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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1994
The impact of soil properties on uranium migration, Los Alamos National Laboratory
P. M. Watt1, P. Longmire2 and L. McFadden1 1Earth and Planetary Sciences, Univ. of New Mexico, Albuquerque, NM, 87131 2Los Alamos National laboratory, CST-10 Group, Los Alamos, NM, 87545 A study of soil chemical and
Soils and geomorphology as a key to carbon cycling times in Palo Duro Canyon, central Rio Grande rift
Carol J. Treadwell Dept. of Earth and Planetary Sciences, Univ. of New Mexico, Albuquerque, NM, 87131 Landscape evolution in Palo Duro Canyon, a Rio Grande tributary, has implications for carbon storage and cycling times in
Lead distribution and availability in contaminated soils at the Cuba smelter site, Socorro, New Mexico: Micromorphological, textural, and mineralogical study
Christopher P. Wolf1, P. S. Mozley1 and George S. Austin2 1Dept. of Geoscience, New Mexico Institute of Mining & Technology, Socorro, NM, 87801 2New Mexico Bureau of Mines & Mineral Resources, New Mexico Institute of
In situ-produced 14Carbon in Late Quaternary lava flows of the Zuni-Bandera volcanic field, New Mexico
William M. Phillips1, N. A. Lifton1, J. Quade1 and A. J. T. Jull1 1Department of Geosciences, University of Arizona, Tucson, AZ, 85721 The buildup of in situ-produced radiocarbon (14Cis) is potentially useful for dating geomorphic
Jemez River terraces: Preliminary constraints on Quaternary incision, terrace ages, and breaching of the Valles Caldera, Jemez Mountains, New Mexico
John B. Rogers Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 The Jemez Mountains volcanic field in northern New Mexico, erupted catastrophically at 1.12 Ma, depositing the upper Bandelier Tuff
40Ar/39Ar geochronology of late Miocene to Pleistocene basalts of the Zuni-Bandera, Red Hill-Quemado, and Potrillo volcanic fields, New Mexico
William C. McIntosh New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 New 40Ar/39Ar age detenninations of basalts from the Zuni-Bandera, Red Hill-Quemado, and Potrillo volcanic fields have been obtained as part of
Characteristics of an early Pennsylvanian cycle in the Big Hatchet Mountains of New Mexico
E. W. Fry1 and D. B. Johnson1 1Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 As part of a larger study of cyclic sedimentation, a locally restricted karst surface was
A preliminary biogeochemical survey at the Copper Flat porphyry deposit near Hillsboro, New Mexico
R. J. Duncan P.O. Box 3458 c/s, Socorro, NM, 87801 A preliminary biogeochemical survey was conducted in areas around the Copper Flat Cu-Mo porphyry deposit. The purpose of the survey was to determine if copper
What is the Cochiti Formation?
Gary A. Smith1 and Alexis Lavine1 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131 The definition, extent, and significance of the Neogene Cochiti Formation (CF) has beenasource of frustration for
Evidence for the evolution of a late Mississippian eolian environment in southwestern New Mexico and southeastern Arizona
David J. Sivils1 and David B. Johnson1 1Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The limited distribution of outcrops and paucity of petrographic analyses of Upper Mississippian rocks in
Geochronology and geochemistry of basalts of the Zuni-Bandera volcanic field: A review and update
A. William Laughlin1, F. V. Perry2 and G. Woldegabriel2 1ICF Kaiser Engineers, Inc., Los Alamos, NM, 87544 2Los Alamos National Laboratory, Los Alamos, NM, 87545 Basaltic volcanism within the 2500 km2 Zuni-Bandera volcanic field has
Evidence for geologic membrane effects at two New Mexico red bed copper districts
Virgil W. Lueth1 and T. M. Whitworth1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Two examples of red bed copper mineralization were studied at the Scholle and Pastura districts in New
Sedimentation, deformation, and erosion related to Los Lunas volcanoes, central New Mexico
David W. Love1, C. B. Reynolds2, B. Hallett3, R. P. Lozinsky4 and T. Niemyjski5 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 2 4409 San Andres Avenue SE, Albuquerque, NM, 87110 3
Potassium metasomatism of silicic ignimbrites: The relationship between the mineral assemblage and the chemical changes associated with potassic alteration
David J. Ennis1, N. W. Dunbar1 and A. R. Campbell1 1New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Silicic Ignimbrites present within the Socorro, New Mexico area have undergone potassic alteration resulting in
Temporal, spatial, and chemical patterns of Quaternary basaltic volcanism in the Zuni-Bandera volcanic field, Cibola County, New Mexico
Joseph E. Andrew1 and A. M. Kudo1 1Dept. Earth and Planetary Science, University of New Mexico, Albuquerque, NM, 87131 Field investigations of the Chain of Craters area of the Zuni-Bandera volcanic field suggest a strong
40Ar/39Ar ages and geochemistry of the Cerro Toledo Rhyolite and associated tephra, Jemez volcanic field, New Mexico
Terry L. Spell1, P. R. Kyle2, I. McDougall3 and A. P. Doulgeris3 1Research School of Earth Sciences, The Australian National University, Canberra, ACT 0200, Australia 2NMBMMR and Geoscience, New Mexico Tech, Socorro, NM, 87801 3RSES,
Eruptive history of the 3.9 Ma high-silica rhyolite volcano at No Agua Peaks, Taos County, New Mexico
James M. Barker1 and Richard M. Chamberlin1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Compositionally zoned, high-silica rhyolite ash-flow tuffs are commonly interpreted as the inverted equivalents of large vertically zoned
A geologic membrane mechanism for the origin of sedimentary copper deposits
T. M. Whitworth1 and V. W. Lueth1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Sedimentary copper deposits (also termed sediment-hosted stratiform copper deposits) account for 20-25% of world production and reserves
Economic implications of acid-sulfate alteration in the Steeple Rock mining district, New Mexico and Arizona
Virginia T. McLemore New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Alteration is the general term describing the mineralogic, textural, and chemical changes of a rock as a result of a change