GSA 2020 Connects Online

Session No. 140
Wednesday, 28 October 2020: 1:30 PM-5:30 PM

T96. Mineralogy, Petrology, and Geochemistry: New Approaches to Harnessing the Multidimensionality of Complex Systems II

Geochemical Society; Mineralogical Society of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Shaunna M. Morrison and Ahmed Eleish, Advocates
Paper #
Start Time
1:30 PM
A MACHINE LEARNING GEOBAROMETER FOR MAJORITIC GARNET INCLUSIONS IN DIAMOND (Invited Presentation)
THOMSON, Andrew R., Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT, United Kingdom, WALTER, Michael J., Earth and Planets Laboratory, Carnegie Institution for Science, 5251 Broad Branch Road, NW, Washington, DC 20015, PRABHU, Anirudh, Tetherless World Constellation, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY 12180 and KOHN, Simon C., School of Earth Sciences, University of Bristol, Queen's Road, Bristol, BS8 1RJ, United Kingdom
1:45 PM
GARNET: A COMPREHENSIVE, STANDARDIZED DATABASE OF GARNET GEOCHEMICAL ANALYSES INTEGRATING PROVENANCE AND PARAGENESIS
CHIAMA, Kristen1, GABOR, Morgan1, LUPINI, Isabella1, RUTLEDGE, Randolph1, NORD, Julia Ann2, ZHANG, Shuang3, BOUJIBAR, Asmaa3 and HAZEN, Robert M.4, (1)Atmospheric, Oceanic and Earth Science, George Mason University, 4400 University Drive, Fairfax, VA 22030, (2)Atmospheric, Oceanic and Earth Science, George Mason University, 4400 University Drive, MSN 5F2, Fairfax, VA 22030, (3)Geophysical Laboratory, Carnegie Institution for Science, Washington, DC 20015, (4)Carnegie Institution for Science, Geophysical Laboratory, 5251 Broad Branch Road, NW, Washington, DC 20015
2:00 PM
EFFECT OF GARNET A–X SOLUTION MODELS ON THE THERMODYNAMIC MODELING OF HIGH-GRADE METABASITES USING THE TSO MORARI UHP ECLOGITE OF NW INDIA
PAN, Ruiguang1, MACRIS, Catherine A.1 and MENOLD, Carrie2, (1)Department of Earth Sciences, Indiana University – Purdue University Indianapolis, 723 W Michigan Street, SL118, Indianapolis, IN 46202, (2)Geological Sciences, Albion College, 611 East Porter St, Albion, MI 49224
2:15 PM
THE DEPTHS OF PARTIAL CRYSTALLIZATION IN MAFIC SYSTEMS: IMPORTANCE OF FILTERING INPUT DATA AND RESULTS FOR MAJOR ELEMENT GEOBAROMETRY
HERNANDEZ, Lindsey D.1, SCOTT, Jameson2, LI, Yuyu1 and BARTON, Michael1, (1)School of Earth Sciences, The Ohio State University, Mendenhall Laboratory, 125 S Oval Mall, Columbus, OH 43210, (2)Environmental Biology, Earth Science and Geology, Columbus State Community College, 550 East Spring St., Columbus, OH 43215
 
2:30 PM
Discussion
2:45 PM
REVEALING THE HIDDEN STRUCTURE OF THE LUNAR INTERIOR: INSIGHTS FROM MACHINE LEARNING (Invited Presentation)
CONE, Kim A.1, PALIN, Richard2 and SINGHA, Kamini1, (1)Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, (2)Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX1 3AN, United Kingdom; Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401
3:00 PM
AN EVOLUTIONARY SYSTEM OF MINERALOGY: NETWORK ANALYSIS OF PRE-TERRESTRIAL MINERALS
HAZEN, Robert M.1, MORRISON, Shaunna M.1 and PRABHU, Anirudh2, (1)Earth and Planets Laboratory, Carnegie Institution for Science, 5251 Broad Branch Road NW, Washington, DC 20015, (2)Tetherless World Constellation, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY 12180
3:15 PM
APPLYING MACHINE LEARNING METHODS TO PREDICT GEOLOGY USING SOIL SAMPLE GEOCHEMISTRY
LUI, Timothy Chee Cheng1, GREGORY, Daniel1, COWLING, Sharon A.1 and LEE, Well-Shen2, (1)Department of Earth Sciences, University of Toronto, 22 Russell Street, Earth Science Centre, Toronto, ON M5S 3B1, Canada, (2)Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada
3:30 PM
OBJECTIVE CLASSIFICATION OF FRACTIONAL CRYSTALLIZATION, ASSIMILATION AND RECHARGE SIGNATURES IN MULTIDIMENSIONAL WHOLE ROCK GEOCHEMICAL DATA
HAMPTON, Rachel Lynn, Department of Earth Sciences, University of Oregon, 100 cascade, 1275 E 13th Ave., Eugene, OR 97403 and KARLSTROM, Leif, Department of Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403
3:45 PM
CALIBRATION OF CHLORITE COMPOSITION USING MICRO-RAMAN ANALYSIS
LAMM, Sarah N., Department of Geology, Kansas State University, Manhattan, KS 66506, LACROIX, Brice J., Department of Geology, Kansas State University, Manhattan, KS 66502, KEMPTON, Pamela D., Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506 and GASDA, Patrick J., ISR-2, Los Alamos National Lab, Los Alamos, NM 87545
 
4:00 PM
Discussion
4:15 PM
A METHOD FOR EXTRACTING 3D MODAL MINERALOGY AND TEXTURAL DATA FROM PLUTONIC ROCKS
MEHRA, Akshay, Neukom Institute for Computational Science, Dartmouth College, Hanover, NH 03755, EDDY, Michael P., Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, PAMUKCU, Ayla S., Geological Sciences, Stanford University, Stanford, CA 94305, SCHOENE, Blair, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544 and MALOOF, Adam C., Geosciences, Princeton University, Princeton, NJ 08544
4:30 PM
MANTLE HETEROGENEITY NEAR THE EAST PACIFIC RISE: PB, SR, AND ND ISOTOPIC DATA FROM THE 8°20' N SEAMOUNT CHAIN
ANDERSON, Molly, Department of Geological Sciences, University of Florida, 241 Williamson Hall, PO Box 112120, Gainesville, FL 32611, PERFIT, Michael, Geological Sciences, University of Florida, Gainesville, FL 32611, WANLESS, V. Dorsey, Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, CONRAD, Ethan M., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712, FORNARI, Daniel J., Geology and Geophysics Dept., Woods Hole Oceanographic Institution, 266 Woods Hole Rd, Woods Hole, MA 02543, RIDLEY, W. Ian, US Geological Survey, PO Box 25046, MS 973 Denver Federal Center, Denver, CO 80225, COSCA, Michael A., United States Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver Federal Center MS 963, Denver, CO 80225 and GREGG, Patricia M., Geology, University of Illinois - Urbana-Champaign, 152 Computer Applications Building, 605 E. Springfield Ave., Champaign, IL 61820
4:45 PM
GEOCHEMISTRY AND PETROLOGY OF GABBRO INTRUSIONS AND ULTRAMAFIC ROCKS FROM WESTERN MARGIN OF MAKRAN ACCRETIONARY WEDGE (COLOURED MELANGE) COMPLEX, SE IRAN
KHIABANI MOGHADAM, Arash, Geology Department, Hormozgan University, Bandar Abbas, 76528-64859, Iran (Islamic Republic of)
5:00 PM
THE ROLE OF CUMULATE PLAGIOCLASE ENTRAINMENT IN THE STEENS BASALT, SE OREGON: INSIGHTS FROM THE MAGMA CHAMBER SIMULATOR
STRASSER, Valerie, Central Washington University, 708 n poplar st, Apt A, ellensburg, WA 98926, BOHRSON, Wendy A., School of Mines, 1516 Illinois Street, Golden, CO 80401 and GRUNDER, Anita L., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331
5:15 PM
TESTING FORMATION OF THE TORRES DEL PAINE GRANITE, SOUTHERN CHILE BY MELT-ROCK REACTION USING SR AND PB ISOTOPES AND MINERAL MAPPING
ORTEGA, Kathlyn R., Geology, University of Illinois at Urbana-Champaign, 1301 W Green St, Urbana, IL 61801, LUNDSTROM, Craig, Department of Geology, University of Illinois-Urbana Champaign, 245 Natural History Bldg, 1301 W. Green Street, Urbana, IL 61801 and CONE, Marjean, Department of Geology, University of Illinois, Urbana, IL 61801
 
5:25 PM
Discussion
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