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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2012
The siphuncle in a speciment of Domatoceras from the San Andres Formation, New Mexico
J. H. McDonnell The nautiloid cephalopod Domatoceras Hyatt 1891 is well known from the Pennsylvanian and Permian of North America. Descriptions however are pretty much limited to the external morphology of the shell as in
Reconstructing Quaternary Pluvial Episodes Using Travertines Of Egypt’s Western Desert
G. Jimenez1, L. J. Crossey1, K. E. Karlstrom1, J. W. Ricketts1, A. J. Tafoya1, T. Anan2 and A. Mohammed2 1Earth and Planetary Sciences, University of New Mexico, Albuquerque,, NM, 87131-0001, jimenezg@unm.edu 2Department of Geosciences, Western
Evaluating solute sources in the Upper Gila River, New Mexico
P. Vakhlanov, L. J. Crossey, C. N. Dahm, V. Acuna and A. S. Ali The Gila River in southwestern New Mexico is one of the last free flowing rivers in North America. It exhibits a
Geomorphic Characterization Of The Gilbert River Distributive Fluvial System (Dfs) And Implications For Cretaceous Coastal Fluvial Successions
K. C. McNamara1 and G. S. Weissmann1 1Department of Earth & Planetary Sciences, University of New Mexico, MSC03 2040, 1 University of New Mexico, Albuquerque, NM, 87131-0001, kelsey82@unm.edu The Gilbert River distributive fluvial system (DFS)
Anisotropy of magnetic susceptibility, rock magnetic, and paleomagnetic data from mafic dikes in the Espanola Basin, Rio Arriba County, New Mexico
R. Trujillo, M. S. Petronis and J. Lindline This study characterizes a suite of Miocene mafic dikes in the Española Basin, north-central NM using paleomagnetic, rock magnetic, and field observations. Paleomagnetic data provided constraints on
A Juliform Millipede From The Upper Pennsylvanian (Virgilian) Bursum Formation, Carrizo Arroyo, Central New Mexico
J. A. Spielmann1 and S. G. Lucas1 1New Mexico Museum of Natural History and Science, 1801 Mountain Rd. NW, Albuquerque, NM, 87104 Fossil millipedes are rare elements the Paleozoic assemblages of western North America and
Investigation of soil pollution sources in the El Paso region using SEM, magnetic susceptibility, and XRF analysis
J. L. Tasker, M. Gomez and L. R. Bothern In urban area soil pollution is a major concern for the health of residents, development of the land, water usage, and agricultural production. This makes investigation
The Distributive Fluvial System (DFS) Paradigm: Re-Evaluating Fluvial Facies Models Based on Observations from Modern Continental Sedimentary Basins
G. S. Weissmann1, A. J. Hartley2, G. J. Nichols3 and L. A. Scuder 1University of New Mexico, Department of Earth and Planetary Sciences, MSC03 2040, 1 University of New Mexico, Albuquerque, NM, 87131-0001, USA 2Department
The Beartooth-Mojado connection: Using mid-Cretaceous sedimentary rocks to understand the tectonic history of southwest New Mexico
S. E. Machin, J. M. Amato and T. F. Lawton Mid-Cretaceous quartzarenites in the Bisbee basin of southwestern New Mexico record the transition from Late Jurassic-Early Cretaceous rifting to the onset of Laramide shortening in
Early Campanian ammonites and other molluscs from the Point Lookout Sandstone near Cabezon, Sandoval County, New Mexico
P. L. Sealey and S. G. Lucas Ammonites and other molluscs were collected from near the base of the Point Lookout Sandstone near Cabezon, New Mexico. The ammonites Placenticeras syrtale, Baculites sp. and Scaphites leei
Diachronous episodes of Cenozoic erosion in southwestern North America and their relationship to rock uplift, paleoclimate, and paleoaltimetry
S. M. Cather, C. E. Chapin and S. A. Kelley The history of erosion of southwestern North America and its relationship to uplift processes is a long-standing topic of debate. We use geologic and thermochronometric
No evidence for conformable contact between the Ojo Alamo Sandstone and the Nacimiento Formation
T. E. Williamson, S. L. Brusatte, D. J. Peppe, R. Secord and A. Weil The San Juan Basin of northwestern New Mexico is a Laramide basin that accumulated sediments through the Cretaceous-Paleogene (K-Pg) boundary. However,
Evaluation of chemical geothermometers for estimating reservoir temperatures of New Mexico geothermal systems
T. H. Schlossnagle, F. M. Phillips, M. A. Person and A. R. Campbell New Mexico is endowed with relatively high background heat flow and permeable, fractured bedrock. This combination has given rise to numerous low-temperature
A preliminary geologic map of the Bull Gap quadrangle, Lincoln County, southeastern New Mexico
K. E. Zeigler and B. D. Allen The Bull Gap Quadrangle is located in the northern Tularosa Basin, south of Carrizozo and north of Oscura, New Mexico. The topography is primarily low, rolling country with
U-series dating and stable isotope analysis of travertine deposits near Ponderosa, New Mexico: Implications for defining the eastern limit of the Valles outflow plume
R. E. Salaz, S. A. Kelley, G. Woldegabriel and M. Albrecht The well-known Valles caldera hydrothermal outflow plume, which flows along the Jemez Fault Zone (JFZ) in Cañon de San Diego (CdSD) in the SW
Early Permian tetrapod ichnofauna from the Sangre de Cristo Formation of north-cerntral New Mexico
S. Voigt, S. G. Lucas and L. F. Rinehart Early Permian tetrapod footprints from the Sangre de Cristo Formation of the Pecos River Valley area in north-central New Mexico have been known for more than
Revision of Redondasaurus (Archosauria: Parasuchidae) from the Upper Triassic (Apachean) of the American southwest
J. A. Spielmann and S. G. Lucas A recent restudy of Apachean-age phytosaurs, primarily from the Chinle Group of the American Southwest, has allowed for the recognition of at least six new skulls of the
Function of dermal bone texture in Middle Triassic Temnospondyl amphibians from New Mexico
L. F. Rinehart and S. G. Lucas The dermal skull bones of temnospondyl amphibians are textured with patterns of raised, honeycomb-like and/or ridge-and-groove patterns. The function of this texture has been the subject of inquiry
Holocene Fire-related Alluvial Chronology and Geomorphic Implications in the Jemez Mountains, NM
E. P. Fitch1 and G. A. Meyer1 1Department of Earth & Planetary Science, University of New Mexico, MSCO3-2040, 1 University of New Mexico, Albuquerque, NM, 87131-0001, epfitch@unm.edu Following a fire, extensive erosion may occur on
How Trees Interact With Their Environment: A Stable Isotope Study
Gierke C. G.1 and B. T. Newton2 1New Mexico Tech Department of Earth & Environmental Sciences, 801 Leroy Place, Socorro,, NM, 87801, cgierke@nmt.edu 2NM Bureau of Mines & Mineral Resources, New Mexico Institute of Mining
Identifying the magma source(s) of the Carrizozo lava flow, south-central New Mexico
E. Gladish, F. C. Ramos and N. J. McMillan The Carrizozo lava flow, located in south-central New Mexico, is a young (~5000 ka) tholeiitic basalt flow erupted in the Rio Grande rift, which consists of
U-Pb zircon and Sr-isotope constraints on age and contamination of Paleogene volcanic rocks of the Burro Mountains, southwest New Mexico
T. N. Jonell, J. M. Amato and F. C. Ramos The Burro Mountains of New Mexico lie at the southernmost edge of the Mogollon-Datil volcanic field. New U-Pb zircon ages from intermediate and felsic lava
Pennyslvanian strata and Ancestral Rocky Mountain tectonism in Sierra County, New Mexico
S. G. Lucas, K. Krainer, W. J. Nelson and J. A. Spielmann Pennsylvanian strata are well exposed in the San Andres, Fra Cristobal, Caballo and Mud Springs Mountains in Sierra County, New Mexico. The oldest
Geothermal exploration of the Winston Graben, central New Mexico
M. J. Sophy and S. A. Kelley The geothermal potential of the Winston graben (WG) is evaluated using well temperature logs, gravity and magnetic data, water chemistry, and water table measurements. The WG is a