GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 267
Tuesday, 24 October 2017: 9:00 AM-6:30 PM
Halls 4EF (Washington State Convention Center)

D33. Mineralogy/Crystallography (Posters)

Authors will be present from 9:30 to 11:30 AM and 4:30 to 6:30 PM.
163
CATHODOLUMINESCENCE AND TRACE ELEMENT CHEMISTRY OF SILLIMANITE: EVIDENCE FOR MULTIPLE METAMORPHIC REACTIONS
BARBATO, Allison Kay, Geology and Geophysics, Louisiana State University, BATON ROUGE, LA 70803, DUTROW, Barbara L., Department of Geology & Geophysics, Louisiana State University, Baton Rouge, LA 70803 and HENRY, Darrell J., Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, abarb15@lsu.edu
164
TRANSMISSION ELECTRON MICROSCOPY (TEM) INVESTIGATION OF MINERALOGICAL COMPOSITION OF OLDUVAI’S LOCALITY 80 CORE SAMPLES
LARY, Erin, Geology & Environmental Earth Science, Miami University, 500 E. High Street, Oxford, OH 45056 and KREKELER, Mark P.S., Department of Geology & Environmental Earth Science, Miami University - Hamilton, 1601 University Blvd., Hamilton, OH 45011, laryen@miamioh.edu
165
SCANNING TRANSMISSION ELECTRON MICROSCOPY – ENERGY DISPERSIVE SPECTROSCOPY (STEM-EDS) REVEALS COMPOSITIONAL HETEROGENEITY AND ZONATION OF SMECTITES FROM OLDUVAI GORGE LOCALITY 80
LARY, Erin1, CYMES, Brittany A.1 and KREKELER, Mark P.S.2, (1)Geology & Environmental Earth Science, Miami University, 500 E. High Street, Oxford, OH 45056, (2)Department of Geology & Environmental Earth Science, Miami University - Hamilton, 1601 University Blvd., Hamilton, OH 45011, laryen@miamioh.edu
166
THE CRYSTAL CHEMISTRY OF BIREFRINGENT UVAROVITE GARNET, IDEALLY CA3CR2SI3O12
SALVADOR, J.J. and ANTAO, S.M., Geoscience, University of Calgary, Calgary, AB T2N 1N4, Canada, antao@ucalgary.ca
167
COMPARISON OF TETRAGONAL AND MULTI-PHASE CUBIC GARNETS
CRUICKSHANK, L. and ANTAO, S.M., Geoscience, University of Calgary, Calgary, AB T2N 1N4, Canada, antao@ucalgary.ca
168
OSCILLATORY ZONING IN ERYTHRITE, IDEALLY CO3(ASO4)2•8H2O
DHALIWAL, I. and ANTAO, S.M., Geoscience, University of Calgary, Calgary, AB T2N 1N4, Canada, antao@ucalgary.ca
169
RAPID FORMATION OF EUTECTIC TEXTURES IN FE-SI INTERMETALLIC COMPOUNDS IN A FULGURITE FROM CENTRAL LOWER MICHIGAN
STEFANO, Christopher J., A. E. Seaman Mineral Museum, Michigan Technological University, 1404 E. Sharon Ave, Houghton, MI 49931 and HACKNEY, Stephen A., Materials Science and Engineering, Michigan Technological University, 1400 Townsend Dr., Houghton, MI 49931, cjstefan@mtu.edu
170
VARIATIONS IN AMPHIBOLE CHEMISTRY IN THE IRONWOOD IRON-FORMATION, GOGEBIC IRON RANGE, WISCONSIN, USA
GREEN, Carlin J.1, SEAL II, Robert R.2, CANNON, William F.3, PIATAK, Nadine M.2 and MCALEER, Ryan J.4, (1)United States Geological Survey, 12201 Sunrise Valley Dr., Reston, VA 20192, (2)U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Drive, Reston, VA 20192, (3)US Geological Survey, 12201 Sunrise Valley Dr, MS 954, Reston, VA 20192-0001, (4)United States Geological Survey, 926A National Center, Reston, VA 20192, cjgreen@usgs.gov
171
IRON/MANGANESE DISTRIBUTION AND MAGNETISM IN BIXBYITE
CHAKOUMAKOS, Bryan C.1, ROTH, Nikolaj2, MAY, Andrew F.3, YE, Feng1 and IVERSEN, Bo2, (1)Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6475, (2)Department of Chemistry, Aarhus University, Aaarhus, Denmark, (3)Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, chakoumakobc@ornl.gov
172
THE CATALYTIC ACTIVITY OF NATURAL CAVANSITE (CA(VO)SI4O10∙4H2O)
CYMES, Brittany A., Geology & Environmental Earth Science, Miami University, 500 E. High Street, Oxford, OH 45056, KREKELER, Mark P.S., Department of Geology & Environmental Earth Science, Miami University - Hamilton, 1601 University Blvd., Hamilton, OH 45011 and ALMQUIST, Catherine B., Chemical, Paper, and Biomedical Engineering, Miami University, Engineering Building 64J, Oxford, OH 45056, cymesba@miamioh.edu
173
EXCELIBR: AN EXCEL SPREADSHEET FOR SOLVING THE OPTICAL ORIENTATION OF UNIAXIAL AND BIAXIAL CRYSTALS
STEVEN, Cody J., Geological Sciences, University of Idaho, Moscow, ID 83844 and GUNTER, Mickey E., Geological Sciences, University of Idaho, 875 Perimeter MS 443022, Moscow, ID 83844, stev9976@vandals.uidaho.edu
174
THE POTENTIAL OF HYDROCARBONS TO AFFECT THE ABILITY OF KCL TO STABILIZE MONTMORILLONITE
TERRY, Olivia Renee, ZANDANEL, Amber E. and KASZUBA, John, Geology and Geophysics & School of Energy Resources, University of Wyoming, 1000 E. University Avenue, Laramie, WY 82071, oterry1@uwyo.edu
175
CHARACTERIZING SURFACE PROPERTIES OF NATURAL IRIDESCENT IRON (HYDR)OXIDE MINERALS
ZIGAH, Sean Christopher, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, sean95@vt.edu
176
POVONDRAITE CRYSTAL CHEMISTRY
CLARK, Christine M.1, SCHIFFERT, Matthew P.1 and CYMES, Brittany A.2, (1)Dept. of Geography and Geology, Eastern Michigan University, Ypsilanti, MI 48197, (2)Geology & Environmental Earth Science, Miami University, 500 E. High Street, Oxford, OH 45056, cclark7@emich.edu
177
DISTINGUISHING FINE INTERGROWTHS IN CU-FE-ZN-S MINERALS FROM THE ARCTIC MID-OCEAN RIDGE USING SEM, EBSD AND OPTICAL MICROSCOPY
SØRENSEN, Bjørn Eske1, DRIVENES, Kristian1 and NOLZE, Gert2, (1)Department of Geoscience and Petroleum, Norwegian University of Science and Technology, Sem Saelands veg 1, Trondheim, 7491, Norway, (2)Department of Materials Engineering, BAM - Bundesanstalt fuer Materialforschung und -pruefung, Berlin, bjorn.sorensen@ntnu.no
178
ATLAS OF ZIRCONS FROM COLOMBIA: "GEMS" FROM THE ANDEAN, INTER-ANDEAN, CARIBBEAN, PACIFIC AND CRATONIC REALMS OF NORTHWESTERN SOUTH AMERICA
RESTREPO-MORENO, Sergio A., Departamento de Geociencias y Medio Ambiente, Universidad Nacional de Colombia, Facultad de Minas, Carrera 80 No 65-223, Nucleo Robledo, Medelln, 000000, Colombia, BERNET, Matthias, Institut de Science de la Terre, Université Joseph Fourier, OSUG C - BP 53 - 1381 Rue de la Piscine, Grenoble Cedex, 38041, FOSTER, David, Department of Geology, University of Florida, Gainesville, FL 32611, GEHRELS, George E., Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, MIN, Kyoungwon, Department of Geological Sciences, University of Florida, Gainesville, FL 32611, CORFU, Fernando, Department of Geosciences and CEED, University of Oslo, PO Box 1047, Blindern, Oslo, 0316, Norway, PARDO-TRUJILLO, Andrés, Instituto de Investigaciones en Estratigrafía, Universidad de Caldas, Calle 65 Nº 26 - 10, Edificio Orlando Sierra, Bloque B, 2do piso, Manizales, 00000, Colombia, ZULUAGA CASTRILLON, Carlos Augusto, Geología, Universidad Nacional de Colombia, Carrera 45 N° 26-85, 224 Manuel Ancizar Building, Bogota, Colombia and PEÑA-URUEÑA, Mary Luz, Grupo Tecnologías Nucleares, Servicio Geológico Colombiano, Diagonal 53 No. 34 - 53, Bogotá D.C., Colombia, sarestrepom@unal.edu.co
179
MANIPUR OPHIOLITIC COMPLEX AS A PROSPECTIVE HOST FOR MICRODIAMONDS IN EASTERN HIMALAYA, INDIA
BHATTACHARJEE, Surjyendu and CHATTERJEE, Arka Pratim, Department of Geological Sciences, Jadavpur University, 188, Raja S.C. Mallick Road, Kolkata, West Bengal, Kolkata, 700032, India, surjyendu.bhattacharjee@gmail.com
180
THE SIGNIFICANT ROLE OF EXCESS CONFIGURATIONAL ENTROPY IN THE THERMODYNAMIC MIXING BEHAVIOR OF ALKALI FELDSPARS
HOVIS, Guy L., Department of Geology and Environmental Geosciences, Lafayette College, Easton, PA 18042, hovisguy@lafayette.edu
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