New Mexico Geological Society · Socorro, NM

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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

Geology and geochemical characteristics of the Hillsboro mining district, Sierra County, New Mexico: A preliminary study

Erik A. Munroe1, Robert Thompson1 and Virginia T. McLemore2 1Dept. of Earth and Environmental Sciences, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 2New Mexico Bureau of Mines and Mineral Resources, Socorro, NM,

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Jurassic insect locality, Todilto Formation, north-central New Mexico

L. F. Rinehart1, S. G. Lucas1 and J. W. Estep1 1New Mexico Museum of Natural History, 1801 Mountain Road N.W., Albuquerque, NM, 87104 Fossil aquatic insects of the order Hemiptera are well known in the

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Sequence stratigraphy and seismic attribute analysis of the Bone Spring Formation, Delaware Basin, New Mexico

R. Pearson1 and B. S. Hart2 1New Mexico Institute of Mining and Technology, Socorro, NM, New Mexico, 87801 2(New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, New Mexico, 87801 The Bone Spring Formation

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Geothermal studies on the southern part of the Albuquerque Bench-Sandia National Laboratories/Kirtland Airforce Base

Marshall A. Reiter New Mexico Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 High precision temperature logs, made in a number of wells located on the southern

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Preliminary hydrologic data and trends in the vicinity of a ground-water-discharge playa, Estancia Basin playa complex, central New Mexico

John B. Rogers1, B. D. Allen2, R. Y. Anderson1 and T. A. Loveland2 1Dept. of Earth & Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 2NM Bureau of Mines, NM Tech, Socorro, NM, 87801

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Geologic, hydrologic, and aeromagnetic maps of the Pueblo of Isleta, central New Mexico

Florian Maldonado1, D. W. Love2, J. L. Slate1, V. J. S. Grauch1, N. A. Shock1, W. E. Sanford3, W. C. McIntosh2, M. Heizler2 and L. Peters2 1U.S. Geological Survey, MS 913, Denver Federal Center, PO

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Supposed Triassic strata in the northern San Andres Mountains, Sierra County, New Mexico, are Permian Artesia Formation

Spencer G. Lucas New Mexico Museum of Natural History, 1801 Mountain Rd NW, Albuquerque, NM, New Mexico, 87104 Kottlowski et al. (1956, NMBMMR Memoir 1, p. 62, fig. 11) identified the southernmost Triassic outcrops in

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Stratigraphy of the Jurassic Entrada Sandstone in New Mexico

Spencer G. Lucas1, A. B. Heckert2 and O. J. Anderson3 1New Mex. Mus. Nat. Hist., 1801 Mountain Rd NW, Albuquerque, NM, 87104 2Dept. Earth Planet. Sci., UNM, Albuq., NM, 87131 3NM Bureau of Mines, Socorro,

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Insights into origin of carbonate-hosted Ag and Pb-Zn replacement deposits in the Black Range, Sierra and Catron Counties, New Mexico

Virginia T. McLemore New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 There are 10 mining districts in the Black Range area, central New Mexico. Carbonate-hosted Ag and Pb-Zn deposits are found in

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Laramide thrust faults and tectonic breccias, southern Franklin Mountains, Texas

L. L. Corbitt EI Paso Community College, EI Paso, TX, 79915 Many of the breccias in the southern Franklin Mountains that have been interpreted to be karst in origin appear to be Laramide tectonic breccias.

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Subsurface stratigraphy, structure, and hydrogeologic framework of the Santa Fe Group from borehole geophysical logs, northern Albuquerque Basin, New Mexico

Sean D. Connell1, B. D. Allen1 and J. W. Hawley1 1New Mexico Bureau of Mines and Mineral Resources, 2808 Central Ave., SE, Albuquerque, NM, 87106 Interpretation of borehole geophysical logs obtained from wells in the

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Fossil vertebrates from the Lower Permian Red Tanks Member of the Madera Formation, Lucero uplift, central New Mexico

Casey W. Cook1 and Spencer G. Lucas2 1Department of Earth and Planet. Sci, University of New Mexico, Albuq., NM, 87131 2NM Mus. Nat. Hist., 1801 Mountain Rd NW, Albuquerque, NM, New Mexico, 87104 Early Permian

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The TR-3 unconformity on the Colorado Plateau

Andrew B. Heckert1 and Spencer G. Lucas2 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131-1116 2New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Alb., NM, New

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Antiquity of Prosauropod dinosaurs in the Upper Triassic of the western United States

S. K. Harris1, S. G. Lucas1 and A. P. Hunt2 1New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Alb., NM, New Mexico, 87104 2Mesa Technical College, 911 South Tenth Street, Tucumcari,

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Frontiers in ground-water resource exploration (mining) in basins of the Rio Grande rift: Prediction science from the perspective of 6,000 years of recorded human history

John W. Hawley New Mexico Bureau of Mines and Mineral Resources, New Mexico Tech, 2808 Central Ave. SE., Albuquerque, NM, 87106, rcase@admin.nmt.edu “The 21st Century will force many communities to [implement] alternative water-resource management strategies;

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Detailed aeromagnetic surveys in the middle Rio Grande Basin: Preliminary results

V. J. S. Grauch1 and D. A. Sawyer1 1U. S. Geological Survey, MS 964, Denver, CO, Colorado, 80225, tien@usgs.gov Detailed aeromagnetic surveys were conducted in November and December, 1996 over two areas within the Middle

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Past, present, and future of engineering geology

William C. Haneberg New Mexico Bureau of Mines & Mineral Resources, 2808 Central Avenue SE, Albuquerque, NM, New Mexico, 87801, haneberg@nmt.edu Engineering geology has been defined as the application of geologic principles and techniques to

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Boundaries of the Albuquerque geohydrologic basin, north-central New Mexico

John W. Hawley1 and P. R. Grant2 1New Mexico Bureau of Mines and Mineral Resources, New Mexico Tech, 2808 Central Ave. SE., Albuquerque, NM, New Mexico, 87106, rcase@admin.nmt.edu 2Consulting Geologist, 9720-0 Candelaria Rd., NE, Albuquerque,

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Environments of formation, controls on the spatial distribution, and geochemistry of calcite cements in the Sierra Ladrones Formation (Plio-Pleistocene), New Mexico

John S. Hall, P. S. Mozley, J. M. Davis and N. A. Delude Heterogeneous calcite cements occur in the alluvial Sierra Ladrones Formation (Upper Santa Fe Group). The cement preferentially occurs in coarser-grained sediments of

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A reassessment of the gait of Sphenacodontid Pelycosaurs based on trackways from the early Permian of New Mexico

Adrian P. Hunt1, S. G. Lucas2 and Martin G. Lockley3 1Mesalands Dinosaur Museum and Natural Science Laboratories, Mesa Technical College, 911 South Tenth Street, Tucumcari, NM, New Mexico, 88401 2New Mexico Museum of Natural History

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Theropod dinosaurs from the latest Triassic Redonda Formation of east-central New Mexico

Adrian P. Hunt1, Phillip Huber2, B. Reid3, J. E. Frost3, William D. Cotton4 and Jennifer E. Cotton5 1Mesalands Dinosaur Museum and Natural Science Laboratories, Mesa Technical College, 911 South Tenth Street, Tucumcari, NM, 88401 2

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An unusual Aetosaur (Archosauria: Crurotarsi) osteoderm from the Bull Canyon Formation (Upper Triassic: Norian) of east-central New Mexico and the biochronology of Paratypothorax

Adrian P. Hunt1 and H. J. Beuhler2 1Mesalands Dinosaur Museum and Natural Science Laboratories, Mesa Technical College, 911 South Tenth Street, Tucumcari, NM, 88401 2San Jon School, 7th and Elm, San Jon, NM, 88434 The

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When will “responsible mining” stop being an oxymoron? A challenge for geoscientists and geoengineers, from one who is neither

Abram R. Jacobson Mining Issues Chair, Rio Grande Chapter of the Sierra Club, 315 Valle del Sol, Los Alamos, NM, 87544 Hard-rock mining in the American West has collided head-on with profound, long-term changes in

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Effects of surface and ground-water mixing on iron solubility in a shallow aquifer system, Jemez Mountains, New Mexico

E. B. Bridgford1, J. Morrice1, A. R. Groffman1 and L. J. Crossey1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 Understanding the linkages between dissolved redox-sensitive species and solid reactive

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