Dawn Sumner
University of California-Davis, Davis, CA
Activity
2023
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CHARACTERIZATION OF TRAPPED AND BOUND SILICICLASTICS IN VARIABLE MORPHOLOGY MICROBIAL MATS USING MICRO X-RAY CT IN LAKE FRYXELL, MCMURDO DRY VALLEYS, ANTARCTICA
T44 New Voices in Geobiology (Posters)Sunday, 15 October 20238:00 AM - 5:30 PMHall B
2021
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SEAFLOOR PYRITE NODULES IN THE 2.6 GA JEERINAH FORMATION
227 D22. Recent Advances in Precambrian Geology (Posters)Wednesday, 13 October 20219:00 AM - 1:00 PMExhibit Hall A
2020
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WHAT IMPACTS THE RECORD OF THE BIOLOGICAL SULFUR CYCLE AT 2.63 GA?
T78 Biosediments: Tracking Biogenic Materials and Sedimentation Processes through TimeTuesday, 27 October 20201:30 PM - 5:30 PMMeeting Rooms
2016
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FACIES ANALYSIS AND STRATIGRAPHIC CONTEXT OF THE PAHRUMP HILLS OUTCROP, TYPE LOCALITY OF THE BASAL MURRAY FORMATION, GALE CRATER, MARS
T20 Sedimentary Records in the Solar SystemSunday, 25 September 20168:00 AM - 12:00 PMMile High Ballroom 2C
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EVOLVING MODELS FOR FACIES AND COMPOSITIONAL VARIATIONS IN THE MURRAY FORMATION MUDSTONE, GALE CRATER, MARS
T20 Sedimentary Records in the Solar SystemSunday, 25 September 20168:00 AM - 12:00 PMMile High Ballroom 2C
2014
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GEOLOGIC MAPPING OF THE MARS SCIENCE LABORATORY LANDING ELLIPSE
T234 MicroMars to MegaMars: Integration of Surface and Orbital Investigations (Posters)Tuesday, 21 October 20149:00 AM - 6:30 PMExhibition Hall C
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LITHIFICATION OF SEDIMENTARY ROCKS ON MARS – A VIEW FROM CURIOSITY
T172 When Water Meets Rock: Aqueous Alteration in the Solar System IIMonday, 20 October 20141:00 PM - 5:00 PM301
2013
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THE ORIGIN AND EVOLUTION OF THE PEACE VALLIS ALLUVIAL FAN SYSTEM
T275 Landscape Evolution on the Terrestrial Planets: The G.K. Gilbert Award SessionTuesday, 29 October 20131:00 PM - 5:00 PMRoom 201
2012
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POLYGONAL FRACTURE NETWORKS, GALE CRATER, MARS
69 Mars Rover Curiosity: Geoscience in Gale CraterMonday, 5 November 20128:00 AM - 12:00 PMBallroom B
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ALLUVIAL FANS NEAR THE CURIOSITY LANDING SITE
69 Mars Rover Curiosity: Geoscience in Gale CraterMonday, 5 November 20128:00 AM - 12:00 PMBallroom B
2009
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DISCOVERY OF A NEW SPHERULE LAYER IN THE HAMERSLEY BASIN (WESTERN AUSTRALIA) REPRESENTING A FOURTH ASTEROID IMPACT NEAR THE ARCHEAN/PROTEROZOIC BOUNDARY
T207 Impact Cratering from the Microscopic to the Planetary Scale ITuesday, 20 October 20091:30 PM - 5:30 PMA106
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MULTIPLE ORIGINS OF DIVERSE MICROBIAL FABRICS IN PRECAMBRIAN THROMBOLITES
T10 Microbial Mats, Biogeochemical Markers, and Microbial Evolution: The Co-Evolution of Early Earth and Microbial LifeSunday, 18 October 20098:00 AM - 12:00 PMC124
2007
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DIFFERENTIAL DISSOLUTION AND RECRYSTALLIZATION: MICROSCALE CLUES TO PRECURSOR MINERAL SOLUBILITY
T135 Up Close and Personal: Geology on Mars and Earth at the Handlens ScaleTuesday, 30 October 20078:00 AM - 12:00 PM
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DEL.ICIO.US, YOUTUBE, AND UNDERGRADUATE SEDIMENTOLOGY STUDENTS
T99 Teaching Sedimentary Geology in the Twenty-First CenturyMonday, 29 October 20071:30 PM - 5:30 PM
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INTERACTIVE IMMERSIVE VISUALIZATION OF GEOSCIENCE DATA
2 Computer Based Demonstration SessionThursday, 17 May 20072:30 PM - 4:30 PM
2005
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CRACKS AND FINS: PIECES OF MARS AT WHITE SANDS NATIONAL MONUMENT, NEW MEXICO
T249 Sedimentology Goes to MarsWednesday, 19 October 20051:30 PM - 5:30 PM
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ISOTOPIC FINGERPRINTS OF MICROBIAL RESPIRATION IN ARAGONITE FROM MODERN BAHAMIAN STROMATOLITES
T179 Comparative Carbonate Sedimentology II: A Tribute to the Career of R.N. GinsburgTuesday, 18 October 20051:30 PM - 5:30 PM
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A MODEL FOR VERTICALLY ORIENTED SURFACES IN MICROBIAL MATS
42 Microbial Ecology and GeobiologyWednesday, 10 August 20051:30 PM - 4:30 PM
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DEVELOPMENT OF COMPLEX MORPHOLOGY IN A CYANOBACTERIAL LABORATORY MODEL SYSTEM: IMPLICATIONS FOR THE INTERPRETATION OF FOSSIL MICROBIALITES
42 Microbial Ecology and GeobiologyWednesday, 10 August 20051:30 PM - 4:30 PM
2004
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STROMATOLITES AND MICROBIALITES IN SUBTIDAL CARBONATES OF THE NEOARCHEAN CARAWINE FORMATION, HAMERSLEY GROUP, WESTERN AUSTRALIA
103 Sediments, CarbonatesMonday, 8 November 20041:30 PM - 5:30 PM
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NEUTRON COMPUTED TOMOGRAPHY AND DESCRIPTION OF MOLAR TOOTH STRUCTURES IN THE NEOARCHEAN BOOMPLAAS AND MONTEVILLE FORMATIONS, AND THE PALEOPROTEROZOIC HOTAZEL IRON-FORMATION, SOUTH AFRICA
103 Sediments, CarbonatesMonday, 8 November 20041:30 PM - 5:30 PM
2003
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EVIDENCE FOR MICROBE-ENVIRONMENT INTERACTIONS: A NEOARCHEAN CASE STUDY SPANNING SCALES OF KILOMETERS TO MICRONS
T145 The Hunt for Precambrian Life: An Integrated ApproachTuesday, 4 November 20038:00 AM - 12:00 PM
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INTUITIVE SEQUENCE STRATIGRAPHY: REPLACING LECTURES WITH INQUIRY-BASED COMPUTER LABS
T138 Innovative Approaches to Teaching Sedimentary Geology CoursesTuesday, 4 November 200310:00 AM - 12:00 PM
2002
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CONSTRAINTS ON MOLAR TOOTH STRUCTURE FROM THE NEOARCHEAN MONTEVILLE FORMATION
151 Carbonate Stratigraphy, Diagenesis, and GeochemistryTuesday, 29 October 20021:30 PM - 5:30 PM
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LARGE-IMPACT TRIGGERED TSUNAMI DEPOSITS IN THE DEEP SEA: EXAMPLES FROM THE 65MA CHICXULUB CRATER AND 2.5-2.6GA HAMERSLEY BASIN
T178 Impact StratigraphyTuesday, 29 October 20021:30 PM - 5:30 PM
2001
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CHANGES IN FACIES DISTRIBUTIONS AS AN INDICATOR OF STROMATOLITE REEF GROWTH IN A NEOARCHEAN CARBONATE PLATFORM
T168 The Margins of Reefs and Carbonate PlatformsThursday, 8 November 20018:00 AM - 12:00 PM
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GLACIAL INTERPRETATION FOR THE RAINSTORM MEMBER OF THE JOHNNIE FORMATION, EASTERN CALIFORNIA
18 Undergraduate Research (Sponsored by the Council on Undergraduate Research) (Posters)Monday, 9 April 20011:00 PM - 5:00 PM
Date Unknown
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IDENTIFICATION OF FENESTRATE MICROBIALITES FROM THE NEOARCHEAN CARAWINE FORMATION, WESTERN AUSTRALIA
T195 The Hunt for Precambrian Life: An Integrated Approach (Posters)
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GEOCHEMISTRY OF MOLAR TOOTH STRUCTURE MICROSPAR FROM THE NEOARCHEAN MONTEVILLE FORMATION, SOUTH AFRICA
T195 The Hunt for Precambrian Life: An Integrated Approach (Posters)
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ISOTOPIC VARIABILITY IN BACKREEF STRATA OF THE PERMIAN REEF COMPLEX, MCKITTRICK CANYON, WEST TEXAS
25 Sediments, Carbonates (Posters)
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MOTILITY AND MORPHOGENESIS IN A CYANOBACTERIAL BIOFILM
51 Geomicrobiology (Posters)
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Stromatolitic Buildups and Associated Microbial Facies of the Neoproterozoic Beck Spring Dolomite, Southern California
304 Sediments, Carbonates / Clastic (Posters)
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A BIOFILM ORIGIN OF RENALCIDS
100 Geochemistry (Posters)
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PROMOTING PROCESSES OF PEAK PRODUCTION IN MICROBIAL MATS
151 Geomicrobiology (Posters): Microbe-Mineral Interactions, Life in Extreme Environments, and Early Microbial Life on Earth
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MORPHOGENESIS OF LABORATORY BIOFILMS
24 Geomicrobiology (Posters)