GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 5
Sunday, 22 September 2019: 8:00 AM-12:00 PM
Room 132ABC, North Building (Phoenix Convention Center)

T26. Visions of Minerals at the Nanoscale I: In Honor of Mineralogical Society of America Roebling Medalist Peter R. Buseck

Mineralogical Society of America

 

Mihály Pósfai, Jill F. Banfield and Lindsay P. Keller, Advocates
Paper #
Start Time
5-1
8:00 AM
PETER BUSECK'S PIONEERING ROLE IN UNDERSTANDING MICROSTRUCTURES IN MINERALOGY AND GEOCHEMISTRY (Invited Presentation)
VEBLEN, David R., Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218
5-2
8:20 AM
ATOMIC RESOLUTION EDS-STEM MICROSCOPY OF NANO-STRUCTURED MATERIALS (Invited Presentation)
IIJIMA, Sumio, Graduate School of Science and Technology, Meijo University, 1-501, Shiogamaguchi,, Tenpaku, Nagoya, 4688502, Japan
5-3
8:40 AM
ATOMIC-SCALE TRANSMISSION ELECTRON MICROSCOPY OF SUPERSTRUCTURES IN NATURAL COMMENSURATE AND INCOMMENSURATE PYRRHOTITES
DUNIN-BORKOWSKI, Rafal E., Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons, Forschungszentrum Juelich, Juelich, 52425, Germany
5-4
8:55 AM
BEAUTY AND COMPLEXITY OF LABRADORITE FELDSPARS: THEIR INCOMMENSURATELY MODULATED STRUCTURES AND SUBSOLIDUS PHASE RELATIONS
XU, Huifang1, JIN, Shiyun1 and LEE, Seungyeol2, (1)Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton street, Madison, WI 53706, (2)NASA Astrobiology Institute and Department of Geoscience, University of Wisconsin-Madison, Weeks Hall 1215 W Dayton St, Madison, WI 53706
5-5
9:10 AM
HYPOTHETICAL ZEOLITE FRAMEWORK STRUCTURES AND WEAVINGS
TREACY, Michael M.J., Department of Physics, Arizona State University, Tempe, AZ 85287 and O’KEEFFE, Michael, School of Molecular Sciences, Arizona State University, Tempe, AZ 85287
 
9:25 AM
Discussion
 
9:40 AM
Break
5-6
9:55 AM
LOW-DOSE ADF-STEM STUDY OF SERPENTINE
ZHANG, Hui1, GILBERT, Benjamin1, ZARZYCKI, Piotr1 and BANFIELD, Jillian F.2, (1)Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, (2)Earth and Planetary Science; Environmental Science, Policy & Management, University of California, Berkeley, Berkeley, CA 94720
5-7
10:10 AM
DIRECTLY OBSERVING INTERFACIAL GEOCHEMISTRY AT HYDRATED CLAY INTERFACES WITH ATOMIC RESOLUTION
WHITTAKER, Michael L.1, LAMMERS, Laura N.2, GILBERT, Benjamin1 and BANFIELD, Jillian F.3, (1)Energy Geoscience Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA 94608, (2)Earth and Environmental Science Area, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA 94720, (3)Energy Geoscience Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA 94608; Earth and Planetary Science; Environmental Science, Policy & Management, University of California, Berkeley, Berkeley, CA 94720
5-8
10:25 AM
MICROSTRUCTURE OF MAGNESIUM-BEARING CARBONATES PRECIPITATING FROM SHALLOW FRESHWATER LAKES
PÓSFAI, Mihály1, MOLNÁR, Zsombor1, PEKKER, Péter2, DÓDONY, István1, FRISIA, Silvia3 and MEISTER, Patrick4, (1)Institute of Environmental Science, University of Pannonia, Veszprem, 8200, Hungary, (2)Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, Veszprem, 8200, Hungary, (3)Department of Earth Sciences, University of Newcastle, Newcastle, NSW 2308, Australia, (4)Department of Geodynamics and Sedimentology, University of Vienna, Vienna, 1090, Austria
5-9
10:40 AM
IN-DEPTH INVESTIGATION INTO THE IDENTITY, MORPHOLOGY AND CRYSTALLINITY OF LOW-TEMPERATURE SULFIDE MINERALS OF TRANSITION METALS AT THE NANOSCALE THROUGH TRANSMISSION ELECTRON MICROSCOPY
MANSOR, Muammar, Geological Sciences, University of Texas at El Paso, El Paso, TX 79930, HOCHELLA Jr., Michael F., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061 and XU, Jie, Geological Sciences, The University of Texas at El Paso, El PAso, TX 79968
10:55 AM
PRECIPITATION AND TRANSFORMATION OF IRON-SULFIDE NANOPARTICLES IN LOW-TEMPERATURE AQUEOUS ENVIRONMENT: EFFECTS OF REACTANT IRON AND SULFIDE SOURCES
MORENO, Ezequiel1, MURAYAMA, Mitsuhiro2, HOCHELLA Jr., Michael F.3 and XU, Jie1, (1)Geological Sciences, The University of Texas at El Paso, El PAso, TX 79968, (2)Institute for Critical Technology and Applied Science (ICTAS), Virginia Tech, Blacksburg, VA 24061, (3)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061
11:10 AM
STRUCTURAL EVOLUTION OF EXCEPTIONALLY IRON-DEFICIENT HEMATITE NANOCRYSTALS AS OBSERVED BY IN SITU SYNCHROTRON X-RAY DIFFRACTION
CHEN, Si Athena1, HEANEY, Peter1, POST, Jeffrey E.2, ENG, Peter J.3 and STUBBS, Joanne E.3, (1)Dept. of Geosciences, Penn State University, University Park, PA 16802, (2)Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20013, (3)Center for Advanced Radiation Sources, University of Chicago, Chicago, IL 60637
 
11:25 AM
Discussion
See more of: Technical Sessions