John C. Ayers
Vanderbilt University, Nashville, TN
Activity
2024
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BIOGEOCHEMICAL DYNAMICS AND DIEL CYCLES IN STEPHENS LAKE: A MODEL OF AN UNPOLLUTED FRESHWATER SYSTEM
T190 Lakes of the World Through Time and Space — Archives of Climate, Paleoenvironments, Ecosystems, Geohazards, and Economic Resources (Posters)Tuesday, 24 September 20248:00 AM - 5:30 PMHall D
2021
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ARE NUTRIENTS AFFECTED BY DIEL CYCLES IN STREAMS? STUDY OF A LOW-DISCHARGE STREAM IN MIDDLE TN
T205 Groundwater–Surface Water Interactions in Streams, Lakes, and WetlandsWednesday, 13 October 20218:00 AM - 12:00 PMD136 (Hybrid Room)
2020
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ELEMENT TRANSPORT AND PARTITIONING ALONG TIDAL CHANNELS IN SOUTHWEST BANGLADESH
T62 Global Health and Environmental Matrices in a Sustainable EarthTuesday, 27 October 202010:00 AM - 12:00 PMMeeting Rooms
2018
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TRACE METAL GEOCHEMICAL CYCLING IN SHRIMP PONDS IN SOUTHWEST BANGLADESH: INSIGHT INTO MOBILITY AND POTENTIAL UPTAKE BY SHRIMP
T254 Arsenic, Manganese, Chromium, and Other Geogenic Contaminants, Including Radionuclides in Hydrological Systems—Source, Biogeochemical Cycling, Toxicity, and Removal (Posters)Wednesday, 7 November 20189:00 AM - 6:30 PMHalls J-K
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SOLUBILITY OF SPHENE IN SILICEOUS MELTS
T137 Work on the Zircon, Highlight the Apatite: Wielding the Power of Accessory Minerals and Honoring the Contributions of Bruce Watson, 2018 Roebling MedalistMonday, 5 November 20181:30 PM - 5:30 PMRoom 240-241
2017
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USE OF ZIRCON U-PB AGES AND BULK TRACE ELEMENT AND ND AND HF ISOTOPE COMPOSITIONS TO DETERMINE SOIL PROVENANCE IN A LIMESTONE TERRANE, MIDDLE TN, USA
T48 Teasing New Information out of (Old) Zircon: In Honor of Dustin Trail, 2017 MSA RecipientSunday, 22 October 20171:30 PM - 5:30 PMSkagit 3
2015
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ZIRCON/FLUID TRACE ELEMENT PARTITION COEFFICIENTS MEASURED BY RECRYSTALLIZATION OF MUD TANK ZIRCON AT 1.5 GPA AND 800-1000°C
T168 Subduction, Fluids, Accessory Minerals, and Trace Elements: A Celebration of Sorena Sorensen's CareerMonday, 2 November 20151:30 PM - 5:30 PMRoom 341
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EVOLUTION OF SALINE AND ARSENIC CONTAMINATED GROUNDWATER IN SOUTHWEST BANGLADESH
T118 Understanding Saline Fluid Flow Systems: From Saltwater Intrusion to Geologic-Scale Brine Migration (Posters)Monday, 2 November 20159:00 AM - 6:30 PMExhibit Hall
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CHARACTERIZATION OF LOESS AND ALLUVIUM INPUTS INTO MODERN SOILS IN MIDDLE TENNESSEE USING ZIRCON U-PB GEOCHRONOLOGY
T23 New Applications of Geochronologic Techniques to Quaternary and Archaeological SettingsSunday, 1 November 20158:00 AM - 12:00 PMRoom 341
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PROVENANCE OF MODERN SOILS, LOESS, ALLUVIUM, AND LIMESTONE AND CHERT BEDROCK OF MIDDLE TENNESSEE ASSESSED USING ZIRCON U-PB GEOCHRONOLOGY
12 Quaternary Geology, Geomorphology and SoilsThursday, 19 March 20151:00 PM - 5:00 PMAmphitheater
2013
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PROVENANCE OF MODERN SOILS OF MIDDLE TENNESSEE ASSESSED USING ACCESSORY MINERAL U-PB GEOCHRONOLOGY
T320 Pedogenic Minerals as Indicators of Ecosystems: Understanding the Critical Zone through Space and TimeWednesday, 30 October 20138:00 AM - 12:00 PMRoom 504
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SOURCES OF SALINITY IN SURFACE AND GROUND WATER IN A POLDER IN SOUTHWESTERN BANGLADESH
T10 Streams and Aquifers: Integrating the Physical and Chemical ISunday, 27 October 20138:00 AM - 12:00 PMRoom 301
2012
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COUNTRY ROCK MONAZITE RESPONSE TO INTRUSION OF THE SEARCHLIGHT PLUTON, SOUTHERN NEVADA
207 Advances in Mineralogy and PetrologyWednesday, 7 November 20128:00 AM - 12:00 PM208A
2010
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SPHENE (TITANITE) AS TRACER OF PROCESSES IN FELSIC MAGMAS: EXAMPLES FROM MIOCENE ROCKS OF THE COLORADO RIVER EXTENSIONAL CORRIDOR (CREC), NV-AZ-CA
T266 Accessory Minerals as Monitors of Magmatic Processes: New Ideas, Applications, and Pitfalls (Posters)Wednesday, 3 November 20108:00 AM - 6:00 PMHall D
2008
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Experimental Measurements of Zircon/melt Partition Coefficients: Potential Errors Associated with the Development of Diffusional Boundary Layers
193 Mineralogy/Crystallography; Petrology, Experimental; Igneous; Metamorphic (Posters)Monday, 6 October 20088:00 AM - 6:00 PM
2005
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ZIRCON/FLUID TRACE ELEMENT PARTITIONING
35 Petrology, MetamorphicSunday, 16 October 20053:30 PM - 5:30 PM
2004
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VARIATIONS OF RESISTIVITY AND CARRIER TYPE FOR SYNTHETIC PYRITE DOPED WITH AS, CO, AND NI: IMPLICATIONS FOR OXIDATION
T40 Advanced Characterization of the Structures and Behaviors of MineralsSunday, 7 November 20041:30 PM - 5:30 PM
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SYNTHESIS AND CHARACTERIZATION OF LARGE CO, NI, AND AS DOPED PYRITE CRYSTALS PRODUCED BY CHEMICAL VAPOR TRANSPORT
21 The Role of Geology in Contaminated Mine Drainage in the Eastern United StatesThursday, 25 March 20041:00 PM - 5:00 PM
2003
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GEOCHEMICAL, AGE, AND ISOTOPIC CONSTRAINTS ON THE LOCATION OF THE SINO-KOREAN/YANGTZE SUTURE AND EVOLUTION OF THE NORTHERN DABIE COMPLEX, EAST CENTRAL CHINA
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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USING MONAZITE TO MAP THE SPATIAL AND TEMPORAL DISTRIBUTION OF FLUIDS DURING CONTACT METAMORPHISM: BIRCH CREEK PLUTON
T234 Phosphates: Geochemical, Geobiological, and Materials Importance IIWednesday, 30 October 20021:30 PM - 5:30 PM