NEW MEXICO GEOLOGICAL SOCIETY · SPRING MEETING
Spring Meeting Abstracts
Explore research presented at the NMGS Annual Spring Meeting. Browse abstracts from 1983 onward, choose a meeting year, or open an abstract to read the full text.
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2015
The Upper Paleozoic Sangre de Cristo Formation, Southwestern San Miguel County, New Mexico: Stratigraphy, Age and Sedimentology
Spencer G. Lucas1, Karl Krainer2, William A. DiMichele3, Sebastian Voigt4, David Berman5, Amy C. Henrici5, Lawrence H. Tanner6, Dan S. Chaney3, Scott D. Elrick7, W. John Nelson7 and Larry F. Rinehart1 1New Mexico Museum of
Faunal and floral dynamics during the early Paleocene: The record from the San Juan Basin, New Mexico
Thomas E. Williamson1, Daniel J. Peppe2, Ross Secord3, Matthew T. Heizler4, Stephen L. Brusatte5, Sarah Shelley5 and Sarah Shelley5 1New Mexico Museum of Natural History and Science, 1801 Mountain Road, NW, Albuquerque, NM, 87104, thomas.williamson@state.nm.us
First Known Occurrence of the Ammonoid Parapuzosia (Austiniceras) in the Cenomanian of North America
Paul L. Sealey1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, 1801 Mountain Road, NW, Albuquerque, NM, 87104, ammonoidea@comcast.net In North America, species of the ammonoid Parapuzosia have previously been reported from the
Uranium Isotope Evidence for Pervasive Marine Anoxia During the Late Ordovician Mass Extinction.
Rickey W. Bartlett1, Maya Elrick1, Yemane Asmerom1, Viorel Atudorei1 and Victor Polyak1 1University of New Mexico, MSC 03 2040, Albuquerque, NM, 87131 The Ordovician witnessed an explosion in marine biodiversity followed by the first of
Analysis of morphological differences between two early Eocene horses: Minippus jicarillai of New Mexico and Sifrhippus sandrae of Wyoming
Julie E. Rej1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, 1801 Mountain Road N.W., Albuquerque, NM, 87104, jrej02@unm.edu Hyracotherium is the earliest (Eocene, Wasatchian) known taxon of Equidae and is well represented
Recent Improvements in Regional Stratigraphy of Pennsylvanian Strata Promises Better Characterization of the Geology and Geologic History of the East Side of the Sandia Uplift (east Mountains Area), Central New Mexico
Bruce D. Allen1, Spencer G. Lucas2 and Karl Krainer3 1New Mexico Bureau of Geology and Mineral Resources, NM Tech, 801 Leroy Place, Socorro, NM, 87801, allenb@nmbg.nmt.edu 2New Mexico Museum of Natural History and Science, 1801
Revised location for the Yavapai-Mazatzal crustal province boundary in New Mexico: Hf isotopic data from Proterozoic rocks of the Nacimiento Mountains
Tyler A. Grambling1, Mark E. Holland1, Karl E. Karlstrom1, George E. Gehrels2 and Mark Pecha2 1University of New Mexico, 221 Yale Blvd NE, EPS Department, Northrop Hall, Albuquerque, NM, 87131, tgrambling@unm.edu 2Department of Geosciences, University
U-Pb Geochronology of Ash Fall Tuffs in the McRae Formation (Upper Cretaceous), South-Central New Mexico
Greg Mack1, Jeffrey M. Amato1 and Garland R. Upchurch2 1Department of Geological Sciences, New Mexico State University, MSC 3AB/PO Box 30001, Las Cruces, NM, 88003, amato@nmsu.edu 2Department of Biology, Texas State University, San Marcos, TX,
The turtle Adocus from the Upper Cretaceous Crevasse Canyon Formation, Sierra County, New Mexico
Asher Jacob Lichtig1, Thomas L. Suazo1, Amanda K. Cantrell1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, 1801 Mountain Rd. NW, Albuquerque, NM, 87124, ajlichtig@gmail.com A partial shell of the well-known Upper Cretaceous
Bouquets From the Past: Plant Biominerals as Paleoclimate Indicators
K. Daisy Morgan Edel1, Penelope J. Boston2 and Michael N. Spilde3 1National Cave and Karst Research Institute; New Mexico Tech, daisymo4wildlife@gmail.com 2New Mexico Institute of Mining and Technology; National Cave and Karst Research Institute 3Institute
Groundwater Level Variations Over the Past 60 Years in the Sunshine Valley, Taos County, New Mexico
Tony Benson1 and Ron Gervason1 1Taos Soil and Water Conservation District, benson1@newmex.com Water table levels have been monitored at least yearly in 5 to 10 wells in the Sunshine Valley of northern Taos County since
Coupled Warming and Aridity in New Mexico During Mid-Pleistocene Interglacials and Millennial Scale Climate Variability During Glacials: the Valles Caldera Record
Peter J. Fawcett1, Joseph P. Werne2, Scott Anderson3, Erik T. Brown4, Jeffrey M. Heikoop5, Justin P. Dodd6 and Zachary D. Sharp1 1University of New Mexico, MSC 03 2040, Albuquerque, NM, 87131, fawcett@unm.edu 2University of Pittsburgh,
Reassessment of Features in the Aden Crater Lava Flows, Dona Ana Co., New Mexico
Rene De Hon1 and Richard Earl1 1Department of Geography, 601 University Dr., Texas State University, San Marcos, TX, 78666, dehon@txstate.edu Aden Crater lava field, encompassing 75 sq km in south central New Mexico, offers excellent
Fossil turtles of the Cretaceous Menefee Formation, northern New Mexico
Asher Jacob Lichtig1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, 1801 Mountain Rd. NW, Albuquerque, NM, 87124, ajlichtig@gmail.com The Upper Cretaceous (Campanian) Menefee Formation is a dominantly nonmarine formation, which contains a