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| 29-1 | 45 | UPLIFT AND EXHUMATION OF THE CORDILLERA HUAYHUASH, NORTHERN PERU, BASED ON U+TH/HE AND FISSION-TRACK DATING OF ZIRCON: WALKER, Lydia J., Geology Department, Union College, 807 Union AVE, Schenectady, NY 12308, walkerl@union.edu and GARVER, John I., Geology Department, Union College, Union College, Olin Building, Schenectady, NY 12308-2311 |
| 29-2 | 46 | U-PB ZIRCON AGES FROM THE INNER PIEDMONT TERRANE: IMPLICATIONS FOR A LAURENTIAN ORIGIN: HEATHERINGTON, Ann L., Department of Geological Sciences, Univ of Florida, Box 112120, 241 Williamson Hall, Gainesville, FL 32611, aheath@geology.ufl.edu and MUELLER, Paul A., Geological Sciences, Univ of Florida, Gainesville, FL 32611, mueller@geology.ufl.edu |
| 29-3 | 47 | THE MAGMATIC RECORD OF THE TACONIC OROGENIC CYCLE: EVIDENCE FROM ION PROBE U/PB AGES OF ZIRCONS FROM THE CENTRAL APPALACHIAN OROGEN: SINHA, A.K., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, pitlab@vt.edu. |
| 29-4 | 48 | LATE MESOZOIC EXHUMATION OF THE NORTHERN APPALACHIAN OROGEN: INFORMATION FROM APATITE FISSION TRACK AGES: RODEN-TICE, Mary K.1, WEST, David P. Jr2, WINTSCH, Robert P.3, POTTER, Jaime K.1, and WINCH, Jenny L.1, (1) Center for Earth and Environmental Science, Plattsburgh State Univ, 101 Broad St, Plattsburgh, NY 12901, mary.rodentice@plattsburgh.edu, (2) Department of Geology, Middlebury College, Middlebury, VT 05753, (3) Department of Geological Sciences, Indiana Univ, 1001 East 10th Street, Bloomington, IN 47405 |
| 29-5 | 49 | ALLEGHANIAN OVERPRINT IN THE MERRIMACK TERRANE, EASTERN MASSACHUSETTS: TEXTURAL, MINERALOGICAL, AND 40AR/39AR ISOTOPIC EVIDENCE: ATTENOUKON, M.B., Department of Geological Sciences, Indiana Univ, Bloomington, IN 47405, miatteno@indiana.edu, KUNK, M.J., U. S. Geol Survey, MS 963, Denver Federal Center, Denver, CO 80225, and WINTSCH, R.P., Department of Geology, Indiana Univ, Bloomington, IN 47405 |
| 29-6 | 50 | DEPOSITIONAL RESPONSE OF ORDOVICIAN FORELAND BASIN TURBIDITES TO BATHYMETRY IN THE FRONTAL THRUST OF THE TACONIC THRUST WEDGE: POWERS, Larissa N., Geology Department, Union College, Union College, Olin Building, Schenectady, NY 12308, powersl@union.edu and GARVER, John I., Geology Department, Union College, Union College, Olin Building, Schenectady, NY 12308-2311 |
| 29-7 | 51 | EXTENSIONAL TECTONICS IN COLLISIONAL OROGENS: A CASE STUDY OF EARLY SILURIAN EXTENSION IN THE CENTRAL APPALACHIANS ASSOCIATED WITH THE TACONIC OROGENY: TRUJILLO, Jon and SINHA, A.K., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, jtrujillo@vt.edu |
| 29-8 | 52 | TEMPORAL AND SPATIAL DISTRIBUTION OF CRYOGENIAN AGE IGNEOUS ROCKS IN THE CENTRAL APPALACHIAN OROGEN: A SINGLE HOT SPOT INDUCED MAGMATISM?: FOKIN, Maria, Advanced Resources International Inc, 4501 Fairfax Drive, Arlington, VA 22203, mfokin@adv-res.com and SINHA, A.K., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061 |
| 29-9 | 53 | THE NATURE OF THE SETTERS FORMATION IN THE PENNSYLVANIA PIEDMONT: BLACKMER, Gale C., Bureau of Topographic and Geologic Survey, 3240 Schoolhouse Rd, Middletown, PA 17057, gblackmer@state.pa.us and SROGI, LeeAnn, Department of Geology/Astronomy, West Chester Univ, 750 S Church St, West Chester, PA 19383-0001 |
| 29-10 | 54 | FELSIC MAGMATISM IN FLOOD BASALT PROVINCES: A STUDY OF THE SOUTH MOUNTAIN (CATOCTIN) HIGH SILICA RHYOLITES: MITRA, Arijit and SINHA, A.K., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, amitra@vt.edu |
| 29-11 | 55 | 40AR/39AR CONSTRAINTS ON THE AGE OF FABRIC DEVELOPMENT IN THE WESTMINSTER TERRANE, NORTH-CENTRAL MARYLAND: MULVEY, B.K.1, KUNK, M.J.2, SOUTHWORTH, C.S.3, and WINTSCH, R.P.1, (1) Department of Geology, Indiana Univ, Bloomington, IN 47405, bmulvey@indiana.edu, (2) U. S. Geol Survey, MS 963, Denver Federal Center, Denver, CO 80225, (3) U.S. Geol Survey, MS 926-A National Center, Reston, VA 20192 |
| 29-12 | 56 | CONSTRAINTS IN THE THERMAL HISTORY OF THE POTOMAC AND WESTMINSTER TERRANES IN MARYLAND, VIRGINIA, AND WASHINGTON D.C.: EXTRACTION OF USEFUL AGES FROM COMPLEX 40AR/39AR AGE SPECTRA: KUNK, M.J.1, WINTSCH, R.P.2, SOUTHWORTH, C.S.3, MULVEY, B.K.2, NAESER, C.W.3, and NAESER, N.D.3, (1) U. S. Geol Survey, MS 963, Denver Federal Center, Denver, CO 80225, mkunk@usgs.gov, (2) Department of Geology, Indiana Univ, Bloomington, IN 47405, (3) U.S. Geol Survey, MS 926-A National Center, Reston, VA 20192 |
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