Geological Society of America

1:35 PM

RECONNAISSANCE GEOBIOLOGY SURVEY OF A POTENTIAL MARS ANALOGUE SITE, CAPULIN VOLCANO NATIONAL MONUMENT, NM

Joseph Hoberg, New Mexico Institute of Mining and Technology, Socorro, NM and Joseph Hoberg, National Cave and Karst Research Institute/National Parks Service, Carlsbad, NM and Anika Baloun, New Mexico Institute of Mining and Technology, Socorro, NM and Anika Baloun, National Cave and Karst Research Institute/National Parks Service, Carlsbad, NM and Jimmy Swift, New Mexico Institute of Mining and Technology, Socorro, NM and Jimmy Swift, National Cave and Karst Research Institute/National Parks Service, Carlsbad, NM and Abigail Brown, New Mexico Institute of Mining and Technology, Socorro, NM and Abigail Brown, National Cave and Karst Research Institute/National Parks Service, Carlsbad, NM and Georgia Schneider, Geologic Resource Division, Denver and Georgia Schneider, University of Denver, Denver, CO and Patricia Seiser, National Cave and Karst Research Institute, Carlsbad, NM and Patricia Seiser, National Cave and Karst Research Institute/National Parks Service, Carlsbad, NM and Daniel Jones, National Cave and Karst Research Institute, Carlsbad, NM and Daniel Jones, New Mexico Institute of Mining and Technology, Socorro, NM

392101 (Technical Sessions)

1:50 PM

ENTRANCE TO ENTRANCE: A HUNT FOR ASTROBIOLOGICAL ANALOG SITES IN WIND CAVE

Jacqueline Heggen, University of Northern Iowa, Cedar Falls, IA and Josh Sebree, University of Northern Iowa, Cedar Falls, IA

391547 (Technical Sessions)

2:05 PM

ISOTOPIC SIGNATURES OF NITROGEN CYCLING IN SULFURIC ACID CAVES

Mackenzie Best, New Mexico Institute of Mining and Technology, Socorro, NM and Scott D. Wankel, Woods Hole Oceanographic Institution, Woods Hole, MA and Heather V. Graham, Astrobiology Analytical Laboratory, Greenbelt, MD and Jennifer C. Stern, Astrobiology Analytical Laboratory, Greenbelt, MD and Jennifer Macalady, Pennsylvania State University, University Park, PA and Maurizio Mainiero, Ancona and Maurizio Mainiero, Ancona and Nicu-Viorel Atudorei, University of New Mexico, Albuquerque, NM and Daniel Jones, New Mexico Institute of Mining and Technology, Socorro, NM and Daniel Jones, Carlsbad, NM

393508 (Technical Sessions)

2:20 PM

MIDDLE PLEISTOCENE HYDROCLIMATE CHANGES IN THE TROPICAL ANDES INFERRED FROM CARBON AND OXYGEN ISOTOPE RECORDS OF SPELEOTHEMS FROM HUAGAPO CAVE, PERU

Elizabeth Olson, Union College, Schenectady, NY and Dylan Parmenter, University of Minnesota, Minneapolis, MN and David Gillikin, Union College, Schenectady, NY and Hailey Stoltenberg, Union College, Schenectady, NY and Avery Clavel, Union College, Schenectady, NY and Laura Piccirillo, Union College, Schenectady, NY and Anouk Verheyden, Union College, Schenectady, NY and Lawrence Edwards, University of Minnesota, Minneapolis, MN and Donald Rodbell, Union College, Schenectady, NY

394169 (Technical Sessions)

2:35 PM

COMBINING δ13C, RADIOCARBON, AND ELEMENTAL CHEMISTRY TO UNDERSTAND STABLE CARBON LARGE VARIATIONS IN STALAGMITE

Ny Riavo Voarintsoa, University of Houston, Houston, TX and Steffen Therre, Institute of Environmental Physics, Heidelberg, Germany

395958 (Technical Sessions)

2:50 PM

HUMANS AS GEOMORPHIC AGENTS: ANTHROPOGENIC SINKHOLES AS A TYPE OF PSEUDOKARST

Lewis Land, New Mexico Tech, Albuquerque, NM

393524 (Technical Sessions)

3:25 PM

MICRO-XRF GEOCHEMICAL AND MICROPALEONTOLOGICAL INVESTIGATION OF HYDROLOGIC CHANGES IN THE KARSTIC AQUIFERS OF CRAWFORD LAKE (ONTARIO, CANADA) AND POSSIBLE LINKAGES WITH INDIGENOUS SETTLEMENT ABANDONMENT

Joshua Moraal, Brock University, St. Catharines, ON and Francine McCarthy, Brock University, St. Catharines, ON and Joseph I. Boyce, McMaster University, Hamilton, ON and Brendan M. Llew-Williams, Brock University, St. Catharines, ON and Autumn Heyde, Brock University, St. Catharines, ON and Nicholas Riddick, Brock University, St. Catharines, ON

393944 (Technical Sessions)

3:55 PM

HIGH-RESOLUTION HYDROCLIMATE RECONSTRUCTION IN STALAGMITES THROUGH LA-ICP-MS 2D MAPPING

Mariana Engleby, Bucknell University, Lewisburg, PA and Nathan Miller, The University of Texas at Austin, Austin, TX and Jay L. Banner, The University of Texas at Austin, Austin, TX and Heather Gunn, Syracuse University, Syracuse, NY

393453 (Technical Sessions)

4:10 PM

USING HIGH-THROUGHPUT NIFH SEQUENCING TO CHARACTERIZE NITROGEN-FIXING MICROORGANISMS IN SULFURIC ACID CAVES: IMPLICATIONS FOR NITROGEN CYCLING IN SUBTERRANEAN CHEMOSYNTHETIC ECOSYSTEMS

Katelyn Green, New Mexico Institute of Mining and Technology, Socorro, NM and Mackenzie Best, New Mexico Institute of Mining and Technology, Socorro, NM and Daniel Jones, New Mexico Institute of Mining and Technology, Socorro, NM and Daniel Jones, Carlsbad, NM

392837 (Technical Sessions)

4:25 PM

MICROBIAL COMMUNITIES AND SECONDARY MINERAL FEATURES IN AN ARTIFICIAL SULFIDIC CAVE STREAM

Daniel Jones, New Mexico Institute of Mining and Technology, Socorro, NM and Mackenzie Best, New Mexico Institute of Mining and Technology, Socorro, NM and Maurizio Mainiero, Ancona and Maurizio Mainiero, Ancona and Alessandro Montanari, Osservatorio Geologico di Coldigioco, Apiro

391821 (Technical Sessions)

T133 Karst Ecosystems and Biogeochemistry

Presentations