Earth Sciences, Dalhousie Univ, 3006 Life Sciences Centre, Halifax, NS B3H 4J1, Canada and GERBI, Christopher, School of Earth and Climate Sciences, University of Maine, Orono, ME 04469, culshaw@dal.ca, culshaw@dal.ca
 
3:00 PM
Break
7
3:20 PM
ASYMMETRIC QUARTZ CRYSTALLOGRAPHIC FABRICS PRODUCED DURING CONSTRICTIONAL DEFORMATION
SULLIVAN, Walter A., Department of Geology, Colby College, 5800 Mayflower Hill, Waterville, ME 04901 and BEANE, Rachel J., Department of Geology, Bowdoin College, 6800 College Station, Bowdoin College, Brunswick, ME 04011, wasulliv@colby.edu, wasulliv@colby.edu
8
3:40 PM
QUARTZ RIBBONS FROM THE PISECO LAKE SHEAR ZONE: DO THEY TRACK THE LAST PULSE OF DUCTILE DEFORMATION?
WILLIAMS, Lindsay A.1, VALENTINO, David W.1 and CHIARENZELLI, Jeffrey R.2, (1)Department of Earth Sciences, State University of New York at Oswego, Oswego, NY 13126, (2)Department of Geology, St. Lawrence University, 147 Brown Hall, Canton, NY 13617, lwilliam@oswego.edu, lwilliam@oswego.edu
9
4:00 PM
MICROSTRUCTURAL RECORD OF COSEISMIC/POSTSEISMIC CYCLES NEAR THE BASE OF THE SEISMOGENIC ZONE, SAND HILL CORNER MYLONITE ZONE, NORUMBEGA FAULT SYSTEM, MAINE
PRICE, Nancy1, JOHNSON, Scott E.1, KOONS, Peter1 and YATES, Martin2, (1)Department of Earth Sciences, University of Maine, 5790 Bryand Global Sciences, Orono, ME 04469, (2)School of Earth and Climate Sciences, University of Maine, 5790 Bryand Global Sciences Center, Orono, ME 04469, nancy.price@umit.maine.edu, nancy.price@umit.maine.edu
10
4:20 PM
GEOMETRY AND KINEMATICS OF A CORRUGATED FAULT SURFACE, ARKITSA, GREECE
RESOR, Phillip G., Earth and Environmental Sciences, Wesleyan University, 265 Church St, Middletown, CT 06459 and MEER, Vanessa E., Nicholas School of the Environment, Duke University, Durham, NC 27708, presor@wesleyan.edu, presor@wesleyan.edu
 
4:40 PM
Discussion
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