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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1984
Bivalves from the Red Tanks Member, Madera Formation (Upper Pennsylvanian-Lower Permian) of central New Mexico
Barry S. Kues Dept. of Geology. University of New Mexico, Albuquerque, NM The Red Tanks Member in the Lucero Mesa area west of Los Lunas consists predominantly of alternating marine limestones, calcareous shales and nonmarine
Heat flow in the Mesilla Bolson, southern Rio Grande rift, New Mexico
J. T. Snyder1 and Chandler A. Swanberg 1Department of Earth Sciences, New Mexico State University, Las Cruces, NM, 88003 An extensive heat flow data base representing over 140 shallow and intermediate geothermal test wells is
Precambrian stratigraphy, structure, and metamorphism in the Tusas Mountains, New Mexico–A progress report
Michael L. Williams Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Precambrian rocks of the Tusas Mountains of northern New Hexico can be divided into two main Iithologic units. The older unit ranges
Structure and epithermal silver mineralization in the Hermosa mining district, Sierra County, New Mexico
Mark D. Shepard The University of Texas, EI Paso, TX The Hermosa mining district is situated among the eastern foothills of the Black Range in southwest New Mexico and comprises a block of welI-faulted ground
Conodont color alteration–A possible exploration tool for ore deposits
Kevin H. Cook1, David I. Norman1 and David Johnson1 1Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Conodont elements, which are microscopic toothlike hardparts of an unknown organism, irreversibly change
Geology and geochemistry of the rhyolite-hosted tin deposits, northern Black Range and the Sierra Cuchillo, southwestern New Mexico
Ted L. Eggleston1 and David I. Norman1 1Geoscience Department New Mexico Tech, Socorro, NM, 87801 Tertiary age (28 m.y.) high-silica, high-potassium rhyolite lavas host a number of tin occurrences in the northern Black Range and
Geology of the Red River mining district, Taos County, New Mexico
Karl M. Emanuel1, Michael W. Selke1 and Gary A. Parkison1 1NICOR Mineral Ventures, Inc., Albuquerque, NM The Red River Mining District is centered on the town of Red River, nestled within the Sangre de Cristo
Geology of the Palm Park barite deposit, southern Caballo Mountains, Dona Ana County, New Mexico
Bradford E. Filsinger University of Texas, EI Paso, TX Jasperoid-barite-fluorite-quartz-calcite mineralization of the Palm Park deposit occurs at and just below the Silurian Fusselman Dolomite-Devonian Percha Shale contact along the crest of a N.34°W. trending
Preliminary seismic and D.C. resistivity surveys in Mountainview, New Mexico
Kenneth D. Mahrer1 and J. R. Wesling1 1Department of Geology University of New Mexico, Albuquerque, NM, 87131 Seismic refraction and D.C. resistivity sounding surveys wer’e conducted in Mountainview, New Mexico to test the feasibility of
GEOCHRONOLOGY AND GEOCHEMISTRY OF PROTEROZOIC METAMORPHIC ROCKS, NEDERLAND QUANDRANGLE, COLORADO
M. S. Abashian1 and D. G. Brookins1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 The Proterozoic metamorphic rocks surrounding the Eldora/Bryan Mountain stock, Nederland Quandrangle, Colorado, yield Rb-Sr whole-rock ages of 1775
Rates and amounts of Quaternary faulting on the VLA fault scarp, northeastern San Agustin Plains, New Mexico
Christopher M. Menges1, Glen H. Kawaguchi1, J. Ritter1, Leslie D. McFadden1 and Richard P. Lozinsky2 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 2Department of Geoscience, New Mexico Tech, Socorro, NM, 87801 Fault
THE STRUCTURAL CONTROL OF EPITHERMAL VEIN DEPOSITS IN WESTERN NORTH AMERICA
John Drier Sage Associates, Inc., 48 N. Tucson Blvd., Suite B, Tucson, AZ, 85716 The epithermal vein deposits of western North America, which are found throughout a region of some 800,000 km sq, occur in
An investigation of trondhjemite migmatites at Aspen Basin, Santa Fe County, New Mexico–A preliminary report
Rodney V. Metcalf Department of Geology, University of New Mexico, Albuquerque, NM, 87131 The Aspen Basin mtgmatHes are part of a large (≥ 8km2) pelite roof pendant contained within the Proterozoic plutonic rocks of the
THE MINERALOGY AND GEOCHEMISTRY OF THE SOUTHERN AMETHYST VEIN SYSTEM AT CREEDE, COLORADO
Mark P. Hemingway1 and David I. Norman1 1Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The Amethyst vein system is an epithermal caldera-associated Ag-base metal deposit. Historically, the southern end
Organic compounds in epithermal ore depositing fluids
Gail Hodge1 and David I. Norman1 1Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Fluid inclusions in samples from epithermal ore veins were analyzed by mass spectrometry to determine the
Occurrences and Geochemical characterization of cassiterite mineralization in the Taylor Creek Tin district
David B. Harvey University of Texas, El Paso, TX Tin mineralization occurs within rhyolite and ash flow tuff in the Taylor Creek Tin District. The occurrences of vein and disseminated mineralization in ash flow tuff
Punctuated evolution of a Late Cretaceous ceratopsian dinosaur from New Mexico
Adrian P. Hunt1 and Spencer G. Lucas2 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 2Department of Geology, University of New Mexico, Albuquerque, NM, 87131 It is difficult to test models of
Possible cause of an earthquake swarm in the central Rio Grande rift
Stephen P. Jarpe1 and Allan R. Sanford1 1Geoscience Department and Geophysical Research Center New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Between February 25 and March 16, 1983, an earthquake swarm consisting of
Ortega Quartzite at Cerro Azul
Gerald J. Kepes Department of Geology, University of New Mexico, Albuquerque, NM Cerro Azul is a block of Precambrian quartzite located 35 km southwest of Taos in the Rio Grande rift. The quartzite at Cerro
Middle Jurassic stratigraphy and fossil fishes, Bull Canyon, Guadalupe County, east-central New Mexico
Kenneth K. Kietzke1 and Spencer G. Lucas1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 In Bull Canyon in east-central New Mexico (S1/2, T9N, R26E) a lacustrine interval within the eolian Exeter Sandstone
Stratigraphy, structure, and geochemistry of volcanic rocks in the northern Black Range, Sierra County, New Mexico–Evidence for the northern margin of the Emory cauldron, lat. 33°15’00″N
Richard J. Abitz Department of Geology, University of New Mexico, Albuquerque, NM, 87131 The margin of a mid-Tertiary volcano-tectonic structure, the Emory cauldron, lies in the northern Black Range. Kneeling Nun Tuff (the ashflow tuff
Determination of source characteristics for recent microearthquake swarms in the Socorro area
Jon P. Ake1, S. P. Jarpe1 and A. R. Sanford1 1Geoscience Department and Geophysical Research Center, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 During May and July 1983 two distinct microearthquake swarms
Geology of the Cochiti mining district, Sandoval County, New Mexico
Gary A. Parkison1, Karl M. Emanuel1, David J. Wronkiewicz2 and David I. Norman2 1NICOR Mineral Ventures, Inc., Albuquerque, NM 2New Mexico Tech, Socorro, NM, 87801 The Cochiti or Bland Mining District is located about fifty
Geology of the Carrizo Mountains, Lincoln County, New Mexico
David J. Pertl1, Jock A. Campbell1 and Albert M. Kudo2 1Department of Geosciences, West Texas State University, Canyon, TX, 79016 2Department of Geology, University of New Mexico, Albuquerque, NM, 87131 The Carrizo Mountains are located