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
Correlation controversies–Middle and Upper Jurassic stratigraphy of the Colorado Plateau as related to northwestern New Mexico
Fred Peterson1, R. B. O’Sullivan1 and S. M. Condon1 1U.S. Geological Survey, MS 939, Box 25046, Denver, CO, 80225 Anderson and lucas (New Mexico Geology, 1992, 14/4, 79-92) (A&l) recently criticized the present state of
Type Curtis and Summerville Formations, southeastern Utah
G. N. Pipiringos1 and R. B. O’Sullivan2 1USGS, 1709 Brown Rd, Las Cruces, NM, 88005 2USGS, MS939, Federal Center, Box 25046, Denver, CO, 80225-0046 The Summerville Formation, San Rafael SWell, Utah is unfossiliferous, but intertongues
Structural development of the Proterozoic rocks in the Joyita Hills, Socorro County, New Mexico
Steven Ralser Department of Geoscience, New Mexico Tech, Socorro, NM, 87801 Proterozoic rocks are well exposed in a fault bounded block within the core of the Joyita Hills (approximately 35 km NE of Socorro). This
Middle-Upper Jurassic stratigraphy and sedimentation on the Colorado Plateau
Spencer G. Lucas1 and O. J. Anderson2 1New Mexico Museum of Natural History & Science, 1801 Mountain Road NW, Albuquerque, NM, New Mexico, 87104 2New Mexico Bureau of Mines & Mineral Resources, Socorro, NM, 87801
Restoration of Laramide (?) right lateral strike slip in northern New Mexico: Tectonic implications from the Proterozoic to the Cenozoic
Christopher G. Daniel1 and Karl E. Karlstrom1 1Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 Regional piercing points in Early Proterozoic rocks, defined by the intersections of subhorizontal isobaric surfaces
Stratigraphy and sedimentation of the Paradise Formation (Late Mississippian) in the Peloncillo Mountains, Hidalgo County, New Mexico
David J. Sivils1 and David B. Johnson2 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 2Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The section of Paradise
Synchronous pluton emplacement and deformation: The 1.42 Ga Sandia Granite
Eric Kirby1, Karl E. Karlstrom1 and C. Andronicos1 1Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 The Sandia Granite is one of a series of 1.4 Ga granitoid plutons exposed
Eruptive history for two volcanic vents as recorded in the Peralta Tuff: Jemez Mountains, New Mexico
R. Gay Kyle1 and Gary A. Smith1 1Dept. Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 The Peralta Tuff Member of the Bearhead Rhyolite is superbly exposed in the Peralta CanyonfTent Rocks
What do prosauropod tracks look like? Possible answers from the Late Triassic track records of New Mexico and Utah
Martin G. Lockley1, Adrian P. Hunt1 and Kelly L. Conrad1 1Department of Geology, University of Colorado, Campus Box 172, PO Box 173364, Denver, CO, Colorado, 80217-3364 Viewed from a global perspective,prosauropods are a significant component
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
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
Transtensional deformation of the 1.4 Ga Sandia Granite, a record of middle Proterozoic tectonism
C. L. Andronicos1, K. E. Karlstrom1 and E. Kirby1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 The 1.4 Ga. Sandia Granite is exposed in the Sandia Mountains of Central
Morrison Formation subdivisions, northwest New Mexico: A reassessment
Orin J. Anderson1, Spencer G. Lucas2 and Charles H. Maxwell3 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,
Upper Triassic stratigraphy in New Mexico
Spencer G. Lucas New Mexico Museum of Natural History, 1801 Mountain Road NW, Albuquerque, NM, 87104 Upper Triassic strata are exposed across most of New Mexico (except the southwestern portion of the state) and are
Architectural element analysis for the characteriziation of aquifer heterogeneity: Sierra Ladrones Formation, Albuquerque Basin
J. Mathew Davis1, Ruth C. Lohmann2, D. W. Love3 and F. M. Phillips4 1Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 2Geoscience Support Services, Claremont, CA 3New Mexico Bureau of
Stratigraphic nomenclature of the Triassic Dockum Group in west Texas and eastern New Mexico
Thomas M. Lehman Department of Geosciences, Texas Tech University, Lubbock, TX, 79409 Triassic strata of eastern New Mexico and west Texas have long been identified as the Dockum Group. Recently, use of the term Dockum
Early Cretaceous (Aptian) ammonites from the central Peloncillo Mountains, southwestern New Mexico
T. Goodspeed1 and S. G. Lucas2 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 2New Mexico Museum of Natural History, 1801 Mountain Road NW, Albuquerque, NM, New Mexico, 87104 Ammonites are present in
The type locality of Typothorax, Upper Triassic of Rio Arriba County, New Mexico
Adrian P. Hunt1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, 1801 Mountain Road NW, Albuquerque, NM, New Mexico, 87104 The first vertebrate fossils of Late Triassic age discovered in the western United
The case for a unified Dockum-Chinle fluvial depositional basin (Late Triassic)
Orin J. Anderson1 and Spencer G. Lucas2 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 2New Mexico Museum of Natural History, P.O. Box 7010, Albuquerque, NM, 87194 Suspected miscorrelations between the Dockum
Paleosols and paleoflora of the Upper Cretaceous (Maastrichtian) McRae Formation, south-central New Mexico and their implications to paleoclimate
Brenda J. Buck1 and Greg H. Mack2 1Department of Earth Sciences, New Mexico State University, Las Cruces, NM, 88003 2Department of Biology, Southwest Texas State University, San Marcos, TX, 78666 A significant increase in aridity
Abrupt lateral variations in cycle characteristics within a mixed carbonate-clastic ramp system: preliminary studies of the middle pennsylvania Los Moyos limestone, southern Los Pinos mountains, central New Mexico
Lon A. Davidek1 and Gary A. Smith1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Initial sedimentological studies of two correlative Pennsylvanian (lower-ta-mid Demoinesian) sections, located 4.3 kilometers apart, indicate two distinct depositional