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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1993
Co-occurrence of the Phytosaurs (Reptilia: Archosauria) Angistorhinus and Rutiodon in the Los Esteros Member of the Santa Rosa Formation and the biochronology of Late Carnian Phytosaurs
Adrian P. Hunt1, Spencer G. Lucas2 and Philip Bircheff2 1Department of Geology, University of Colorado, Campus Box 172, PO Box 173364, Denver, CO, Colorado, 80217-3364 2New Mexico Museum of Natural History, 1801 Mountain Road NW,
Coal quality trends of the Fruitland and Menefee Formations in the San Juan Basin, northwest New Mexico
Gretchen K. Hoffman New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 The New Mexico Bureau of Mines and Mineral Resources (NMBMMR), with outside participation, has been involved in long-term Coal quality and
Phytosaurs (Reptilia :Archosauria) from the Bull Canyon Formation of east-central New Mexico: Taxonomy, biochronology and paleoecology
Adrian P. Hunt Department of Geology, University of Colorado, Campus Box 172, PO Box 173364, Denver, CO, Colorado, 80217-3364 Phytosaurs are superficially crocodile-like archosaurs that are the most common fossil vertebrates in Upper Triassic strata
Mineralogy, alteration, and geochemical studies of the San Luis gold deposit, Costilla County, Colorado
Kaina Abdelaziz1, David I. Norman1 and Rob Benson2 1Geoscience Dept., New Mexico Tech, Socorro, NM, 87801 2Battle mountain Gold Company, P.O Box 310, San Luis, CO, 81152 The San Luis gold deposit is located about
Mineralogy, alteration, and fluid inclusion study of the Lordsburg mining district, Hidalgo County, New Mexico
Francis L. Agezo1 and David I. Norman1 1Geoscience Department, New Mexico Tech, Socorro, NM, 87801 The Lordsburg Mining District encompasses 125 km2 south-southwest of Lordsburg, NM. The district sits on the Santa Rita lineament that
Commercial perlite production in the United States
George S. Austin1 and James M. Barker1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Perlite is a rhyolitic glass with 2 to 5 wt% total chemical water held within the glass
Mobility of heavy metals in soils near the Hanover and Bullfrog tailings piles, Silver City, New Mexico
Tanya G. Baker Geoscience Department, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Hanover Mining District has been mined since at least the 1600’s. The majority ofmineral extraction was for iron and non-ferrous
Structural analysis of the Vadito Group, southern Picuris Mountains, New Mexico
Thomas A. Wickham1 and K. E. Karlstrom1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 New mapping (1:6000), compilation of previous mapping (Long, 1973; McCarty, 1983; Bauer, in press), and
Fireclay resources near Ancho, New Mexico
George S. Austin New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Dakota Sandstone crops out east of Ancho in central New Mexico,forming the north rim of a southeast-draining canyon. The Dakota deposits
Mineral separation using heavy liquids: Applications to minerals exploration
Lois. Westerback Mineral and Environmental Engineering Department, New Mexico Tech, Socorro, NM, 87801 The use of heavy liquids for mineral separations into light and heavy fractions is important if mineralogic studies are to be undertaken,
ECONOMIC GEOLOGY OF THE CARLSBAD POTASH DISRICT
J. M. Barker1 and G. S. Austin1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 In 1992, New Mexico accounted for about 83% of domestic potash production and supplied about 27% of
A hydrothermal study to estimate the vertical component of specific discharge in the Canutillo well field, between Las Cruces and El Paso
Shirley C. Wade1 and Marshall Reiter1 1New Mexico Bureau of Mines and New Mexico Tech Geoscience Dept., New Mexico Tech, Socorro, NM, 87801 The vertical component of specific discharge was estimated across several depth zones
Origin of gold and silver depositing ore solutions in New Mexico
David I. Norman Dept. of Geosciences, New Mexico Tech, Socorro, NM, 87801 Meteoric waters, evolved waters (e.g. basin brines) and magmatic fluids have distinctive nitrogen-argon-helium ratios, hence can be used as tracers of the gaseous
Geological context of Permian tracksite, Robledo Mountains, Dona Ana County, New Mexico
Spencer G. Lucas New Mexico Museum of Natural History & Science, 1801 Mountain Road NW, Albuquerque, NM, New Mexico, 87104 Thousands of invertebrate and vertebrate tracks and trails are preserved in the Robledo Mountains of
The paleontological collections at the New Mexico Musuem of Natural History and Science
Spencer G. Lucas1 and Ruby A. Williamson1 1New Mexico Museum of Natural History & Science, 1801 Mountain Road N.W., Albuquerque, NM, New Mexico, 87104 History and Science (NMMNHS) in Albuquerque is a 109,200 cubic foot
Proterozoic tectonic history of Bartolo Canyon, Manzano Mountains, central New Mexico
A. G. Smith1, K. E. Karlstrom1 and A. G. Thompson1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 Detailed mapping (1:12,000) of the Bartolo Canyon area, N. Manzano Mountains, in
Trackway evidence for herding behavior and different size classes in Cretaceous ornithopods, Pajarito Formation, Mosquero Creek site, New Mexico
Martin G. Lockley1, Adrian P. Hunt1, Masaki Matsukawa1 and Paul Koroshetz1 1Department of Geology, University of Colorado, Campus Box 172, PO Box 173364, Denver, CO, Colorado, 80217-3364 A dinosaur tracksite associated with the basal part
Application of borehole geophysics to hydrogeological analysis of the Sante Fe Group near Albuquerque, New Mexico
C. Stephen Haase1 and John W. Hawley2 1GRAM, Inc., Albuquerque, NM 2New Mexico Bureau of Mines and Mineral Resources, Albuquerque, NM Suites of borehole geophysical logs are available for more than 80 water-production wells in
Comparison of sedimentary caldera-fill sequences in the San Juan Mountains, Colorado and southwestern New Mexico
Daniel Larsen Dept. of Earth & Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 Tuffaceous and alluvial sedimentary rocks, pyroclastic rocks, and a variety of intermediate to felsic lavas are commonly observed to fill
Analyzing analytical accuracy of radiometric dates: Case study from the Rio Puerco necks, west-central New Mexico
R. Bruce Hallett New Mexico Tech, Dept. of Geoscience, Socorro, NM, 87801 Comparison of 40Ar/39Ar age determinations and geomagnetic polarity with published geomagnetic polarity time scales is used as an independent check of geochronologic accuracy,
Involvement of the Comanche/Sante Fe fault zone with the Rio Grande rift, timing and kinematics, from Carrizo Arroyo northward along the Lucero uplift
Steven N. Hayden Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Along. the Lucero uplift, consistent transtensional fault geometries, steeply raking lineations on fault planes and rare ductile shear indicators, such as S-C
Vertebrate and invertebrate tracks and trackways from Upper Triassic strata of the Tucumcari Basin, east-central New Mexico
Adrian P. Hunt1, Martin G. Lockley1, Spencer G. Lucas2 and Philip. Bircheff2 1Department of Geology, University of Colorado, Campus Box 172, PO Box 173364, Denver, CO, Colorado, 80217-3364 2New Mexico Museum of Natural History, 1801
Porphyroblast-matrix relationships used to recognize polyphase geologic history in Middle Proterozoic rocks of central New Mexico
Amy G. Thompson1 and Karl E. Karlstrom1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131-1116 Porphyroblast-matrix textural relationships are often ambiguous and, used in isolation, can lead to conflicting interpretations
Proterozoic orogenic history in New Mexico: A merging of conflicting models
Karl E. Karlstrom1 and J. A. Grambling1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87108 A reconciliation of conflicting models suggests that Proterozoic rocks in New Mexico record a polyphase