2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

Session No. 104
Monday, 20 October 2014: 8:00 AM-12:00 PM
202/203 (Vancouver Convention Centre-West)

T184. Gemological Research in the 21st Century: Exploration, Geology, and Characterization of Diamonds and Other Gem Minerals I

Gemological Institute of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

James E. Shigley, Dona Dirlam, Frank C. Hawthorne, Lee A. Groat, Thomas Stachel and Barbara L. Dutrow, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:15 AM
SIMS APPLICATIONS TO DIAMOND RESEARCH
STACHEL, Thomas1, STERN, Richard A.2, PETTS, Duane1, NICHOLS, Katie1 and CHACKO, Tom3, (1)Earth and Atmospheric Sciences, University of Alberta, 1-24 ESB, Edmonton, AB T6G 2E3, Canada, (2)Canadian Centre for Isotopic Microanalysis, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, Canada, (3)Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada
8:35 AM
CONSTRAINS ON HIGHLY STRAINED PINK DIAMONDS BY HIGH SPATIAL RESOLUTION FTIR AND RAMAN MAPPING
GAILLOU, Eloïse, Musee de mineralogie, Mines ParisTech, 60, Bd St. Michel, Paris, 75006, France, POST, Jeffrey E., Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20013, STEELE, Andrew, Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road NW, Washington, DC 20015 and BUTLER, James E., Chemistry Division, Naval Research Laboratory, 4555 Overlook Ave., SW, Washington, DC 20375
8:50 AM
CHARACTERIZATION OF DIAMONDS AND OTHER GEM MINERALS WITH FIB/TEM
WIRTH, R., 3.3 Chemistry and Physics of Earth Materials, GFZ Potsdam, Telegrafenberg, Potsdam, 14473, Germany
Handouts
  • Vortrag GSA 2014 Vancouver.ppt (25.4 MB)
  • 9:05 AM
    CARBON ISOTOPE ANALYSIS OF CVD SYNTHETIC GEM DIAMONDS
    WANG, Wuyi1, D'HAENENS-JOHANSSON, Ulrika2, SMIT, Karen2, BREEDING, Christopher M.3 and STERN, Richard4, (1)Gemological Institute of America, 50 west 47 Street, New York City, NY 10036, (2)Gemological Institute of America, 50 West 47 Street, New York, NY 10036, (3)Gemological Institute of America, 5345 Armada Drive, Carlsbad, CA 92008, (4)Canadian Centre for Isotopic Microanalysis, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada
    9:20 AM
    ­GROWTH CONDITIONS OF MIXED-HABIT DIAMONDS FROM MARANGE, ZIMBABWE
    SMIT, Karen V.1, WANG, Wuyi2, SHIREY, Steven B.3 and WANG, Jianhua3, (1)Gemological Institute of America, 50 West 47 Street, New York, NY 10036, (2)Gemological Institute of America, 50 west 47 Street, New York City, NY 10036, (3)Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington, DC 20015
    9:35 AM
    405 NM LASER LUMINESCENCE SPECTROSCOPY OF NATURAL DIAMONDS
    BARWOOD, Henry L., Chemistry and Physics, Troy University, MSCX 312G, Troy, AL 36082
     
    9:50 AM
    Break
    10:05 AM
    A SPECTROSCOPIC LOOK AT GREEN AND BLUE GEM DIAMONDS COLORED BY ARTIFICIAL IRRADIATION TREATMENT
    BREEDING, Christopher M., Gemological Institute of America, 5345 Armada Drive, Carlsbad, CA 92008 and WANG, Wuyi, Gemological Institute of America, 50 west 47 Street, New York City, NY 10036
    10:20 AM
    SPATIAL CORRELATION OF INFRARED AND PL OPTICAL CENTERS IN HYDROGEN-RICH DIAMONDS
    ARDON, Troy, Gemological Institute of America, 5355 Armada Drive, Carlsbad, CA 92008 and MAGANA, Sally, Gemological Institute of America, Carlsbad, CA 92653
    Handouts
  • GSA_Presentation.pptx (11.5 MB)
  • 10:35 AM
    THE BUFFERING CAPACITY OF CRATONIC MANTLE PERIDOTITE: IMPLICATIONS FOR THE FORMATION OF DIAMOND
    LUTH, Robert, Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada and STACHEL, Thomas, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada
    10:50 AM
    VARIABILITY IN DIAMOND POPULATION CHARACTERISTICS ACROSS THE SIZE RANGE 0.2 – 3.4 MM – A CASE STUDY BASED ON DIAMONDS FROM MISERY (EKATI MINE)
    KREBS, Mandy Y., Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G2E3, Canada, PEARSON, D. Graham, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada, STACHEL, Thomas, Earth and Atmospheric Sciences, University of Alberta, 1-24 ESB, Edmonton, AB T6G 2E3, Canada, STERN, Richard A., Canadian Centre for Isotopic Microanalysis, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, Canada, NOWICKI, Tom, Mineral Services Canada, 501 - 88 Lonsdale Avenue, North Vancouver, BC V7M 2E6, Canada and CAIRNS, Scott, Northwest Territories Geoscience Office, P.O. Box 1320, Yellowknife, NT X1A 2L9, Canada
    11:05 AM
    11:20 AM
    FIRST DATA ON THE DIAMONDIFEROUS MANTLE OF THE KASAI SHIELD (CONGO CRATON) FROM DIAMOND MINERAL INCLUSIONS
    KOSMAN, Charles W.1, KOPYLOVA, Maya G.1, HAGADORN, James W.2 and HURLBUT, James F.2, (1)Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T1Z4, Canada, (2)Department of Earth Sciences, Denver Museum of Nature & Science, 2001 Colorado Blvd, Denver, CO 80205
     
    11:35 AM
    Concluding Remarks
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