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Resolving space-time strain paths of the Panamint and Cottonwood Mountains, eastern California, through bedrock thermochronology and detrital geochronology
(University of Missouri--Columbia, 2020)
The landscape in Death Valley region is the result of a complex history that includes Miocene Basin and Range extension and Miocene to recent transtension. Despite being one of the best studied regions in the world, ...
Neotectonic assessment of the southern Wassuk Range, western Nevada
(University of Missouri--Columbia, 2021)
Active deformation across western North America is distributed across a broad zone spanning from the San Andreas fault system to the Basin and Range Province. The Wassuk Range fault zone (WRFZ), located within the Walker ...
Emplacement styles of obsidian lavas: an integrated field and laboratory study
(University of Missouri--Columbia, 2021)
Previously accepted models of emplacement dynamics of obsidian lavas have recently been called into question by observations made during the effusive eruptions of Chaiten in 2008-2009 and Cordon Caulle in 2011-2012 in ...
Taxonomy, taphonomy, and ecology of Silurian (late Telychian) conulariids from the Waukesha Lagerstatte, Wisconsin
(University of Missouri--Columbia, 2021)
The Silurian (late Telychian Stage) Brandon Bridge Formation, Wisconsin, USA, hosts a diverse biota including arthropods, annelids, graptolites, brachiopods, corals, sponges, and algae, some of which exhibit exceptional ...
Preservation and bias in the Cambrian fossil record
(University of Missouri--Columbia, 2022)
Paleontology views deep time ecosystems through a taphonomic lens, biased and restricted by the controls enacted on each fossil deposit by various environmental factors, and including chemical and biological variables. ...
Determining the relationship between the Garlock fault and the Eastern California shear zone through detailed digital mapping and age characterization of faulted landforms, Southeastern California
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] Southeastern California is known for complex fault networks that accommodate strain from Pacific-North American plate convergence. The 250-km-long, left-lateral Garlock fault is integral to this ...
Active deformation of the South Granite Mountain Fault System : reactivated compressional faults vs. extensional overprinting
(University of Missouri--Columbia, 2022)
Quaternary faulting in and around Wyoming's Wind River Basin may pose a moderate earthquake risk for dams and other infrastructure within the region. The South Granite Mountains Fault Zone, located adjacent to the Wind ...
Temperature trends of the Late Cambrian through the Middle Ordovician : implications for Ordovician climate and biodiversification
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The Ordovician Period includes both the largest and longest period of sustained biodiversification--the Great Ordovician Biodiversification Event ...
The crustal structure of Southwestern Turkey using local seismic data
(University of Missouri--Columbia, 2023)
The primary objective of this study is to image the crustal seismic structure of southwestern Turkey by employing the double-difference travel time seismic tomography. In addition, this study accurately located seismicity ...
Orogeny-modified lithosphere
(University of Missouri--Columbia, 2021)
One of the major mantle reservoirs on Earth is the continental lithospheric mantle. Our understanding of the early continental lithosphere sometimes is limited by its subsequent complex history. Continental tracts can be ...
Atypical planetary lavas: rheological evolution of cooling and crystallizing flows from lunar impact melts and cryovolcanic processes
(University of Missouri--Columbia, 2021)
Volcanism is common to many of the solid planets and moons throughout the solar system. On Earth, volcanic research is mainly targeted at hazard assessment and prediction but volcanism on other worlds helps us understand ...
Investigations of Mississippi valley-type mineralizing fluids via analytical geochemistry, numerical modeling, and experimental geochemistry
(University of Missouri--Columbia, 2021)
Mississippi Valley-type (MVT) deposits represent enrichments of base metals and other elements up to 1000's of times greater than their average concentrations in the Earth's crust. These enrichments most commonly consist ...
Assessment of the CO2 sequestration potential of the Morrow-B Sandstone in the Farnsworth Unit, Northern Texas through numerical modeling and laboratory batch reaction experiments
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 5/1/2024] The objectives of this study were (1) to investigate the injection and storage of CO2 into the Morrow B Sandstone through numerical non-isothermal reactive transport models, (2) to establish a ...
Effect of plagioclase crystallization on liquid and magma viscosity in the Anorthite-diopside-dorsterite-quartz system
(University of Missouri--Columbia, 2006)
SiO2 (CMAS) glasses were synthesized as analogs for dacitic and basaltic lavas. Liquid viscosities were measured between 101 and 1013 Pa s, over the temperature range of approximately 1600 to 700⁰C, using concentric cylinder ...
Fluid inclusion and oxygen isotope studies of high-grade quartz-scheelite veins at the Cantung Mine, Northwest Territories, Canada: products of a late-stage magmatic-hydrothermal event
(University of Missouri--Columbia, 2006)
High-grade quartz-scheelite veins in the Open Pit orebody, Cantung occur 300 m above a limestone-monzogranite contact where the E-Zone orebody, a world-class tungsten skarn, is developed. Adjacent to these veins, alteration ...
Structural geology and tectonics of the paleoproterozoic rocks of the Mount Rushmore Quadangle, Black Hills, Souh Dakota
(University of Missouri--Columbia, 2006)
The Paleoproterozoic assembly of Laurentia occurred between ̃1.96 to 1.70 Ga, and continued with the accretion of island arc terranes until about 1.63 Ga. The Black Hills, South Dakota lie along the eastern margin of the ...
Petrogenesis and tectonic implications of mafic rocks in the Precambrian core of the Black Hills, South Dakota
(University of Missouri--Columbia, 2007)
The Precambrian core of the Black Hills of South Dakota records evidence of syncollisional events that occurred in the area during the Proterozoic collision of the Wyoming and Superior provinces. While these syncollisional ...
Lithium and lithium isotopes in tourmaline as indicators of crystallization processes: a study of San Diego County pegmatites, California
(University of Missouri--Columbia, 2007)
The pegmatites of San Diego County, California, are part of the Mesozoic Peninsular Ranges Batholith of southwestern California and Baja California, Mexico. Three LCT- pegmatites were studied. The pegmatites have texturally, ...
Laramide stress conditions and deformation mechanisms during the formation of Derby and Dallas Domes, Weiser Pass Quadrangle, Wind River Mountains, Wyoming
(University of Missouri--Columbia, 2007)
Uplift of the Wind River Mountains during the Laramide orogeny (ca. 80-40 Ma) produced a NNW-SSE series of southwest-verging, asymmetric, doubly plunging folds along the northeastern margin of the range. This fold series, ...
Fault evolution and earthquakes : a finite element study
(University of Missouri--Columbia, 2006)
The New Madrid Seismic Zone (NMSZ) in central United States is a good example of intraplate seismicity, which cannot be readily explained by the plate tectonics theory and remains poorly understood. I have developed a 3D ...