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
Preliminary results from a late Pleistocene to Holocene paleoclimate study of the lake sediment cores, northern New Mexico
A. R. Brister and M. S. Petronis The geography of the Las Vegas National Wildlife Refuge (LVNWR) and surrounding region has changed dramatically since the late Pleistocene in response to the expansion and contraction of
Large-volume Quaternary travertine deposits in the Rio Grande rift and Jemez lineament, New Mexico and Arizona: Implications for paleoclimate, landscape evolution, and neotectonics
A. Priewisch, L. J. Crossey, E. Embid, K. E. Karlstrom, V. Polyak, Y. Asmerom, J. Ricketts and A. Nereson New Mexico and Arizona host several large-volume (0.2-0.9 km3) travertine deposits with surface areas of 10
A giant phytosaur (Reptilia: Archosauria) skull from the Garita Creek Formation (Upper Triassic: Adamanian) of north-central New Mexico
D. C. Bond, L. F. Rinehart, W. L. Layman and S. G. Lucas Phytosaurs are large, semi-aquatic, carnivorous reptiles known from Upper Triassic strata in North America, Brazil, Europe, Turkey, North Africa, Madagascar, India, and
Dynamic earthquake triggering above the Socorro magma body, New Mexico
E. A. Morton and S. L. Bilek When earthquakes occur they release energy in the form of waves that cause ground movements. For high magnitude earthquakes, these waves can travel around the world and interact
Trace elements in the Copper Flat porphyry deposit, Hillsoboro mining district, Sierra County, New Mexico
G. Pruthvidhar, V. T. McLemore and N. Dunbar Copper Flat deposit is a small porphyry copper deposit in the Hillsboro mining district, NM. Copper Flat has proven and probable reserves of 45.5Mt of ore at
Comparing detrital zircon U-Pb age data to determine provenance relationships of Upper Cretaceous strata southwest NewMexico and southeast Arizona
J. C. Gilbert and T. F. Lawton Analysis of detrital zircon U-Pb age data of the Early Cretaceous Hell-to-Finish Formation of the Little Hatchet Mountains in New Mexico and the Late Jurassic Glance Conglomerate and
Ar-Ar phlogopite geochronology of the Navajo volcanic field and the Ship Rock diatreme of northwest New Mexico define a 1.4 Ma pulse of potassic magmatism
J. P. Nybo, W. C. McIntosh and S. Semken Newly acquired Ar-Ar phlogopite ages indicate a brief but widespread pulse of magmatism at 25.9 to 24.5 Ma in Navajo Volcanic Field (NVF). Covering approximately 30,000
Uranium-series dating of travertine from Soda Dam, New Mexico: Constructing a history of deposition, with implications for landscape evolution, paleohydrology, and paleoclimatology
A. J. Tafoya, L. J. Crossey, K. E. Karlstrom, V. Polyak, Y. Asmerom and C. Cox High precision uranium-series geochronology at Soda Dam, New Mexico provides a record of paleohydrology and incision history for the
Pennyslvanian Sandia Formation in the Sierra Nacimiento, New Mexico: Evidence of tectonism of the Arm Penasco uplift
K. Krainer, S. G. Lucas, J. A. Spielmann and D. Vachard The Lower-Middle Pennsylvanian (?late Morrowan- early Atokan) Sandia Fm. in the Sierra Nacimiento, north-central New Mexico, is characterized by distinct lateral changes in thickness
Calcite-filled travertine used to constrain the timing and orientation of Quaternary extension along the western margin of the Rio Grande rift, central New Mexico
J. W. Ricketts, A. Priewisch, M. Kolmaznik and K. E. Karlstrom Large-volume travertine deposits in the Lucero Uplift provide an excellent opportunity to understand and quantify Quaternary extension along the western boundary of the Rio
New outcrops of the Upper Cretaceous “Boquillas Formation” in the Franklin Mountains near El Paso, Texas
S. G. Lucas, K. Krainer, J. A. Spielmann and B. Cornet The “Boquillas Formation” (= Mancos Shale) is shale-dominated strata of Late Cretaceous (middle Cenomanian) age known in New Mexico from outcrops on the northern
Late Cretaceous U-Pb tuff ages from the Laramide Skunk Ranch formation, Little Hatchet Mountains, southwestern New Mexico
G. R. Jennings and T. F. Lawton New LA-ICP-MS U-Pb ages on zircon crystals from airfall tuff beds within the Skunk Ranch Formation, a Laramide synorogenic unit exposed in the Little Hatchet Mountains, southwestern New
Eruption characteristics of the Cienega cinder cone, Cerros del Rio volcanic field, New Mexico
M. Foucher, A. Romero and J. Linline This study describes the eruption characteristics of the Pleistocene Cienega Cinder Cone. This volcano is located in the southeastern part of the Cerros del Rio volcanic field (CdR)
Nogal Canyon caldera, southern San Mateo Mountains, Socorro County, New Mexico; A progress report
V. T. McLemore The Nogal Canyon caldera is the southernmost caldera that formed the San Mateo Mountains. Mt. Withington (27.4 Ma) and Bear Trap Canyon (24.4 Ma) calderas are north of the Nogal Canyon caldera.
An unusually large metaposaurid from the Salitral Formation of the Chinle Group (Upper Triassic: Carnian?) on lands belonging to the Pueblo of Jemez
K. M. Madalena, K. E. Zeigler and S. S. Sumida Lands belonging to the Pueblo of Jemez in north-central New Mexico include sedimentary strata that range in age from Mississippian to Pleistocene, and include excellent
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
Geochronologic history of deposition of the Upper Cretaceous Pictured Cliffs Sandstone, Fruitland Formation, and Kirtland Formation, San Juan Basin, New Mexico and Colorado
J. E. Fassett For about 25 m.y., the Western Interior Seaway bisected the North American continent, withdrawing and disappearing from most of the area during Late Cretaceous time. In the San Juan Basin area of
Complex sediment preservation and removal in the northern and central Tularosa Basin, New Mexico, due to deflation, base level changes, down-wind accumulations, and recycling
D. W. Love, B. D. Allen and D. J. Koning On the floor of the Tularosa Basin, deflation has repeatedly controlled local base levels and related eolian, playa, and alluvial geomorphic features, with eolian sediment
Comparison of Miocene tectonism and paleoclimate with rift-basin sedimentation and drainage positions, Espanola Basin, New Mexico
D. J. Koning and S. D. Connell We summarize Miocene clastic deposition in the Española Basin (EB) and examine how drainage systems may respond to tectonic and paleoclimatic controls. The EB is a half-graben tilted
Vertebrate coprolites from the lower Permian (Lower Wolfcampian) Gallina Well locality, Joyita Hills, Socorro County, New Mexico
A. K. Cantrell, T. L. Suazo, J. A. Spielmann and S. G. Lucas Vertebrate coprolites are the most common trace fossils found at the Lower Permian (middle Wolfcampian) Gallina Well locality in Socorro County, New
Ecology of early Eocene San Juan Basin, New Mexico, Phenacolemur Jepseni with Phenacolemur Citatus and Phenacolemur Praecox from Bighorn Basin, Wyoming – A study of microwear and dental variation as a proxy for Eocene climate change
C. D. Pilbro Phenacolemur was a widespread genus of Plesiadapiforms (primate-like animals) that lived from the late Paleocene to early Eocene of North America and Europe. Members of this genus were small, varying in size
A study of the holotype of Allotrioceras Flower 1955
J. H. McDonnell Allotrioceras is an enigmatic fossil from the middle Ordovician of the Champlain Valley named and described by Dr Rousseau Flower (1955) and assigned to the cephalopod order Endocerida as type species for
Aetosaurus from the Upper Triassic Bull Canyon Formation, Quay County, New Mexico, and its significance
T. L. Suazo, A. K. Cantrell, S. G. Lucas and J. A. Spielmann Aetosaurus is an Upper Triassic genus of relatively small and inornate aetosaurs known from three species: A. ferratus, A. crassicauda, and A.