GSA Connects 2022 meeting in Denver, Colorado

Session No. 44
Sunday, 9 October 2022: 1:30 PM-5:30 PM
502 (Colorado Convention Center)

T84. Using Iron Oxides for Quantitative Reconstruction of Thermal Histories, Paleoenvironments, Hydrothermal Alteration, Planetary Evolution, and Fault Zone Processes

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geochronology Division; GSA Structural Geology and Tectonics Division; GSA Planetary Geology Division

 

Florian Hofmann and Jordan Leo Jensen, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
RECALIBRATING ORE DEPOSIT GENESIS USING HEMATITE GEOCHRONOLOGY (Invited Presentation)
COURTNEY-DAVIES, Liam1, DANISIK, Martin2, RAMANAIDOU, Erick R.3 and MCINNES, Brent I.A.1, (1)Curtin University, John de Laeter Centre, Kent Street, Bentley, Perth, Western Australia 6102, Australia, (2)John de Laeter Centre, Curtin University, Kent Street, Bentley, Perth, Western Australia 6102, Australia, (3)CSIRO, Australian Resources Research Centre, 26 Dick Perry Ave, Perth, Western Australia 6151, Australia
1:55 PM
TRACKING ALASKA’S PORPHYRY CU SYSTEMS WITH DETRITAL MAGNETITE GEOCHEMISTRY AND (U-TH)/HE DATING
MCDERMOTT, Robert1, KREINER, Douglas1, JONES III, Jamey1 and REGAN, Sean2, (1)U.S. Geological Survey, Alaska Science Center, Anchorage, AK 99508, (2)Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775-9702
2:10 PM
RAMAN SPECTROSCOPY OF GEOLOGICAL VARIETIES OF HEMATITE OF VARYING CRYSTALLINITY AND MORPHOLOGY
MARSHALL, C., STOCKDALE, Gavin and CARR, Claire A., Department of Geology, University of Kansas, 1567 Irving Hill Road, Lawrence, KS 66045
2:25 PM
CONSTRAINING THE GENERATION OF HIGH OXIDE MINERAL CONCENTRATIONS IN HIGH GRADE METAMORPHIC ROCKS
BLEREAU, Eleanore and PIAZOLO, Sandra, School of Earth and Environment, University of Leeds, Woodhouse, Leeds, LS2 9JT, United Kingdom
2:40 PM
SPHEROIDAL IRON (OXYHYDR)OXIDE CONCRETION FORMATION: NEW INSIGHTS FROM FIELD STUDY
REITER, Shae, CULLEN-REAVILL, Rachelle and POTTER-MCINTYRE, Sally, Earth Systems and Sustainability, Southern Illinois University, Parkinson Lab Mailcode 4324, Carbondale, IL 62901
 
2:55 PM
Break
3:10 PM
READING THE CLIMATE SIGNALS HIDDEN IN LATERITIC IRON DURICRUSTS (Invited Presentation)
HELLER, Beatrix, GEOPS, University Paris-Saclay, CNRS, Batiment 504, Orsay, 91405, France; IMPMC, Sorbonne University, CNRS, IRD, MNHN, 4 place Jussieu, Paris, 75252, France, GAUTHERON, Cécile, GEOPS, University Paris-Saclay, CNRS, Batiment 504, Orsay, 91405, France, MORIN, Guillaume, IMPMC UMR 7590, CNRS, Sorbonne University, IRD, MNHN, 4 place Jussieu, Paris, 75252, France and ALLARD, Thierry, IMPMC, Sorbonne University, CNRS, IRD, MNHN, 4 place Jussieu, Paris, 75252, France
3:30 PM
(U-TH)/HE GEOCHRONOLOGY OF MCGRATHS FLAT LAGERSTÄTTE
MUELLER, Jessica1, FARLEY, Kenneth A.2, VASCONCELOS, Paulo M.2 and MCCURRY, Matthew3, (1)Geological and Planetary Sciences, California Institute of Technology, 1028 E Del Mar Blvd, Pasadena, CA 91125, (2)Division of Geological and Planetary Sciences, California Institute of Technology, MC170-25, Pasadena, CA 91125, (3)Australian Museum Research Institute, Sydney, NSW 2010, Australia
3:45 PM
MAGNETIC CHARACTERIZATION OF NATURAL AND ANTHROPOGENIC IRON OXIDE ASSEMBLAGES IN NORTH CAROLINA LAKES: TOOLS FOR DETECTION OF COAL COMBUSTION RESIDUALS
BRACHFELD, Stefanie1, COWAN, Ellen2, WANG, Zhen3, KARCHER, Randall K.2, WILSON, Jessica2, SERAMUR, Keith C.4 and VENGOSH, Avner3, (1)Earth and Environmental Studies, Montclair State University, Montclair, NJ 07043, (2)Department of Geological and Environmental Sciences, Appalachian State University, Box 32067, Boone, NC 28608, (3)Nicholas School of the Environment, Duke University, Durham, NC 27708, (4)Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC 28608
4:00 PM
THE EFFECTS OF U-SERIES DISEQUILIBRIUM ON (U-TH)/HE CHRONOMETRY OF less than 1 MA SECONDARY FE-OXIDES
JENSEN, Jordan1, AULT, Alexis1 and MCLEAN, Noah2, (1)Department of Geosciences, Utah State University, Logan, UT 84322, (2)Department of Geology, The University of Kansas, Lawrence, KS 66045
4:15 PM
ASSESSING THE SUITABILITY OF MAGNETITE FOR (U-TH)/HE AND COSMOGENIC 3HE EXPOSURE DATING: A SURVEY OF INCLUSIONS AND LI CONCENTRATIONS
HOFMANN, Florian, Department of Geosciences, University of Alaska Fairbanks, 900 Yukon Dr, Fairbanks, AK 99775, COOPERDOCK, Emily, Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089-0740 and MCDERMOTT, Robert, U.S. Geological Survey, Alaska Science Center, Anchorage, AK 99508
4:30 PM
­AN INTERLABORATORY COMPARISON OF THE GOETHITE (SITE-SPECIFIC) OXYGEN ISOTOPE THERMOMETER
CISNEROS, Miguel1, MILLER, Hayden2, TREFFKORN, Jonathan3, OERTER, Erik1, SINGLETON, Michael1, FARLEY, Kenneth A.3, VASCONCELOS, Paulo M.4 and DONALD, Scott1, (1)Lawrence Livermore National Laboratory, Livermore, CA 94550, (2)Los Alamos National Laboratory, Los Alamos, NM 87545, (3)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, (4)School of Earth Sciences, University of Queensland, Brisbane, Australia
 
4:45 PM
Discussion
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