Session: Charting Soils at the Atomic Scale (Posters): A Tribute to the Careers of David L. Bish and Jeffrey E. Post (GSA Connects 2022 meeting in Denver, Colorado)

Session No. 167

Tuesday, 11 October 2022: 9:00 AM-1:00 PM

Exhibit Hall F (Colorado Convention Center)

T88. Charting Soils at the Atomic Scale (Posters): A Tribute to the Careers of David L. Bish and Jeffrey E. Post

Mineralogical Society of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Clay Minerals Society; GSA Soils and Soil Processes Division

Authors will be present from 11 AM to 1 PM.

Paper #

Booth #

167-1

KINETIC ANALYSIS OF HEMATITE AND GOETHITE CRYSTALLIZATION AT PH 2-13: AN IN SITU TIME-RESOLVED SYNCHROTRON X-RAY DIFFRACTION STUDY

CHEN, Si¹, HEANEY, Peter J.², POST, Jeff³, STUBBS, Joanne⁴ and ENG, Peter J.⁴, (1)Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831; Department of Geosciences, Penn State University, 540 Deike Bldg, University Park, PA 16802, (2)Department of Geosciences, Penn State University, 540 Deike Bldg, University Park, PA 16802, (3)Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20013, (4)Center for Advanced Radiation Sources, University of Chicago, Chicago, IL 60637

167-2

SYNCHROTRON X-RAY DIFFRACTION OF PYROLUSITE (MNO₂) AND RUTILE (TIO₂) DURING HEATING TO ~1000 °C

CHUNG, Dongyoun¹, HEANEY, Peter¹, POST, Jeff², STUBBS, Joanne³ and ENG, Peter J.², (1)Dept. of Geosciences, Pennsylvania State University, 540 Deike Bldg, University Park, PA 16802, (2)Center for Advanced Radiation Sources, University of Chicago, Chicago, IL 60637, (3)Center for Advanced Radiation Sources, The University of Chicago, Lemont, IL 60439

167-3

FREEZE DRYING AS A METHOD FOR PREPARING RANDOMLY ORIENTED CLAY MOUNTS FOR X-RAY DIFFRACTION (XRD) ANALYSIS

MAITHEL, Sarah, NICK, Kevin and BRAND, Leonard R., Department of Earth and Biological Sciences, Loma Linda University, Loma Linda, CA 92350

167-4

DIFFERENTIATING COPPER AND DIAMOND IN SEDIMENT-EXTRACTED NANOPARTICLES FROM BULL CREEK, OK

SLUDER, Katherine, School of Geosciences, The University of Oklahoma, 100 East Boyd Street, Norman, OK 73019, SABISCH, J.E., Samuel Roberts Noble Microscopy Laboratory, Univ. Oklahoma, Norman, OK 73019, BEMENT, L.C., Oklahoma Archeological Survey, The University of Oklahoma, 111 East Chesapeake, Norman, OK 73019-5111 and ELWOOD MADDEN, A.S., School of Geosciences, Univ. Oklahoma, Norman, OK 73019

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