Geological Society of America

8:00 AM

SHEAR STRESS AND NEGATIVE FEEDBACK IN SUBDUCTED CONTINENTAL MARGIN, IMPACT ON HIGH-PRESSURE, MODERATE-TEMPERATURE METAMORPHISM IN THE ORDENES COMPLEX, GALICIA, NW SPAIN

J. Alcock, Penn State Abington College, Abington, PA and Ricardo Arenas, Universidad Complutense, Madrid, N/A and José R. Martínez Catalán, Universidad de Salamanca, Salamanca, N/A

68987 (Technical Sessions)

8:20 AM

VARIATION IN CHROMITE COMPOSITION WITH METAMORPHIC GRADE, AN EXAMPLE FROM METAULTRAMAFIC ROCKS FROM THE SPRUCE PINE DISTRICT, NORTH CAROLINA

Samuel E. Swanson, Univ of Georgia, Athens, GA and Loren A. Raymond, Appalachian State Univ, Boone, NC

69840 (Technical Sessions)

8:40 AM

TACONIAN METAMORPHISM ALIVE AND WELL IN THE SOUTHERN BLUE RIDGE

D.P. Moecher, Univ. of Kentucky, Lexington, KY and R.J. Tracy, Virginia Tech, Blacksburg, VA and B.V. Miller, UNC-CH, Chapel Hill, NC

70929 (Technical Sessions)

9:00 AM

ELECTRON MICROPROBE AND ISOTOPIC GEOCHRONOLOGY OF SHEARED MONAZITE PORPHYROCLASTS: DOCUMENTATION OF VARIABLE LEAD LOSS AT GREENSCHIST-FACIES CONDITIONS

Robert J. Tracy, Virginia Tech, Blacksburg, VA and Brent V. Miller, Univ of North Carolina, Chapel Hill, NC

70932 (Technical Sessions)

9:20 AM

THE SHAPE OF OIKOCRYSTS IN SERIAL SECTION IN THE KEWEENAWAN GREENSTONE FLOOD-BASALT FLOW

Scott M. Soricelli, Univ of Connecticut, Storrs, CT

70678 (Technical Sessions)

9:40 AM

EARLY MESOZOIC BASALTS OF THE POMPERAUG BASIN, SOUTHWESTERN CONNECTICUT: VOLCANIC FEATURES AND MAGMATIC CORRELATIONS

J. Gregory McHone, Earth Sci Education and Rsch, Moodus, CT

69004 (Technical Sessions)

10:20 AM

XENOLITHS AS EVIDENCE FOR EXPLOSIVE MAGMATISM IN THE MESOZOIC RING DIKES OF NEW HAMPSHIRE

Hugh C. Daigle, Harvard Univ, Cambridge, MA

69486 (Technical Sessions)

10:40 AM

GENERATION OF CRETACEOUS GRANITOIDS IN FIORDLAND, NEW ZEALAND: EXPERIMENTALLY TESTING THE ROLE OF PARTIAL MELTING OF BASALTIC UNDERPLATE

Robert P.W. Price, Univ of Vermont, Burlington, VT and Tracy Rushmer, Univ of Vermont, Burlington, VT and Don R. Baker, McGill Univ, Montreal, QC

69075 (Technical Sessions)

11:00 AM

MINERALOGY OF PEGMATITES AND HOST GRANODIORITES IN THE SPRUCE PINE PLUTONIC SUITE

William Brian Veal, Univ of Georgia, Athens, GA and Samuel E. Swanson, Univ of Georgia, Athens, GA

69702 (Technical Sessions)

11:20 AM

UPWARD AND DOWNWARD FLOW IN A CAMPTONITE DIKE

Allison B. Charney, Univ of Connecticut, Storrs, CT and A.P. Philpotts, Univ of Connecticut, Storrs, CT

70717 (Technical Sessions)

61 Petrology

Presentations