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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2009
THE JORNADA DEL MUERTO IMPACT STRUCTURE
Gerald Lindsay Geologic Consultant, 12517 Iroquois Pl. NE, Albuquerque, NM A circular feature located in the Jornada del Muerto valley in southern New Mexico, visible only on satellite photographs, has been interpreted to be a
NEW MEXICO’S FOSSIL RECORD: DETERMINATION OF GEOLOGICAL AGES FOR CAMBRIAN-PLEISTOCENE ROCKS USING BIOCHRONOLOGY
Spencer G. Lucas New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Albuquerque, NM, 87104, spencer.lucas@state.nm.us New Mexico (NM) has an extensive fossil record that ranges in age from Late Cambrian to
PENNSYLVANIAN STRATIGRAPHY AND CONODONT BIOSTRATIGRAPHY IN THE CERROS DE AMADO, SOCORRO COUNTY, NEW MEXICO
Spencer G. Lucas1, Karl Krainer2 and James E. Barrick3 1New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Albuquerque, NM, 87104, spencer.lucas@state.nm.us 2Institute of Geology and Palaeontology, University of Innsbruck, Innrain 52,
PALEOMAGNETISM OF ROCK STRATA ADJACENT TO THE CRETACEOUSTERTIARY INTERFACE IN THE SAN JUAN BASIN, NEW MEXICO AND COLORADO
James E. Fassett USGS Scientist Emeritus, 552 Los Nidos Drive, Santa Fe, NM, New Mexico, 87501, jimgeology@qwest.net Multiple paleomagnetic sections have been obtained through rock strata adjacent to the CretaceousTertiary (K-T) interface in the San
THE PENNSYLVANIAN SECTION AT WHISKEY CANYON, MUD SPRINGS MOUNTAINS, SIERRA COUNTY, NEW MEXICO
Spencer G. Lucas1, K. Krainer2 and Justin A. Spielmann1 1New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Albuquerque, NM, 87104, spencer.lucas@state.nm.us 2Institute of Geology and Palaeontology, University of Innsbruck, Innsbruck A-6020,
VERTEBRATE PALEONOTOLOGY OF THE PALEOCENE OJO ALAMO SANDSTONE, SAN JUAN BASIN, NEW MEXICO
James E. Fassett USGS Scientist Emeritus, 552 Los Nidos Drive, Santa Fe, NM, New Mexico, 87501, jimgeology@qwest.net The Paleocene Ojo Alamo Sandstone is present throughout most of the New Mexico part of the San Juan
VERTEBRATE BIOCHRONOLOGY OF THE CRETACEOUS-PALEOCENE TRANSITION, SAN JUAN BASIN, NEW MEXICO
Spencer G. Lucas1 and Robert M. Sullivan2 1New Mexico Museum of Natural History and Science, 1801 Mountain Road NW, Albuquerque, NM, 87104, spencer.lucas@state.nm.us 2State Museum of Pennsylvania, 300 North Street, Harrisburg, PA, 17120 In the
GEO AND THERMOCHRONOLOGICAL EVIDENCE FOR THE EMPLACEMENT AND EXHUMATIONAL HISTORY OF THE TWIN LAKES BATHOLITH: IMPLICATIONS FOR THE LARAMIDE OROGENY
Josh D. Feldman1, Matthew T. Heizler2, Shari Kelley2, Karl Karlstrom3 and George Gehrels4 1New Mexico Institute of Mining and Technology, Socorro, NM, 87801, jfeldman@nmt.edu 2New Mexico Bureau of Mines and Geology, New Mexico Tech, Socorro,
40Ar/39Ar GEOCHRONOLOGY OF MANGANESE OXIDE MINERALS: A MINERALOGICAL BASIS FOR SUCCESSFUL ANALYSES
V. W. Lueth1, L. Peters1 and K. E. Samuels2 1NM Bureau of Mines & Mineral Resources, 801 Leroy Place, Socorro, NM, New Mexico, 87801, vwlueth@nmt.edu 2John Shomaker & Associates, Inc., 2611 Broadbent Pkwy, NE, Albuquerque,
USE OF COMPOSITIONAL ANALYSES OF OBSIDIAN ARTIFACTS IN UNDERSTANDING THE OCCUPATION HISTORY OF PUEBLO INDIANS IN THE CAÑADA ALAMOSA AREA, SOCORRO COUNTY, NEW MEXICO
Jeffrey R. Ferguson1, Virginia T. McLemore2 and Karl W. Laumbach3 1University of Missouri Research Reactor, Columbia, MO, fergusonje@missouri.edu 2New Mexico Bureau of Mines & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM,
LARAMIDE VOLCANISM, PLUTONISM, AND PORPHYRY COPPER DEPOSITS IN SOUTHWESTERN NEW MEXICO
Virgina T. McLemore1, Matthew Zimmerer2, William C. McIntosh3 and Matt T. Heizler3 1New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM, 87801, ginger@gis.nmt.edu 2Department of Earth and
BASIN-FILL ARCHITECTURE OF PLIOCENELOWER PLEISTOCENE ALLUVIAL-FAN AND AXIAL-FLUVIAL STRATA ADJACENT TO THE MUD SPRINGS MOUNTAINS, PALOMAS BASIN, SOUTHERN RIO GRANDE RIFT
R. Foster1 and G. H. Mack1 1Geological Sciences, New Mexico State University, MSC 3AB, Las Cruces, NM, 88003-001, ron@nmsu.edu Well-exposed Pliocene-lower Pleistocene strata adjacent to the intrabasinal Mud Springs Mountains (MSM), near Truth or Consequences,
USE OF GEOCHRONOLOGICAL AND GEOCHEMICAL DATA TO CORRELATE DEPOSITS AND DOMES FROM THE CERRO TOLEDO INTERVAL, PAJARITO PLATEAU, JEMEZ VOLCANIC FIELD
E. P. Jacobs1, S. A. Kelley2, L. Peters2 and W. C. McIntosh2 1 3007 Villa Street, Los Alamos, NM, 87544, perkijacobs@gmail.com 2NM Bureau of Mines & Mineral Resources, New Mexico Institute of Mining & Technology,
FIELD, PETROGRAPHIC, AND GEOCHEMICAL EVIDENCE FOR THE ORIGIN OF THE “WHITE BEDS” IN THE CAMP RICE FORMATION (PLIOCENELOWER PLEISTOCENE), RINCON HILLS SOUTHERN RIO GRANDE RIFT
M. C. Jones1 and G. H. Mack1 1Geological Sciences, New Mexico State University, MSC 3AB, Las Cruces, NM, 88003-001, mathones@nmsu.edu Neogene basin fill within the Rio Grande rift and Basin and Range contain distinctive light-colored
AN ANALYSIS OF MICROBIAL LIFE IN KARST SPRINGS, SOUTHERN EDDY COUNTY, NEW MEXICO AND CULBERSON COUNTY, TEXAS
Terryl Bell Carlsbad High School, Carlsbad, NM, 88220 Spring systems in southern Eddy County, New Mexico and Culberson County, Texas were studied based on the presence of hydrogen sulfide emissions. Sulfur oxidizing/reducing bacteria were thought
TEPEE-LIKE STRUCTURES IN THE MIDDLE JURASSIC TODILTO FORMATION, WESTCENTRAL NEW MEXICO
W. R. Berglof1, K. Krainer2 and S. G. Lucas3 12-39-25 Nakahara, Musashi Murayama, Tokyo, Japan, 208-0035, Japan, berglofwr@yahoo.com 2Institute of Geology & Paleontology, University of Innsbruck, Innsbruck, Austria, A-6020, Austria 3NM Museum of Natural History
STRATIGRAPHY AND STRUCTURE OF THE LATE LARAMIDE CARTHAGE–LA JOYA BASIN, CENTRAL NEW MEXICO
Steven M. Cather New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM, 87801, steve@gis.nmt.edu The elongate, north-northwest trending Carthage–La Joya basin of central New Mexico developed in
MAGMA MINGLING: A PETROLOGIC, GEOCHEMICAL, AND GEOCHRONOLOGIC STUDY OF THE SOUTHERN GRANITOID SUITE OF THE FLORIDA MOUNTAINS, NM
J. S. Causey1 and N. J. McMillan1 1New Mexico State University, Department of Geological Sciences, Las Cruses, NM The Florida Mountain pluton consists of a complex group of syenite, quartz syenite, alkali-feldspar granite, and diorite
U-PB AGES OF DETRITAL ZIRCONS FROM THE OLIGOCENE CHUSKA SANDSTONE (ARIZONA–NEW MEXICO): IMPLICATIONS FOR SAND PROVENANCE
William R. Dickinson1, Steven M. Cather2 and George E. Gehrels1 1Department of Geoscienes, University of Arizona, Tucson, AL, 85721, wrdickin@dakotacom.net 2New Mexico Bureau of Geology and Mineral Resources, 891 Leroy Place, Socorro, NM, 87801 Exposures
PROVENANCE INTERPRETATIONS FROM UPB AGES OF DETRITAL ZIRCONS
William R. Dickinson1 and George E. Gehrels1 1Department of Geoscienes, University of Arizona, Tucson, AZ, 85721, wrdickin@dakotacom.net Over the past decade, the U-Pb geochronology of individual detrital-zircon (DZ) grains has become a standard methodology for
DETRITAL MONAZITE GEOCHRONOLOGY OF ORTEGA QUARTZITE CLASTS IN PENNSYLVANIAN STRATA OF THE NORTHERN TRUCHAS UPLIFT, NORTHERN NEW MEXICO: IMPLICATIONS FOR THE SLIP HISTORY OF THE PICURIS-PECOS FAULT
N. W. Dunbar1, S. M. Cather1 and L. Heizler1 1New Mexico Bureau of Mines & Mineral Resources, New Mexico Institute of Mining & Technology, 801 Leroy Place, Socorro, NM, 87801, nelia@nmt.edu Proterozoic Ortega quartzite clasts
EIGHT 40AR/39AR SANIDINE-CRYSTAL AGES FOR CAMPANIAN (LATE CRETACEOUS) STRATA, SAN JUAN BASIN, NEW MEXICO AND COLORADO
James E. Fassett USGS Scientist Emeritus, 552 Los Nidos Drive, Santa Fe, NM, 87501, jimgeology@qwest.net Between 1988 and 1996, eight altered volcanic ash beds in Upper Cretaceous strata were sampled in the San Juan Basin
PALYNOLOGY PRECISELY LOCATES THE CRETACEOUS-TERTIARY INTERFACE IN THE SAN JUAN BASIN, NEW MEXICO AND COLORADO
James E. Fassett USGS Scientist Emeritus, 552 Los Nidos Drive, Santa Fe, NM, New Mexico, 87501, jimgeology@qwest.net A robust palynologic data base sharply defines the Cretaceous-Tertiary (K-T) interface at numerous localities in the San Juan