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
Identification of individual volcanic centers in the Eocene Palm Park and Rubio Peak Formations, southern New Mexico
Rebecca O. Ramirez1, M. S. Broadwell1, R. Gallegos1, M. Schmicker1, M. Haga1 and N. J. McMillan1 1Dept. Geological Sciences, New Mexico State University, Las Cruces, NM, 88003 The Eocene Palm Park and Rubio Peak Formations
Early Permian tracksite, base-level changes, and depositional cyclicity of intertongued Abo-Hueco strata, Robledo Mountains, New Mexico
Spencer G. Lucas1, A. B. Heckert2, O. J. Anderson3 and A. P. Hunt4 1New Mexico Museum of Natural History and Science, 1801 Mountain Road N.W., Albuquerque, NM, New Mexico, 87104 2Department of Earth and Planetary
Monte Largo shear zone, Manzano Mountains, New Mexico: Tectonic significance and argon geochronology
Jospeh R. Marcoline1, Steven Ralser1 and M. T. Heizler1 1Geoscience Dept., New Mexico Tech and New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 The Monte Largo shear zone (MLSZ) located in the
Permeability, porosity, and grain-size distribution of Pliocene and Quaternary sediments of the Albuquerque Basin: Outcrop studies and subsurface investigations
Daniel M. Detmer Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Outcrop studies allow valuable observation and measurement of the characteristics of similar deposits occurring in the subsurface, including permeability
Quaternary geologic framework of the Sandia Mountains piedmont, New Mexico
Sean D. Connell1 and Stephen G. Wells1 1Department of Earth Sciences, University of California, Riverside, CA, 92521 Detailed quaternary geologic mapping of the Sandia Mountains piedmont, from Las Huertas Creek to Embudito Canyon, provides evidence
Recovery of garnet and sphalerite from Hanover Mill tailings, Grant County, New Mexico
Ulvi Cetin Minerals and Environmental Engineering Department, New Mexico Institute of Mining and Technology, Campus Station, Socorro, NM, 87801 The Hanover Mill Tailings were produced by Empire Zinc Mine at Hanover, Grant County, New Mexico.
Allochthonous nature of the lower Mississippian Waulsortian mounds in the Sacramento Mountains, New Mexico
Katherine A. Giles Department of Geological Sciences, New Mexico State University, Las Cruces, NM, 88003 Waulsortian mounds comprise a distinctive assemblage of carbonate facies organized into a mounded geometry and apparently confined stratigraphically to the
Geochemistry of Carlsbad Cavern pool waters
Jeffrey R. Forbes Daniel B. Stephens & Associates, 6020 Academy NE, #100, Albuquerque, NM, 87109 Carlsbad Cavern contains dozens of pools of standing water that lie at depths ranging from 500 feet to 1100 feet
The Potrillo volcanic field, southern Rio Grande rift: 3He surface exposure dates and petrogenetic considerations
Wendi J. W. Williams1 and J. Poths2 1Geological Sciences, University of Texas at El Paso, EI Paso, NM, 79968 -0555, wwilliam@dillon.geo.ep.utexas.edu 2INC-6, Los Alamos National Laboratory, Los Alamos, NM, 87545 We are investigating helium isotope
A geochemical comparison of Mid-Tertiary and Upper Cenozoic mantle sources: Basalts of southern New Mexico
Nancy J. McMillan Dept. Geological Sciences, New Mexico State University, Las Cruces, NM, 88003 Upper Cenozoic and Mid-Tertiary basalts throughout the western United States have distinct differences in major element, trace element, and isotopic composition.
A MacIntosh-based system for computer-aided mapping
Steven Ralser Dept. of Geoscience, New Mexico Tech, Socorro, NM, 87801 The use of personal computer systems with a graphical user interface make it possible to use existing CAD software to produce publication quality geologic
Pliocene fossil snakes from the Camp Rice Formation, Palomas Basin, southern New Mexico
Spencer G. Lucas1, A. B. Heckert1 and P. L. Sealey1 1New Mexico Museum of Natural History & Science, 1801 Mountain Road N.W., Albuquerque, NM, 87104 One of us (PLS) collected a partial skeleton of a
The Rio Puerco database and human resource catalog: Assembling information for future research and management of the Rio Puerco drainage basin, northwest-central New Mexico
A. Cross1, C. Gorbach2, R. L. Davis3, D. W. Love4 and F. Luo4 1New Mexico Tech, Socorro, NM, 87801 2Bureau of Reclamation, 505 Marquette Ave NW, Suite 1313, Albuquerque, NM, 87102-2162 3 2 Maple Street,
Chlorine-36 surface exposure determinations of eruption ages for Quaternary lava flows of the Zuni-Bandera volcanic field
Nelia W. Dunbar1 and F. M. Phillips1 1Department of Geoscience and New Mexico Bureau of Mining and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 As part of a 1993 field
U238-Th230 diequilibirum in young basalts: Implications for eruptive ages, residence times and petrogenesis
K. W. W. Sims1, D. J. DePaolo2, M. T. Murrell3 and W. S. Baldridge3 1Berkeley Center for Isotope Geochemistry, Dept. of Geology, U.C. Berkeley and Geophysics, and LANL, Berkeley, CA, 94720 2Berkeley Center fat Isotope
Geochemical investigations of the ultramafic mantle xenoliths at Kilbourne Hole, Potrillo volcanic field, southern New Mexico
C. A. Long University of Texas at EI Paso, EI Paso, TX, 79968 Approximately 60 mantle derived peridotites and pyroxenites were collected from Kilbourne Hole, one of several maars associated with basanitic flows within the
New geologic map of the Precambrian rocks in the Tijeras 7.5-minute quadrangle: Implications from the Proterozoic to the Tertiary
Eric Kirby1 and Karl E. Karlstrom1 1Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 We present a new 1: 12,000 map and cross section of the Proterozoic rocks of the
Petrology and petrogenesis of the Rio Puerco basalts, west-central New Mexico
R. Bruce Hallett New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The elemental and isotopid signatures of both asthenospheric and lithospheric portions ofthe mantle (acknowledged to be source reservoirs during continental extension-related magmatism)
Applications of the 40Ar/39Ar dating method to the thermochronology of New Mexico
Matthew T. Heizler New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Because geologic processes such as intrusion of plutonic bodies, movement of hydrothermal fluids, metamorphism, tectonism and sedimentation and erosion involve the
Evidence for low-angle detachment faulting in southwestern New Mexico based on reconnaissance structural studies of the Little Hatchet Mountains
Karl E. Karlstrom1, J. E. Andrew1, D. P. Cederquist1, C. G. Daniel1, S. N. Hayden1, B. R. Ilg1, E. Kirby1, M. D. Melker1, E. M. Romano1, H. D. Rowe1 and G. Savarese1 1University of New
Vertebrate fauna of the Bursum Formation (Lower Permian: Wolfcampian), Socorro County, central New Mexico
Adrian P. Hunt1, R. M. Colpitts2, S. G. Lucas3 and J. Zidek4 1Department of Geology; University of Colorado at Denver, Campus Box 172, PO Box 173364, Denver, CO, 80217-3364 2Department of Geoscience, New Mexico Institute
Trackway evidence for tetrapod predation from the early Permian of southern New Mexico
Adrian P. Hunt1, Martin G. Lockley1 and Spencer G. Lucas2 1Department of Geology, University of Colorado at Denver, Campus Box 172, PO Box 173364, Denver, CO, 80217-3364 2New Mexico Museum of Natural History, 1801 Mountain
Some observations concerning the relationship between the New Mexican tholeiitic and alkaline lavas of upper Cenozoic age
Libby Anthony1 and Jane Poths2 1Dept. of Geological Sciences, UTEP, EI Paso, TX, 79986 2Isotope and Nuclear Chemistry, Los Alamos National Laboratory, Los Alamos, NM, 87545 We will explore in this presentation some observations pertaining
Proterozoic and Cenozoic deformational history of the northern Sandia Mountains, New Mexico
C. L. Andronicos1 and Karl E. Karlstrom1 1Dept. of Earth and Planetary Sciences, Univ. of New Mexico, Albuquerque, NM, 87131-1116 New detailed mapping (1:6000) of Proterozoic rocks SW of the town of Placitas, New Mexico,