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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Abstracts
Eolian sand sheets as controls on recharge and infiltration in semi-arid environments
E. Shearer Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Sand sheets are a common feature on the piedmonts of the arid southwest. I am studying sand
The occurrence and biochronology of Didymoceras Nebrascene from the Upper Cretaceous Lewis Shale near Waterflow, San Juan County, New Mexico
Paul L. Sealey1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, 1801 Mountain Road, NW, Albuquerque, NM, 87104 The heteromorph ammonite Didymoceras nebrascense is locally abundant 285-290 m above the base of the
Contemporaneous magmatic and hydromagmatic Pliocene basalt eruptions at the site of Cochiti Dam, Sandoval County, New Mexico
Gary A. Smith1, M. C. Simmons1 and A. J. Kuhle1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 Pliocene volcanism in the Cerros del Rio volcanic field; southeast of the
Importance of underflow in environmental site assessment
William J. Stone New Mexico Environment Department, P.O. Box 5400, Albuquerque, NM, 87185 Underflow, the water moving in zones of saturation perched in unconsolidated material on bedrock beneath slopes or dry stream channels, can be
Evolution of igneous veins intruding basanite at El Porticito, Quemado, New Mexico
Robert R. Horning1, Nelia W. Dunbar1, Philip R. Kyle1 and W. Scott Baldridge2 1Department of Geosciences New Mexico Institute of Mining and Technology, Socorro, NM, 87801 2Los Alamos National Laboratory, Los Alamos, NM, 87545 Field
A reevaluation of the vertebrate icnofauna of the Mesa Rica Sandstone and Pajarito Formations (Lower Cretaceous: Late Albian), Clayton Lake State Park
Adrian P. Hunt1 and Spencer G. Lucas2 1Mesalands Museum, Mesa Technical College, 911 South Tenth Street, Tucumcari, NM, New Mexico, 88401 2New Mexico Museum of Natural History and Science, 1801 Mountain Road, NW, Albuquerque, NM,
Ar-Ar evidence for Mesoproterozoic (1.45-1.0 Ga) regional metamorphisms in New Mexico: Implications for thermal evolution of lithosphere in the southwest
Karl E. Karlstrom1 and D. A. Dallmeyer2 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 2Department of Geology, University of Georgia, Athens, GA, 30602 Ar-Ar dating of hornblende and muscovite
Progress on the 40Ar/39Ar dating of the Taos Plateau volcanic field, Taos, New Mexico and southern Colorado
Robert M. Appelt Department of Earth and Environmental Sciences, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Presented here are 27 40Ar/39Ar ages for the Taos Plateau volcanic field (TPVF) in northern New
Origin and spatial distribution of early vadose and phreatic calcite cements in the Zia Formation, Albuquerque Basin, New Mexico, USA
Joseph R. Beckner1 and Peter S. Mozley1 1Department of Earth and Environmental Science New Mexico Tech, Socorro, NM, 87801 The Zia Formation (Miocene) consists of sandstones and mudrocks deposited in fluvial, eolian, and playa lake
Geochronologic studies in the Grants uranium district, New Mexico
William R. Berglof1 and Virginia T. McLemore2 1University of Maryland, Asian Division, Unit 5060 Box: 0100, APO AP, 96328-0100 2New Mexico Bureau of Mines and Mineral Resources, 801 Leroy Place, Socorro, NM, 87801 Geochronologic studies
Late Quaternary paleoclimate indicated by stable isotopic analyses of pedogenic carbonate, southern New Mexico and west Texas
Brenda J. Buck1 and H. Curtis Monger1 1Department of Agronomy and Horticulture, New Mexico State University, Las Cruces, NM, 88003 An understanding of paleoclimate and its effect on past ecosystems is important in ” understanding
40Ar/39Ar dating of fluid inclusions in quartz from the Capitan Pluton, New Mexico
Andrew R. Campbell1, M. T. Heizler1 and N. W. Dunbar1 1Department of Earth and Environmental Sciences, and New Mexico Bureau of Mines and Mineral Resources, New Mexico Tech, Socorro, NM, 87801 The 300 km3 Cllpitan
Structurally dependent source-rock maturity and kerogen facies, Estancia Basin, New Mexico
Ronald F. Broadhead New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 The Estancia basin of central New Mexico is an asymmetric, north-south trending structural depression that originated during the Pennsylvanian. The present-day
The Volcanic History and Landscape Evolution of the Raton-Clayton Volcanic Field
Joseph R. Stroud Department of Earth and Environmental Sciences, New Mexico Tech, Socorro, NM, 87801 Recent 40Ar/39Ar data obtained in the Raton-Clayton Volcanic Field has provided a concise record of the eruptive history and landscape
Infrared microscopic analysis of New Mexico pyrite
Terry Thomas1 and Jerzy Kulis1 1Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Pyrite, like most sulfide minerals, is opaque in thin section to visible light and
Theropod specimens from New Mexico in the Paleontological Museum, University of Uppsala, Sweden
Thomas E. Williamson1 and R. M. Sullivan2 1New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Albuquerque, NM, New Mexico, 87104-1375 2The State Museum of Pennsylvania, Third and North Streets, P.O. Box
A regional geochemical atlas for part of Socorro County, New Mexico
James M. Watrus1 and Phillip. Kyle1 1New Mexico Institute of Mining and Technology, Socorro, NM, 87801 For accurate interpretations of geochemical data in environmental and exploration studies it is crucial that the natural concentrations of
40Ar/39Ar dating of inclusions in quartz at the Capitan Pluton, New Mexico
S. A. Wilson New Mexico Institute of Mining and Technology, Socorro, NM, 87801, sawilson@nmt.edu The dating of mineralization events is critical for understanding the genesis of ore deposits. Many economic deposits contain few hydrothermal minerals
The Paleocene Chico Springs locality, Nacimiento Formation, San Juan Basin, New Mexico
Thomas E. Williamson1 and Spencer G. Lucas1 1New Mexico Museum of Natural History and Science, 1801 Mountain Road, NW, Albuquerque, NM, 87104-1375 The Cruco Springs locality (= “Gallegos Canyon” and “AMNH locality 1”) is one
Pennsylvanian vertebrate assemblage from Socorro County, central New Mexico
Jiri Zidek1 and Lucas Spencer2 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 2New Mexico Museum of Natural History, 1801 Mountain Road, NW, Albuquerque, NM, New Mexico, 87104 A bioclastic packstone bed
Young undeformed source cauldron for the tuff of Turkey Springs, northern San Mateo Mountains, Socorro County, New Mexico
Glen R. Osburn1, C. A. Ferguson2 and W. C. McIntosh3 1Dept. of Earth & Planetary Science, Box 1169, Washington University, 1 Brookings Drive, St. Louis, MO, 63122, osburn@levee.wustl.edu 2Arizona Geological Survey, 416 W. Congress, Tucson,
Soil, vegetation and microtopographic interactions in a small, semiarid drainage basin: Sevilleta National Wildlife Refuge
Dennis R. McMahon1, J. B. J. Harrison1, Muldavin Esteban1 and Jan Hendrickx1 1New Mexico Tech, Socorro, NM, 87801 Distinct contrasts in vegetation are affected by slope aspect-related microclimatic factors. The initial driving force for these
Will mineral extraction play more than a miner role in America’s future? Or what we need to know about mining but are afraid to ask
C. Roybal BHP Minerals, 300 W. Arrington, Suite 200, Farmington, NM, 87401 Basic industries, such as mining, are not understood by the majority of the American populous. Because of this lack of knowledge, mining and
Geochronologic and microstructural evidence for 1.4 Ga deformation in the southern Manzano Mountains, New Mexico
Steven. Ralser1, D. M. Unruh2, L. B. Goodwin1 and Paul W. Bauer3 1Dept. of Earth and Environmental Science, New Mexico Tech, Socorro, NM, New Mexico, 87801 2USGS, Denver, CO, Colorado, 80225 3New Mexico Bureau of