C.M. Johnson
University of Wisconsin-Madison; NASA Astrobiology Institute, Madison, WI
Activity
2017
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NEW INSIGHTS INTO LOW-TEMPERATURE SI ISOTOPE EXCHANGE KINETICS AND FRACTIONATION USING LABORATORY EXPERIMENTS
T199 The Role of Silica in the Earth System: From Organisms to Global Biogeochemical CyclesTuesday, 24 October 20178:00 AM - 12:00 PMRoom 606
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TRACING OF THE COUPLED SI AND FE CYCLE IN THE ARCHEAN OCEAN
T249 The Co-Evolution of Life and Its Environment during the Precambrian: The Rise of Oxygenic Photosynthesis and the Great Oxidation EventTuesday, 24 October 20171:30 PM - 5:30 PMSkagit 5
2016
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PHANEROZOIC AU IN A PALEOPROTEROZOIC CU VEIN DEPOSIT OF CENTRAL WISCONSIN; EVIDENCE FROM PB ISOTOPES USING LA-ICP-MS
T212 Mineral Resources for Society: Honoring the Career and Contributions to Economic Geology of Jean S. ClineTuesday, 27 September 20161:30 PM - 5:30 PMRoom 301
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LAKE-MARGIN CARBONATE δ18O, δ13C, AND 87SR/86SR, NORTHERN BRIDGER BASIN EOCENE GREEN RIVER FORMATION, WYOMING
T159 Lake Deposits on Earth and Mars (Posters): In Memory of Elizabeth H. Gierlowski-KoredeschMonday, 26 September 20169:00 AM - 6:30 PMExhibit Hall E/F
2014
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HIGH RESOLUTION CORRELATION OF EOCENE LAKE DEPOSITS (GREEN RIVER FORMATION, WYOMING) USING SR –ISOTOPE CHEMOSTRATIGRAPHY
T151 Modern and Ancient Continental Depositional Environments: Linking Landscape Evolution with Fluvial Systems and Lacustrine Basins through the CenozoicMonday, 20 October 20141:00 PM - 5:00 PM211
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IRON ISOTOPE SIGNATURE IN SEDIMENTS OF AN OLIGOTROPHIC LAKE
T132 Frontiers in Non-Traditional Stable Isotopes: In Honor of Fang-Zhen Teng, Recipient of the 2014 MSA Award (Posters)Monday, 20 October 20149:00 AM - 6:30 PMExhibition Hall C
2013
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EXAMINING TIMELINES OF HYDROTHERMAL EXCHANGE AND PARTIAL MELTING USING SIMS IN-SITU δ18O MEASUREMENTS IN GRANODIORITE EJECTED IN THE CLIMACTIC ERUPTION OF MOUNT MAZAMA, CRATER LAKE, OREGON
T119 What Can We Learn About Plutons From Volcanic Rocks and What Can We Learn About Volcanoes From Plutonic Rocks?Wednesday, 30 October 20138:00 AM - 12:00 PMRoom 603
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SR ISOTOPE RECORDS FROM LACUSTRINE CARBONATES; FIDELITY FROM MASS BALANCE MODELS
T292 Continental CarbonatesTuesday, 29 October 20131:00 PM - 5:00 PMRoom 301
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IRON ISOTOPE EXCHANGE AND FRACTIONATION BETWEEN AQUEOUS FE(II) AND MAGNETITE: IMPLICATIONS FOR EQUILIBRIUM IRON ISOTOPE FRACTIONATION FACTORS AND INTERPRETING IRON ISOTOPE COMPOSITIONS IN THE ROCK RECORD
T149 Biogeochemical Processes Affecting Metal and Metalloid Isotopes (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
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THE EFFECT OF PH ON STABLE FE ISOTOPE EXCHANGE AND FRACTIONATION BETWEEN AQUEOUS FE(II) AND GOETHITE
T149 Biogeochemical Processes Affecting Metal and Metalloid Isotopes (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
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IRON ISOTOPE CHARACTERISTICS OF HOT SPRINGS AT CHOCOLATE POTS, YELLOWSTONE NATIONAL PARK
T149 Biogeochemical Processes Affecting Metal and Metalloid Isotopes (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
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INTEGRATING THE PALEOARCHEAN TO MESOPROTEROZOIC CRUSTAL GROWTH AND BIOGEOCHEMICAL RECORDS: DRIVERS AND RESPONSES
T91 The Pulse of the Earth: Episodic and Periodic Events on Timescales of ³10 million YearsSunday, 27 October 20131:00 PM - 5:00 PMRoom 203
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SMALLER, BETTER, MORE: FIVE DECADES OF ADVANCES IN GEOCHEMISTRY. PART 1 - INORGANIC GEOCHEMISTRY
5 Special Session: GSA 125th Anniversary Books: I, The Web of Geological Sciences: Advances, Impacts, and Interactions; II, The Impact of Geological Sciences on Society: Authors Present Summaries of Their Articles ISunday, 27 October 20138:00 AM - 12:00 PMRoom 607
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SMALLER, BETTER, MORE: FIVE DECADES OF ADVANCES IN GEOCHEMISTRY. PART II - ORGANIC GEOCHEMISTRY
5 Special Session: GSA 125th Anniversary Books: I, The Web of Geological Sciences: Advances, Impacts, and Interactions; II, The Impact of Geological Sciences on Society: Authors Present Summaries of Their Articles ISunday, 27 October 20138:00 AM - 12:00 PMRoom 607
2011
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EQUILIBRIUM IRON ISOTOPE FRACTIONATION BETWEEN AQUEOUS FE(II) AND MODEL ARCHEAN OCEAN FE-SI COPRECIPITATES
T129 Microbial Mediation of Authigenic Minerals: From Precipitation to DissolutionMonday, 10 October 20111:30 PM - 5:30 PMRoom 211AB
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EXPERIMENTAL DETERMINATION OF MG ISOTOPE FRACTIONATION DURING PRECIPITATION OF INORGANIC CALCITE
T58 Advances in Terrestrial Paleoclimatology and Paleoecology: Geochemical Techniques and Examples Using Inorganic and Organic Molecules in Fossil Soils, Plants, Invertebrates, and Vertebrates ISunday, 9 October 20111:30 PM - 5:30 PMRoom 200FG
2010
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INTERPRETING SM-ND GEOCHRONOLOGY OF GARNET-BEARING ROCKS: AN EXAMPLE FROM THE ZERMATT-SAAS OPHIOLITE, WESTERN ALPS, ITALY
T240 Garnet and Its Use in Unraveling Metamorphic and Tectonic ProcessesWednesday, 3 November 20108:00 AM - 12:00 PMMile High Ballroom 1CD
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UNDERSTANDING PROGRADE METAMORPHIC PATHS BY COMBINING SM-ND AND LU-HF GEOCHRONOLOGY WITH GARNET REE ZONATIONS AND SIZE DISTRIBUTIONS
T267 Garnet and Its Use in Unraveling Metamorphic and Tectonic Processes (Poster)Wednesday, 3 November 20108:00 AM - 6:00 PMHall D
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EXPERIMENTAL DETERMINATION OF IRON ISOTOPE FRACTIONATIONS AMONG FE(II)aq-FeSaq-MACKINAWITE AT LOW TEMPERATURES
228 Recent Advances in Geochemistry GeologyWednesday, 3 November 20108:00 AM - 12:00 PMRoom 205
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ISOTOPE AND ELECTRON EXCHANGE DYNAMICS IN AQUEOUS REDOX TRANSFORMATIONS OF IRON
T64 Mineral Behavior and Molecular-Scale Processes in the EnvironmentSunday, 31 October 20103:30 PM - 5:30 PMRoom 207
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FE, C, AND O ISOTOPE COMPOSITIONS OF BANDED IRON FORMATION CARBONATES DEMONSTRATE THE ROLE OF BACTERIAL DISSIMILATORY IRON REDUCTION IN ~ 2.5 B.Y. OLD MARINE ENVIRONMENTS
15 Igneous/Metamorphic Petrology and Geochemistry IISunday, 14 March 20101:30 PM - 4:15 PMHopkins
2009
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IRON AND CARBON ISOTOPE EVIDENCE FOR ECOSYSTEM AND ENVIRONMENTAL DIVERSITY IN THE ~2.7 TO 2.5 GA HAMERSLEY BASIN, WESTERN AUSTRALIA
T206 Greenstone Belts, Archaean Earth, and Early LifeTuesday, 20 October 20091:30 PM - 5:30 PMB116
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BIOTITE-SANIDINE 40Ar/39Ar AGE DISCORDANCES REFLECT Ar PARTITIONING AND PRE-ERUPTION CLOSURE IN BIOTITE
T160 EARTHTIME: From Developing Tools to Teaching about TimeTuesday, 20 October 20098:00 AM - 12:00 PMC123
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STABLE FE ISOTOPE PROBING OF AQUEOUS FE(II)-HEMATITE SURFACE INTERACTIONS
T64 Frontiers in Mineral Sciences: Mineral/Melt Energetics, Mineral Surface Chemistry, Mineral Nanoscience, and High-Pressure Mineralogy IISunday, 18 October 20091:30 PM - 5:30 PME145
2008
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Sandstone and Conglomerate Populations from the Late Cretaceous-Eocene Gualala Basin, CA
T338 Recent Advances in Deepwater Sedimentology: Science Driven by the Search for Natural ResourcesThursday, 9 October 20088:00 AM - 12:00 PM
2005
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IRON ISOTOPES IN TERRESTRIAL HEMATITE AND GOETHITE CONCRETIONS: IMPLICATIONS FOR DIAGENETIC HISTORY ON MARS
T249 Sedimentology Goes to MarsWednesday, 19 October 20051:30 PM - 5:30 PM
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LU/HF AND SM/ND AGES OF ECLOGITE-FACIES METAMORPHISM IN THE WESTERN GNEISS REGION, NORWAY
171 Tectonics IITuesday, 18 October 20051:30 PM - 5:30 PM
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MODELING DIFFUSION LIMITED UPTAKE OF TRACE ELEMENTS BY ECLOGITE GARNETS
T21 Dynamics of Metamorphic and Hydrothermal Processes: From Grain-Scale to Mountain Belt ISunday, 16 October 20058:00 AM - 12:00 PM
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INVITED: BACTERIOGENIC SULFIDE FORMATION: STABLE ISOTOPE SYSTEMATICS OF IRON-SULFUR-ORGANIC CARBON IN THE ARCHEAN-PALEOPROTEROZOIC BLACK SHALES AND CRETACEOUS BLACK SHALES
4 The Search for Archean Life on Earth and BeyondMonday, 8 August 20059:00 AM - 12:00 PM
2004
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ISOTOPIC CONSTRAINTS ON THE SOURCES OF FE IN BANDED IRON FORMATIONS
197 Precambrian GeologyWednesday, 10 November 20048:00 AM - 12:00 PM
2003
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ARCHEAN TO PALEOZOIC EVOLUTION OF THE SANDVIK GARNET PERIDOTITE, WESTERN GNEISS REGION, NORWAY
T219 Phase Relations, High P-T Terrains, P-T-ometry and Plate Pushing IV: A Tribute to W.G. ErnstWednesday, 5 November 20038:00 AM - 12:00 PM
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THE DURATION OF PROGRADE METAMORPHISM OF A UHP TERRANE: AN EXAMPLE FROM LAGO DI CIGNANA, ZERMATT-SAAS OPHIOLITE, ITALY
T78 Phase Relations, High P-T Terrains, P-T-ometry and Plate Pushing III: A Tribute to W.G. ErnstMonday, 3 November 20038:00 AM - 12:00 PM
2002
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IRON ISOTOPE FRACTIONATION IN THE SYSTEM FE(III)-FE(II)-HEMATITE-MAGNETITE-FE CARBONATE, AND IMPLICATIONS FOR THE ORIGIN OF BANDED IRON FORMATIONS
T169 Evolution of the Early Atmosphere, Hydrosphere, and Biosphere I: Constraints from Ore DepositsTuesday, 29 October 20021:30 PM - 5:30 PM
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SR, ND, AND PB ISOTOPE CONSTRAINTS ON THE PETROGENESIS OF MT. ADAMS, A CASCADE ARC VOLCANO
121 Petrology, Igneous and ExperimentalTuesday, 29 October 20028:00 AM - 12:00 PM
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OXYGEN AND STRONTIUM ISOTOPIC EVIDENCE FOR THE ABRUPT AND STEEPLY-DIPPING SUTURE BETWEEN LITHOSPHERIC PLATES IN THE IDAHO BATHOLITH
T80 Rocky Mountains II: Lithospheric Structure and Evolution of Rocky Mountain Region, from Deep Mantle to Mountain Tops IMonday, 28 October 20028:00 AM - 12:00 PM
2001
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PROVENANCE OF SUBDUCTED OCEANIC SEDIMENTS IN THE UHP TERRAINS OF THE WESTERN ALPS
176 Metamorphic Petrology IIIThursday, 8 November 20011:30 PM - 5:30 PM
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OSMIUM ISOTOPE SYSTEMATICS: OBSERVATIONS FROM THE CASCADE ARC
129 Igneous Petrology IIWednesday, 7 November 20011:30 PM - 5:30 PM
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ISOTOPE (ND-SR-PB-O) PROVINCIALITY REVEALED BY TERTIARY VOLCANIC ROCKS FROM THE INDIAN PEAK AND CENTRAL NEVADA CALDERA COMPLEXES OF THE SOUTHERN GREAT BASIN
129 Igneous Petrology IIWednesday, 7 November 20011:30 PM - 5:30 PM
Date Unknown
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DURATION OF PROGRADE METAMORPHISM AS CONSTRAINED BY HIGH-PRECISION LU-HF GEOCHRONOLOGY OF HP/UHP ECLOGITES FROM THE WESTERN ALPS
T262 Phase Relations, High P-T Terrains, P-T-ometry and Plate Pushing (Posters): A Tribute to W.G. Ernst
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AN INTEGRATED STUDY OF UPPER MANTLE XENOLITHS FROM THE SAN ANDREAS FAULT, CALIFORNIA
224 Tectonics (Posters) III: Cascades, California, Laramide, and Circum-Pacific Tectonics
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MICROBIOLOGICAL AND IRON-ISOTOPIC EVIDENCE FOR DISSIMILATORY IRON REDUCTION IN RESERVOIR SEDIMENT NEAR IRON MOUNTAIN, CALIFORNIA
24 Geomicrobiology (Posters)
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RB-SR AND U-PB AGE SYSTEMATICS OF THE ALESSANDRINI SILICIC COMPLEX AND RELATED MYLONITES, PATAGONIA, ARGENTINA
88 Igneous Petrology (Posters)