Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Basin formation"”.
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Fluid flow and deformation history of the Denver basin, CO region: fluid inclusions, U-Pb geochronology and isotope geochemistry of calcite-filled fracture cements in the Niobrara Formation
The Colorado Front Range and adjacent Denver basin host a complex fracture network mainly formed during the Laramide orogeny initiating in the Late Cretaceous to middle Cenozoic by orogenesis, basin formation, and burial. The fracture network (e.g., joints, faults, open stylolites) acted as …
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Prevalence, persistence and consequences of microorganisms within oil field environments and mitigation strategies
… on a limited number of unconventional shale formations in the United States (e.g., the Marcellus Formation) and do not represent the geological conditions in other unconventional formations. This work focuses on less studied unconventional tight formations in the Permian Basin Formation …
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An investigation of a polymetamorphic terrain using <sup>40</sup>Ar-<sup>39</sup>Ar geochronology
… be linked to the c.1500-1360 Ma timing of Belt basin formation to the north and west of the region. This technique therefore was able to overcome the difficulties associated with producing meaningful ages from altered samples whilst constraining the timing of the M3 metamorphic event.
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Mesoproterozoic tectonic evolution of southwestern North America : protracted intracratonic deformation, sedimentation, and differential exhumation in Grand Canyon and the Rocky Mountain Region
… provides an exceptional record of intracratonic basin formation and associated tectonics kinematically compatible with protracted "Grenville-age" NW-directed shortening. New U/Pb age determinations from tephra at the base of the Unkar Group date the onset of deposition at ca. 1254 Ma. 40Ar/39Ar …
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Plio-Pleistocene Drainage Evolution of The Vera Basin, SE Spain
The Vera Basin is used as a case study to examine the structural evolution and sedimentary response of a basin undergoing uplift and inversion during the Plio-Pleistocene. Particular emphasis is placed on the drainage evolution during that period. Located within the Internal zone of the Betic …
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Hydrocode modeling of oblique impacts into terrestrial planets
… on the Moon formed the South Pole-Aitken (SP-A) basin and excavated material as deep as the mantle. Here I suggest that large impacts eject enough material to cover the farside of the Moon. During the impact process, ejecta leave the crater and travel well beyond the transient crater. Ejecta …
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EPISODIC UPLIFT OF THE ROCKY MOUNTAINS: EVIDENCE FROM U-PB DETRITAL ZIRCON GEOCHRONOLOGY AND LOW-TEMPERATURE THERMOCHRONOLOGY WITH A CHAPTER ON USING MOBILE TECHNOLOGY FOR GEOSCIENCE EDUCATION
… are then used to better understand the timing of formation of the enigmatic Rocky Mountain Erosion Surface. Detrital zircon studies reclassify the Telluride Conglomerate and Blanco Basin Formation as being of Oligocene age, with maximum depositional ages of 30±3 Ma. This requires new understanding …