Megan Elwood Madden
University of Oklahoma, Norman, OK
Activity
2023
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PROBING AQUEOUS PROCESSES IN SALTY SYSTEMS: USING RAMAN AND ESEM TO CHARACTERIZE GEOFLUIDS AND INVESTIGATE BRINE-MINERAL INTERACTIONS THROUGHOUT THE SOLAR SYSTEM
T150 Geologic Fluids: Agents of ChangeTuesday, 17 October 20238:00 AM - 12:00 PM330
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ENCOURAGING, RECOGNIZING, AND REWARDING INCLUSIVE TEACHING BY ALIGNING EVALUATION SYSTEMS WITH STRATEGIC GOALS
T4 Inclusive Geoscience Teaching for Today’s StudentsSunday, 15 October 20238:00 AM - 12:00 PM330
2022
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PHYSICAL AND CHEMICAL WEATHERING IN A COLD-SEMIARID, TECTONICALLY ACTIVE PROGLACIAL SYSTEM IN NORTHERN PERU
T252 Advances in Fluvial GeomorphologyWednesday, 12 October 20221:30 PM - 5:30 PM405
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WEATHERING SIGNATURES IN TERRESTRIAL MUDS: PROVENANCE MASKS PALEOCLIMATE SIGNALS
T162 Mineralogy, Petrology, and Geochemistry: New Approaches to Harnessing the Multidimensionality of Complex SystemsTuesday, 11 October 20228:00 AM - 12:00 PM505
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JAROSITE AND FERRIHYDRITE TRANSFORMATION PRODUCTS IN NEAR-SATURATED MARTIAN BRINES
64 D28. Recent Advances in Planetary Geology (Posters)Sunday, 9 October 20222:00 PM - 6:00 PMExhibit Hall F
2021
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A SALTY COCKTAIL ON THE ROCKS. THE EFFECTS OF BRINES ON THE DISSOLUTION, FORMATION, AND PRESERVATION OF NEAR-SURFACE MINERALS ON MARS
T179 The G.K. Gilbert Award Session IITuesday, 12 October 20211:30 PM - 5:30 PMPortland Ballroom 256 (Hybrid Room)
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GEOCHEMISTRY AND POTENTIAL ORIGINS OF SILT IN GRANITOID-HOST SOILS FROM HOT-HUMID AND HOT-ARID CLIMATES
T180 Weathering and Soils: Advances in Understanding Rates, Mechanisms, Controlling Factors and FeedbacksTuesday, 12 October 20211:30 PM - 5:30 PMD139/D140
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EFFECTS OF HURRICANE-INDUCED MASS WASTING ON SOIL TRANSPORT AND CHEMICAL WEATHERING IN A TROPICAL FLUVIAL SYSTEM IN PUERTO RICO
T180 Weathering and Soils: Advances in Understanding Rates, Mechanisms, Controlling Factors and FeedbacksTuesday, 12 October 20211:30 PM - 5:30 PMD139/D140
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WHO ARE WE? WHAT IDENTITIES DO WE HOLD? HURDLES AND PATHWAYS FOR COLLECTING FACULTY DEMOGRAPHIC DATA IN THE GEOSCIENCES
153 D41. Recent Advances in Geoscience Education (Posters)Tuesday, 12 October 20219:00 AM - 1:00 PMExhibit Hall A
2016
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CHLORIDE AND SULFATE EXCHANGE IN SHORT-TERM, LOW TEMPERATURE BRINE + JAROSITE EXPERIMENTS
T313 Partitioning of Chlorine and Associated Halogens between Minerals, Melts, and BrinesWednesday, 28 September 20161:30 PM - 5:30 PMRoom 205
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THE INFLUENCE OF TEMPERATURE ON MICROBIAL COLONIZATION, CRATERS OF THE MOON NATIONAL MONUMENT, IDAHO: IMPLICATIONS FOR BIOSIGNATURE FORMATION WITHIN “SPECIAL REGIONS” ON MARS
T109 Past and Present Biosignature Recognition on Earth, Mars, and BeyondMonday, 26 September 20168:00 AM - 12:00 PMMile High Ballroom 2C
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UNEXPECTEDLY LOW CHEMICAL WEATHERING RECORDED IN FLUVIAL SEDIMENTS OF A HOT-HUMID SYSTEM
T61 Deep Weathering, Ancient Landscapes and Regolith- Dominated Terrains (Posters)Sunday, 25 September 20169:00 AM - 5:30 PMExhibit Hall E/F
2015
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ASSESSING THE REACTIVE SURFACE AREA OF SEDIMENTS FROM END-MEMBER CLIMATES: IMPLICATIONS FOR EARTH & MARS
307 Planetary Geology (Posters)Wednesday, 4 November 20159:00 AM - 6:30 PMExhibit Hall
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QUANTIFYING PARTICLE SHAPE BY IMAGE ANALYSIS: APPLICATION TO NATURAL SEDIMENT SAMPLES IN VARIOUS CLIMATE SYSTEMS
T208 An Early Involvement of Undergraduates and K–12 Students in Geological Research Brings a Strong Sense of Ownership and Achievement for Young Researchers (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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PLAGIOCLASE DISSOLUTION RATES AND MECHANISMS IN NEAR SATURATED BRINES: IMPLICATIONS FOR POST-NOACHIAN AQUEOUS ALTERATION ON MARS
T21 When Water Meets Rock: Aqueous Alteration in the Solar SystemSunday, 1 November 20158:00 AM - 12:00 PMRoom 344
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MAGNESITE DISSOLUTION IN NEAR SATURATED BRINES: UNEARTHING MARS' AQUEOUS ALTERATION HISTORY
28 Geochemistry (Posters)Sunday, 1 November 20159:00 AM - 5:30 PMExhibit Hall
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BIOTITE WEATHERING IN A HOT-ARID VERSUS HOT-HUMID CLIMATE
21 Petrology and Geophysics (Posters)Friday, 20 March 20159:00 AM - 4:00 PMStarlight Terrace
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WEATHERING OF PLAGIOCLASE UNDER DIFFERING CLIMATIC REGIMES: A PRELIMINARY MICROPROBE ANALYSIS
14 Undergraduate Research (Posters)Thursday, 19 March 20154:30 PM - 7:00 PMStarlight Terrace
2011
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FROM ROVER TO LABORATORY: EXAMINING JAROSITE DISSOLUTION AND COUPLED HEMATITE PRECIPITATION TO CONSTRAIN ANCIENT AQUEOUS ENVIRONMENTS AT MERIDIANI PLANUM
T167 Robotic Exploration of Planetary Surfaces: The G.K. Gilbert Award SessionTuesday, 11 October 20118:00 AM - 12:00 PMRoom L100H-J
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EFFECTS OF ACTIVITY OF WATER ON THE DISSOLUTION RATES OF K-JAROSITE
T189 Limnogeology: Interdisciplinary Studies of Lakes and Paleolakes (Posters)Tuesday, 11 October 20119:00 AM - 6:00 PMHall C
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CHEMICAL WEATHERING AND GEOCHEMICAL MODELING WITHIN GLACIAL MELT WATER STREAMS, WRIGHT AND TAYLOR VALLEY, ANTARCTICA
T183 Processes of Subglacial Erosion, Sediment Transport, and Deposition (Posters)Tuesday, 11 October 20119:00 AM - 6:00 PMHall C
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RATES AND PRODUCTS OF ARSENOJAROSITE DISSOLUTION
T40 Sources, Transport, and Fate of Trace and Toxic Elements in the Environment (Posters)Sunday, 9 October 20119:00 AM - 6:00 PMHall C
2010
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FROM THEORY TO OBSERVATION: THE DATA DRIVEN TRANSITION FROM THERMODYNAMICS TO KINETICS IN MARS GEOCHEMISTRY
T236 Frontiers in Geochemistry: Kinetics and Thermodynamics of Chemical Reactions in Earth Environments through Integrated Field, Experimental, and Theoretical Studies: In Honor of J. Donald RimstidtWednesday, 3 November 20108:00 AM - 12:00 PMRoom 302
2009
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PRECIPITATION OF URANYL PHOSPHATE INFLUENCED BY MINERAL SURFACES
168 Geochemistry (Posters)Tuesday, 20 October 20099:00 AM - 6:00 PMHall A
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RATES, TEXTURES, AND NANO-MINERALOGY OF JAROSITE DISSOLUTION
T109 Frontiers in Mineral Sciences: Mineral/Melt Energetics, Mineral Surface Chemistry, Mineral Nanoscience, and High-Pressure Mineralogy (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
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NEW COURSE DEVELOPS STUDENT EXPERTISE IN GEOSCIENCE WRITING
T47 The Nature of Geoscience Expertise (Posters)Sunday, 18 October 20099:00 AM - 6:00 PMHall A
Date Unknown
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Estimating Duration of Diagenesis at Meridiani Planum from Jarosite Dissolution Rates
195 Planetary Geology (Posters)