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
Mid-Tertiary volcanism, extension, and mineralization in New Mexico: What have we learned these past 40 years?
Wolfgang E. Elston Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Forty years ago, mid-Tertiary volcanic rocks were regarded as mere overburden on Laramide ore deposits. Beginning in 1950, the NMBM&MR sponsored systematic
Stratigraphy of the Peralta Tuff–Implications for the volcanic and structural evolution of the southeastern Jemez volcanic field
Gary A. Smith1 and R. J. Abitz1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Late Miocene tuffs and sediments of the Peralta Tuff Member of the Bearhead Rhyolite provide a partial record
Cyclic clastics and carbonates of the Pennsylvanian Madera Formation, Sandia Mountains, New Mexico–In search of the eustatic signal
Gary A. Smith1 and the 1988 Cyclic Sedimentation Class1 1Department of Geology, University of New Mexico,, Albuquerque, NM, 87131 Pennsylvanian transgressive-regressive (T-R) cycles may be produced by eustasy (including glacioeustasy), autocyclic deltalobe progradation and avulsion,
Carbonate petrography of the limestone-shale member, U-Bar Formation (Aptian-Albian), Sierra Rica, southwestern New Mexico
Rita J. Schuster1 and Russell E. Clemons1 1New Mexico State University, Las Cruces, NM, 88003 The U-Bar Formation of southwestern New Mexioo contains five informal members. In ascending order they are the brown limestone, oyster
Crustal extension and shoulder uplift in the Rio Grande rift, New Mexico–Half grabens and accommodation zones in the Ladron Peak area
Christopher J. Lewis1 and W. Scott Baldridge2 1Department of Geology, California state University, Los Angeles, CA, 90032 2Earth and Space Sciences Division, MS 0462, Los Alamos National Laboratory, Los Alamos, NM, New Mexico, 87545 Ladron
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 widespread outcrops along the western margins of the
Pulchrilamina Early Ordovician labechid stromatoporoid and it’s mounds
David V. LeMone Department of Geological sciences, The University of Texas, El Paso, TX, 79968 Pulchrilamina is a principal component of the bioherms of the Early Ordovician McKelligon canyon Formation of the El Paso Group.
Strain analysis of allochthonous Permian rocks east side of the Socorro constriction, central Rio Grande rift
Ronald M. Linden1 and Antonius J. Budding1 1Geoscience Department, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Allochtonous sheets involving Permian rocks of the Yeso, Glorita, and San Andres Formations are found at
Calcareous microfauna from lake deposit of the Palomas Formation (Tertiary-Quaternary), Sierra County, New Mexico
Kenneth K. Kietzke1, S. G. Lucas1 and R. A. Smartt1 1New Mexico Museum of Natural History, P.o. Box 7010, Albuquerque, NM, 87194 The piedmont facies of the Palomas Formation (santa Fe Group) exposed on the
Stratigraphy of the Cretaceous Bisbee Group in the central Peloncillo Mountains, Hidalgo County, New Mexico
Steven N. Hayden1 and Spencer G. Lucas2 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 2New Mexico Museum of Natural History, P.o. Box 7010, Albuquerque, NM, 87194 Gillerman (1958, NMBMMR Bulletin 57) named
Proterozoic granulite facies metamorphism in northern New Mexico
Jeffrey A. Grambling Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Granulite facies metamorphism affected at least 3,000 km3 of the northern Taos and western Cimarron Mountains. Previous work has failed to recognize
Pennsylvanian stratigraphy and paleontology at the Kinney Brick Company clay pit, Manzano Mountains, Bernalillo County, New Mexico
Phillip Huber1, Spencer G. Lucas1 and Steven N. Hayden1 1New Mexico Museum of Natural History, P.O. Box 7010, Albuquerque, NM, 87194 More than 28 m of the Upper Pennsylvanian (early Virgilian) Pine Shadow Member of
Fluid inclusions in fossil resins: Their origin, classification, and chemistry
Diane M. Bellis1 and Donald L. Wolberg1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 Fossil resins (amber) are a complex mixture of extensively polymerized organic molecules of worldwide distribution and is
Vitrininte-reflectance-determined lithotemperatures of sedimentary rocks intruded by an igneous dike near Dulce, Rio Arriba County, New Mexico
Neely H. Bostick U.S. Geological Survey, ms-901, Denver Federal Center, Denver, NM, 80225-0046 Volcanic dikes are prominent in many western states. Petrologists have studied dike composition and texture, and have measured rock melting and crystalization
Stream-aquifer relations in the Mesilla ground-water basin, Dona Ana County, New Mexico, and El Paso County, Texas
R. G. Myers1 and E. L. Nickerson1 1U.S. Geological Survey, Dept. 3167, New Mexico State University, Box 30001, Las Cruces, NM, 88003-0001 Hydrologic sections consisting of observation-well groups and a river-stage gage were established along
SHAPES, PARAMETERS, AND MOMENT ESTIMATORS OF LOG-HYPERBOLIC GRAIN-SIZE DISTRIBUTIONS COMPARED WITH NORMATIVE STATISTICAL TREATMENTS
D. W. Love1, Allan Gutjahr2 and Andreas Lazari2 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 2Mathematics Department, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 Normative treatment of geologically
Fossil resin biogeochemistry: Stratigraphy and sequence
Donald L. Wolberg1, D. M. Bellis1, G. S. Austin1 and P. Domski1 1New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, 87801 variation of several paleoenvironmental and geochemical parameters have been determined on samples
Monitoring rock mass behavior during langbeinite pillar recovery
Kevin M. O’Connor Assistant Professor of Geological Engineering, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 A mining company in southeastern New Mexico has just completed a prototype pillar recovery operation in the
Tectonic and climatic influences on mountain front landform evolution along a segmented range-front fault, Sangre de Cristo Mountains, north-central New Mexico
Frank J. Pazzaglia Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Morphologic characteristics of drainage basins, alluvial fans and stream terraces along a tectonically active mountain front may be influenced by both the
Cretaceous stratigraphy near Virden, Hidalgo County, New Mexico
Spencer G. Lucas1, Thomas E. Williamson1 and Adrian P. Hunt1 1New Mexico Museum of Natural History, P.O. Box 7010, Albuquerque, NM, 87194 Approximately 625 m of Cretaceous strata are expose NE of Virden in secs.
A laboratory and field evaluation of several fluorinated benzoic acids for use as soil groundwater tracers
Joseph Gibbens1 and Robert Bowman1 1New Mexico Institute of Mining and Technology, Socorro, NM, 87801 In groundwater investigations involving multiple sources of water, or in cases where measurements are repeated over time, several unique tracers
Hydrothermal modeling, Steeple Rock district, New Mexico
Paul I. Eimon1 and Khosrow Bazrafshan1 1Geoscience Department, New Mexico Institute of Mining and Technology, Socorro, NM, 87801 The Steeple Rock Silver/Gold Mining District lies in southwestern New Mexico 15 miles east of the town
Catenary soil development and slope degradation on three Late Quaternary fault scarps in New Mexico
Paul Drake1, P. Eberly1, C. Renault1, T. Royek1 and T. Skirvin1 1Department of Geology, University of New Mexico, Albuquerque, NM, 87131 Single-rupture fault scarps reflect erosional, depositional and pedogenic processes that have acted, through time
Paleontology of the Lower Shale Member of the Chinle Formation (Upper Triassic), San Miguel County, New Mexico
Paul L. Sealey1, Adrian P. Hunt1 and Spencer G. Lucas1 1New Mexico Museum of Natural History, P.O. Box 7010, Albuquerque, NM, 87194 We report here the first fossil vertebrates known from the shale member of