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Northeastern Section - 42nd Annual Meeting (12–14 March 2007)

Session No. 46
Wednesday, 14 March 2007: 8:15 AM-12:00 PM

T7. Strain Partitioning and Rheological Evolution in Orogens

 

J. Dykstra Eusden Jr and Scott E. Johnson, Advocates
Paper #
Start Time
 
8:15 AM
Introductory Remarks
1
8:20 AM
LATE ACADIAN FOLD TRAIN SHORTENING AND STRAIN PARTITIONING
EUSDEN Jr., J. Dykstra, Geology, Bates College, 44 Campus Avenue, Lewiston, ME 04240, KUGEL, Kelley L., Geology, Bates College, Lewiston, ME 04240 and RODDA, Charles, Earth Sciences, University of Maine, Orono, ME 04469, deusden@bates.edu, deusden@bates.edu
2
8:40 AM
THE RECORD OF CHANGE FROM COMPRESSIONAL TO TRANSPRESSIONAL PLATE CONVERGENCE IN THE SOUTH-CENTRAL MAINE ACADIAN HINTERLAND
GERBI, Christopher, School of Earth and Climate Sciences, University of Maine, Orono, ME 04469 and WEST Jr, David P., Geology Dept, Middlebury College, Middlebury, VT 05753, cgerbi@norwich.edu, cgerbi@norwich.edu
3
9:00 AM
TEXTURAL EVIDENCE FOR REACTION HARDENING BY FELDSPAR PRECIPITATION IN MYLONITES
STOESZ, Erin1, WINTSCH, R.P.1 and SCHIEBER, Juergen2, (1)Department of Geological Scineces, Indiana University, 1001 E 10th Str, Bloomington, 47405, (2)Department of Geological Sciences, Indiana Univ, 1001 E 10th Str, Bloomington, IN 47405, estoesz@indiana.edu, estoesz@indiana.edu
4
9:20 AM
STRAIN PARTITIONING DURING TRANSPRESSIONAL DEFORMATION: EVIDENCE FROM BOUDIN PARTINGS, QUARTZ VEINS AND GRANITE INTRUSIONS IN NORUMBEGA SHEARING
SWANSON, Mark, Geosciences, University of Southern Maine, Gorham, ME 04038, mswanson@usm.maine.edu, mswanson@usm.maine.edu
5
9:40 AM
STRAIN PARTITIONING AND BLOCK ROTATION OF THE CLARENCE-ELLIOTT WEDGE AS A PRODUCT OF DEXTRAL-REVERSE MOTION IN THE OBLIQUE COMPRESSIONAL MARLBOROUGH FAULT ZONE, NEW ZEALAND
EICHELBERGER, Nathan W., Dept. of Geology, Bates College, Lewiston, ME 04240, EUSDEN Jr., J. Dykstra, Geology, Bates College, 44 Campus Avenue, Lewiston, ME 04240 and PETTINGA, Jarg, Department of Geological Sciences, Univ of Canterbury, Private Bag 4800, Christchurch, New Zealand, neichelb@bates.edu, neichelb@bates.edu
 
10:00 AM
Break
6
10:15 AM
STRAIN DISTRIBUTION IN SLATE BELTS: AN EXAMPLE FROM THE TACONIC ALLOCHTHON, VERMONT AND NEW YORK
CRESPI, Jean M., Department of Geology, University of Ljubljana, Ljubljana, 1504, Slovenia, jean.crespi@uconn.edu, jean.crespi@uconn.edu
7
10:35 AM
MICROSTRUCTURES AND STRESSES AT THE BASE OF SEISMOGENIC FAULTS: COUPLING OF DEFORMATION ACROSS THE FRICTIONAL TO VISCOUS TRANSITION
JOHNSON, Scott E.1, KOONS, Peter O.1 and WEST Jr, David P.2, (1)Department of Earth Sciences, University of Maine, 5790 Bryand Global Sciences, Orono, ME 04469, (2)Geology Dept, Middlebury College, Middlebury, VT 05753, johnsons@maine.edu, johnsons@maine.edu
8
10:55 AM
STRUCTURAL INFLUENCES ON AN ERUPTIVE FISSURE ON THE REYKJANES PENINSULA, SW ICELAND
JENNESS, Maria H., Geology, Bates College, Lewiston, ME 04240 and CLIFTON, Amy E., Nordic Volcanological Institute, Grensasvegur 50, 108 Reykjavik, Iceland, mjenness@bates.edu, mjenness@bates.edu
9
11:15 AM
FLAT VERSUS UPRIGHT STRUCTURES IN SOUTH-CENTRAL MAINE: EVIDENCE FOR DISTINCT DEFORMATIONAL EVENTS RATHER THAN STRAIN PARTITIONING
WEST Jr, David P., Geology Dept, Middlebury College, Middlebury, VT 05753, BERRY, Henry N., Maine Geological Survey, 22 State House Station, Augusta, ME 04469 and GERBI, Christopher, School of Earth and Climate Sciences, University of Maine, Orono, ME 04469, dwest@middlebury.edu, dwest@middlebury.edu
10
11:35 AM
STRAIN GRADIENTS IN THE DAY MOUNTAIN THRUST SHEET, WESTERN MASSACHUSETTS
PIERCE, Elizabeth L., Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267 and KARABINOS, Paul, Dept. Geosciences, Williams College, Williamstown, MA 01267, Elizabeth.L.Pierce@williams.edu, Elizabeth.L.Pierce@williams.edu
 
11:55 AM
Discussion
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