2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 169
Monday, 2 November 2015: 1:30 PM-5:30 PM
Room 344 (Baltimore Convention Center)

T174. Microscopic Impact Records

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Geochemical Society
Aaron J. Cavosie, Session Chair
Paper #
Start Time
169-1
1:30 PM
Withdrawn
1:45 PM
PETROGRAPHIC ANALYSIS OF THE MAGNETIC SPHERULES FROM THE SEDIMENTS OF KARSTIC DOBRA RIVER, CROATIA
SIKDER, Arif M.1, FRANČIŠKOVIĆ-BILINSKI, Stanislav2, BILINSKI, Halka3, CASTANO, Carlos E.4, CLIFFORD, Dustin M.4, TURNER, Joseph B. McGee5 and GARMAN, Gregory C.6, (1)Center for Environmental Studies (CES), Virginia Commonwealth University (VCU), 1000 West Cary Street, Richmond, VA 23284, (2)Division for marine and environmental research, Institut, POB 180, Zagreb, HR-10002, Croatia, (3)Division for marine and environmental research, Institut, POB 180, HR-10002, Zagreb, HR-10002, Croatia, (4)Virginia Commonwealth University (VCU), Nanomaterial Characterization Core Facility (NCC), 620 West Car Street, Richmond, VA 23284, (5)Virginia Commonwealth University (VCU), Department of Chemistry, 1001 West Main Street, Richmond, VA 23284, (6)Virginia Commonwealth University (VCU), Center for Environmental Studies (CES), 1000 West Cary Street, Richmond, VA 23284, amsikder@vcu.edu
2:00 PM
IMPACT MELT POCKETS IN MARTIAN METEORITES AS RECORDERS OF IMPACT PROCESSES ON MARS
CHEN, Yang, Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr, Pasadena, CA 91009 and LIU, Yang, Geophysics and Planetary Geosciences, Jet Propulsion Laboratory, 4800 Oak Grove Dr, Pasadena, CA 91109, Yang.Chen@jpl.nasa.gov
169-4
2:15 PM
Withdrawn
2:30 PM
ATOM PROBE TOMOGRAPHY OF ZIRCONIAN MINERALS FROM EARLY MARS AND EARTH INDICATE CRUSTAL REFUGIA ON EARLY BOMBARDMENT SURFACES
MOSER, Desmond E.1, REINHARD, David A.2, LARSON, David J.2, PROSA, Tyler J.2, OLSON, David2, RICE, Katherine2, CHEN, Y.M.2, BARKER, Ivan1, GAULT, Baptiste3 and IRVING, Anthony4, (1)Department of Earth Sciences, University of Western Ontario, 1151 Richmond St. North, London, ON N6A 5B7, Canada, (2)CAMECA, Madison, WI 53711, (3)Department of Materials, Oxford University, Oxford, OX1 1DP, (4)University of Washington, Seattle, WA 98195-1310, desmond.moser@uwo.ca
2:50 PM
TOTAL ORGANIC CARBON AND GEOCHEMICAL ANALYSIS OF A PALEOARCHEAN SPHERULE LAYER 
RICHARDSON, Christopher1, DAVATZES, Alexandra K.2 and KORMAN, Katrina1, (1)Earth and Environmental Science, Temple University, 1901 N 13th St, Philadelphia, PA 19122, (2)Earth and Environmental Science, Temple University, Philadelphia, PA 19122, tuf14860@temple.edu
3:05 PM
REVISITING THE IMPACT CHRONOLOGY OF THE MOON: A TERRESTRIAL PERSPECTIVE ON USING EX SITU SHOCKED ZIRCONS TO DATE METEORITE IMPACTS
CAVOSIE, Aaron J.1, ERICKSON, Timmons M.2, TIMMS, Nick3, REDDY, Steven4, TALAVERA, Cristina5, MONTALVO, Stephanie D.6, PINCUS, Maya R.6, GIBBON, Ryan7 and MOSER, Desmond E.8, (1)Department of Applied Geology, Curtin University, Perth, 6102, Australia, (2)Department of Applied Geology, Curtin Univ, PO Box 9000, Perth, 6102, Australia, (3)Applied Geology, Curtin University, GPO Box U1987, Perth, W, Australia, (4)Applied Geology, Curtin University, Perth, WA6102, Australia, (5)Department of Imaging and Applied Physics, Curtin University, Kent Street, Bentley, 6102, Australia, (6)Department of Geology, University of Puerto Rico, PO Box 9000, Mayaguez, PR 00681, (7)Department of Anthropology, University of New Brunswick, 13 MacCauley Lane, Annex C, Suite 28, Fredericton, E3B5A3, Canada, (8)Department of Earth Sciences, University of Western Ontario, 1151 Richmond St. North, London, ON N6A 5B7, Canada, aaron.cavosie@curtin.edu.au
 
3:20 PM
Discussion
3:30 PM
ORIGIN OF VESICULAR RIMS ON DETRITAL ZIRCONS FROM THE CHELMSFORD FORMATION, SUDBURY IMPACT STRUCTURE, CANADA
FIGUEROA, Maria C.1, MIRANDA BERROCALES, Viridis M.2, RIVERA-BANUCHI, Victoria B.2, CAVOSIE, Aaron J.3 and MOSER, Desmond E.4, (1)Department of Geology, University of Puerto Rico, PO BOX 9000, Mayaguez, PR 00681-9000, (2)Department of Geology, University of Puerto Rico, Mayagüez, PR 00681, (3)Department of Applied Geology, Curtin University, Perth, 6102, Australia, (4)Department of Earth Sciences, University of Western Ontario, 1151 Richmond St. North, London, ON N6A 5B7, Canada, maria.figueroa12@upr.edu
3:45 PM
PRECAMBRIAN REIDITE UNEARTHED
REDDY, Steven1, JOHNSON, Tim1, RICKARD, Will2, VAN RIESSEN, Arie2, FISCHER, Sebastian3, TAYLOR, Rich1, PROSA, Ty4, REINHARD, Dave4, RICE, Katie4 and CHEN, Yimeng4, (1)Applied Geology, Curtin University, Perth, WA6102, Australia, (2)Physics & Astronomy, Curtin University, Perth, WA6102, Australia, (3)Earth and Environmental Sciences, University of St Andrews, St. Andrews, KY16 9AL, United Kingdom, (4)CAMECA, Madison, WI 53711, s.reddy@curtin.edu.au
4:05 PM
MEGA FALLBACK BRECCIA AND IMPACT MELT BODIES DISCOVERED AT THE DEEPLY ERODED CARSWELL IMPACT STRUCTURE, NORTHWESTERN SASKATCHEWAN, CANADA
HARPER, Charlie T.1, ERIKS, R. Sierd2 and GUNNING, Michael2, (1)Harper Geological Consulting & Exploration, 2411 Cross Place, Regina, SK S4S 4C8, Canada, (2)Alpha Exploration Inc., 408 - 1199 West Pender St., Vancouver, BC V6E2R1, Canada, ctharpergeology@gmail.com
4:20 PM
THE ORIGIN OF DETRITAL SHOCKED QUARTZ GRAINS FROM THE CENTRAL UPLIFT OF THE ROCK ELM IMPACT STRUCTURE, WISCONSIN, USA
MIRANDA BERROCALES, Viridis M., Department of Geology, University of Puerto Rico, Mayagüez, PR 00681, viridis.miranda@upr.edu
4:35 PM
ORIGIN OF PLANAR MICROSTRUCTURES IN DETRITAL MONAZITES FROM HEAVY MINERAL CONCENTRATES FROM THE NAMAKWA SANDS MINE, ATLANTIC COAST OF SOUTH AFRICA
RIVERA-BANUCHI, Victoria B., Department of Geology, University of Puerto Rico, Mayagüez, PR 00681 and CAVOSIE, Aaron J., Department of Applied Geology, Curtin University, Perth, 6102, Australia, victoria.rivera3@upr.edu
4:50 PM
ESTIMATING THERMAL HISTORIES OF TEKTITES USING LECHATELIERITE INCLUSIONS
MACRIS, Catherine A., Department of Earth Sciences, Indiana University - Purdue University Indianapolis, 723 W Michigan St, SL118, Indianapolis, IN 46202, ASIMOW, Paul D., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, ZHANG, Youxue, Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, BADRO, James, Cosmochemistry, Astrophysics and Geophysical Experimentation, Institut De Physique Du Globe De Paris, Bureau 267-1, rue Jussieu, Paris, 75238, France, STOLPER, Edward M., Geological and Planetary Sciences Division, California Institute of Technology, 1200 E California Blvd, MC 100-23, Pasadena, CA 91125 and EILER, John M., Division of Geology and Planetary Sciences, California Institute of Technology, MC 170-25, 1200 E. California Blvd, Pasadena, CA 91125, camacris@iupui.edu
5:05 PM
TEMPERATURES OF CHICXULUB CARBONATE ACCRETIONARY LAPILLI FORMATION FROM CLUMPED ISOTOPES
HENKES, Gregory A.1, YANCEY, Thomas E.2, GROSSMAN, Ethan L.3, PASSEY, Benjamin H.4 and SCHRAG, Daniel P.1, (1)Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St., Cambridge, MA 02138, (2)Department of Geology & Geophysics, Texas A&M University, MS 3115, College Station, TX 77843-3115, (3)Department of Geology & Geophysics, Texas A&M University, College Station, TX 77843, (4)Earth and Planetary Sciences, Johns Hopkins University, 301 Olin Hall, 3400 North Charles Street, Baltimore, MD 21218, ghenkes@fas.harvard.edu
 
5:20 PM
Concluding Remarks
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