Session No. 76 Monday, October 28, 2002

8:00 AM-12:00 PM, Colorado Convention Center: Exhibit Hall
T85. Microprobe Monazite Geochronology: New Developments and Applications (Posters)
 Paper #Booth #
76-1133RETROGRESSION OF MONAZITE IN SHEARED AND UNSHEARED ROCKS AND THE RESETTING OF MONAZITE U-TH-PB AGES: TRACY, Robert J., Geological Sciences, Virginia Tech, Blacksburg, VA 24061-0420, rtracy@vt.edu.
76-2134CHEMICAL ANALYSIS AND AGE DATING BY ELECTRON MICROPROBE OF SIX MONAZITES DATED BY THERMAL IONISATION MASS SPECTROMETRY (TIMS): MARR, Robert A.1, PATTISON, David R.M.1, HEAMAN, Larry M.2, CHACKO, Thomas2, and MARIANO, Anthony N.3, (1) Geology and Geophysics, Univ of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, marr@geo.ucalgary.ca, (2) Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, (3) 48 Page Brook Rd, Carlisle, MA 01741
76-3135MONAZITE THERMOCHRONOMETRY IN KYANITE + SILLIMANITE ± ANDALUSITE BEARING QUARTZITES AND SCHISTS FROM THE PICURIS RANGE, NORTHERN NEW MEXICO: DANIEL, Christopher G., Department of Geology, Bucknell Univ, Lewisburg, PA 17837, cdaniel@bucknell.edu and PYLE, Joseph M., Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, JRSC 1C25, 110 8th St, Troy, NY 12180
76-4136APPLICATION OF MICROPROBE GEOCHRONOLOGY TO HYDROTHERMAL MONAZITE AND THORITE, LEMHI PASS DISTRICT, IDAHO: JERCINOVIC, Michael J., Dept. of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, mjj@geo.umass.edu, GILLERMAN, Virginia S., Idaho Geol Survey, Boise State University, Boise, ID 83725-1535, and STEIN, Holly J., AIRIE Program, Earth Rscs, Colorado State University, Fort Collins, CO 80523-1482
76-5137MONAZITE RECRYSTALLIZATION IN THE SHEAR ZONE, HWACHEON GRANULITE COMPLEX, KOREA: YI, Keewook, Oral Health Research Institute, Indiana Univ, 415 Lansing st, Indianapolis, IN 46202, kyi@iupui.edu, CHO, Moonsup, School of Earth and Environmental Sciences, Seoul National Univ, Seoul, 151-742, South Korea, and WINTSCH, Robert P., Geological Sciences, Indiana University, Bloomington, IN 47405
76-6138IN-SITU ELECTRON MICROPROBE TH-U-TOTAL PB DATING OF PRECAMBRIAN DETRITAL ZIRCON IN LATE PALEOZOIC BLUESCHIST, SW JAPAN: TSUJIMORI, Tatsuki and ITAYA, Tetsumaru, Research Inst. Nat. Sciences, Okayama Univ of Sci, 1-1 Ridai-cho, Okayama, 700-0005, Japan, tatsukix@rins.ous.ac.jp
76-7139ELECTRON MICROPROBE DATING AS A TOOL FOR UNDERSTANDING CLOSURE OF THE U-TH-PB SYSTEM IN MONAZITE: EXAMPLES FROM MIGMATITE: COCHERIE, Alain1, FAURE, Michel2, BE, Eugène2, LEGENDRE, Olivier1, and FANNING, C. Mark3, (1) Analyse et caractérisation minérale (ANA), BRGM, 3, avenue C. Guillemin, BP 6009, Orléans, 45060, a.cocherie@brgm.fr, (2) Sciences de la Terre, Université d'Orléans, Orléans, 45067, France, (3) PRISE, Research School of Earth Sciences, Australian National Univ, Canberra, ACT, 0200, Australia

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