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
The oldest prosauropod dinosaur in North America from the upper shale member of the Chinle Formation (late Triassic) in east-central New Mexico
Adrian P. Hunt Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Isolated teeth from the lower third of the upper shale member of the Chinle Formation in east-central New Mexico represent at least
Paleontology of the Petrified Forest Member of the Chinle Formation (late Triassic), central Sandoval County, north-central New Mexico
Adrian P. Hunt1, Paul L. Sealey1 and L. Kim Martini1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Fossil vertebrates, invertebrates and plants are locally abundant in the Petrified Forest Member (PFM) of
Triassic stratigraphy near Lamy, Sante Fe, New Mexico
Bruce D. Allen1 and Spencer G. Lucas1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 The Triassic section exposed near Lamy is approximately 410 m thick and can be divided into three distinct
Travertine quarries and deposits in New Mexico
James M. Barker New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Travertine, produced at two quarries in New Mexico, is a banded limestone deposited at or near the surface by ground water.
A cathodoluminescence study of the Lemitar carbonatites and associated fenitization, Socorro County, New Mexico
Virginia T. McLemore New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Cathodoluminescence (CL) is the characteristic visible radiation (color) produced in a mineral subjected to a bombardment of electrons. Many features of
Petrology and geochemistry of lavas from the northwest Cerros del Rio
Katherine E. Duncker1, John A. Wolff1, P. T. Leat2 and Philip R. Kyle3 1Department of Geology, University of Texas at Arlington, Arlington, NM, 76019 2Imperial College, London 3Geoscience Department, New Mexico Institute of Mining and
Problems of Bloodgood Canyon Tuff (Oligocene, Mogollon-Datil volcanic field, southwestern New Mexico)–A review
Wolfgang E. Elston Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Bloodgood Canyon Tuff is a quintessential moonstone tuff, i.e., quenched hypersolvus ignimbrite of quartz and iridescent sandine cryptoperthite (moonstone). With associated lavas
Interim report on the conodont biostratigraphy of the Kelly Limestone (Mississippian), central New Mexico
Stanley T. Krukowski Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The Kelly Limestone (Mississippian) of central New Mexico is located in several widespread outcrops along the western margins of
Ground-water levels and direction of ground-water flow in the central part of Bernalillo County, New Mexico, Summer 1983
Georgianna E. Kues Water Resources Division, U.S. Geological Survey, Albuquerque, NM, 87102 In 1980, toxic chemicals were detected in water samples from wells in and near Albuquerque’s San Jose well field. At the request of
Average crustal shear-wave velocities from the Plains of San Agustin to Carrizozo, New Mexico, utilizing fundamental-mode Rayleigh waves
K. K. Hostettler1 and John W. Schlue1 1Geoscience Department and Geophysical Research Center, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The shear wave (ß) velocity structure was obtained for a great circle
Stratigraphy of the Morrison Formation (Late Jurassic) in the Lamy area, Santa Fe County, New Mexico, and correlation between the Morrison on the Colorado Plateau and in east-central New Mexico
Adrian P. Hunt1 and Kenneth K. Kietzke1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 The Morrison Formation in the Lamy area (T15N, R10E) consists of 183 m of variegated mudstones, sandstones, siltstones
Triassic stratigraphy, Carthage area, Socorro County, New Mexico, and the southeasternmost outcrops of the Moenkopi Formation
Adrian P. Hunt1 and Spencer G. Lucas1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Triassic strata in the Carthage area (TSS, R2E) are 163 m of redbeds that rest disconformably on Permian
Depositional environments, sediment dispersal, and provenance of the Upper Cretaceous Colorado Formation, southwestern New Mexico
Edward L. Kaczmarek Earth Sciences Department, New Mexico State University, Las Cruces, NM, 88003 The Colorado Formation (Upper cretaceous) in southwestern New Mexico consists of approximately 200m of interbedded shale and sandstone and is exposed
Tectonics and depositional environments in the Early Pennsylvanian of south-central New Mexico
John F. Kalesky Earth Sciences Department, New Mexico state University, Las Cruces, NM, 88003 The Pennsylvanian Magdalena Group unconformably overlies Precambrian to Mississippian strata throughout south-central New Mexico. Regional southward tilting, warping and erosion resulted
Analysis of the seismogenic zone in the central Rio Grande rift near Socorro, New Mexico
Kevin M. King1, Allan R. Sanford1 and Lawrence H. Jaksha1 1Geoscience Department and Geophysical Research Center, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Five hundred and thirteen well located microearthquakes were used
Flexural isostasy and the uplift of the Sandia Mountains, New Mexico
Terry C. Wallace1 and Clement C. Chase1 1Department of Geosciences, University of Arizona, Tucson, NM, 85721 The Sandia Mountains are an eastward-tilted fault block of Precambrian rocks situated along the eastern margin of the Rio
Quaternary rhyolite magmatism in the Jemez Mountains
John A. Wolff1, S. D. Balsley1, David C. Kuentz1, Stephen A. Self1 and Philip R. Kyle2 1Department of Geology, University of Texas at Arlington, Arlington, NM, 76019 2Geoscience Department, New Mexico Institute of Mining and
Compositional facies of the Bloodgood Canyon Tuff, Mogollon-Datil volcanic field, southwestern New Mexico
Sheila J. Seaman Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Up to 300 m of Bloodgood Canyon Tuff fills the Gila Cliff Dwellings basin. An extensive sheet (to 30 m thick) surrounds
Evolution of the post-Bandelier Tuff magma system, Valles caldera, New Mexico
Terry L. Spell1 and Philip R. Kyle1 1Geoscience Department, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The Valles Caldera is located near the center of the Jemez Mountains Volcanic Field in north-central
Scanning electron microscopy of authigenic zeolites in volcaniclastic sedimentary rocks from New Mexico
Mark R. Bowie New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Authigenic zeolite mineralization in volcaniclastic sedimentary rocks is widespread where rhyolitic ash was deposited in basins in the western united States.
Canoncito de la Uva area, Socorro County, New Mexico
Karen B. Brown Geosciences Department, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Canoncito de la Uva, in central Socorro County on the edge of the Rio Grande rift, has Paleozoic rocks and
New observations concerning the Jurassic-Cretaceous boundary in east-central New Mexico
John M. Holbrook1 and Robyn Wright1 1Department of Geology, The University of New Mexico, Albuquerque, NM, 87131 The “basal white sandstone” of the Cretaceous (Albian) Mesa Rica Sandstone in the Tucumcari basin is now recognized
Ground-water levels and direction of ground-water flow in the central part of Bernalillo County, New Mexico
Georgianna E. Kues United States Geological Survey, 4501 Indian School Rd. N.E., Albuquerque, NM, 87110 Ground-water levels in the central part of the basin are approximately at the altitude of the Rio Grande. water levels
Investigation of rare-earth element occurrence
M. Willis P.O. Box 2466 C/S, Socorro, NM, 87801 The prospect is located in the Capitan Mountains Several miles north-east of the town of Capitan. The veins are hosted by a igneous stock (lacolith?) of