Global ETD Search
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Showing 1 to 12 of 12 for “"Tectonic Development"”.
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Towards a model of the Cenozoic tectonic development of New Zealand
… made so far to formulate a model of the Cenozoic tectonic development of New Zealand, which reconciles this regional complexity and diversity. The objective of this thesis is to work towards such a model. This has involved the identification and resolution of five critical and interrelated …
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The tectonic development of the Namaqua mobile belt and its foreland in parts of the Northern Cape
… Kaapvaal Craton near Prieska. Its Precambrian tectonic development is characterised by several successive periods of deformation and metamorphism, the last of which - the Namaqua tectogenesis - occurred between c. 0,9 and 1,25 Ga B.P. The northern boundary of the mobile belt is the Namaqua …
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Tectonic development of Proterozoic structures and their influence on Laramide and Miocene deformation, north Virgin Moutains, SE Nevada and NW Arizona
… and intrusive rocks that record four tectonic events from circa 1740 Ma to 1550 Ma (d1-D4) characterized by distinct structural fabrics and associated metamorphic assemblages and microstructures. The most prominent Proterozoic structure is the Virgin Mountains shear zone (VMSZ), which …
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The post-breakup evolution of the western Indian high-elevation passive margin
The tectonic development of the Western Indian high-elevation passive margin is complex. At least two major rifting events (India/Madagascar and India/Seychelles) and a major hotspot (The Reunion plume) are believed to have been instrumental in the formation and development of the margin. However, …
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Cenozoic Evolution of the Gold Creek Basin, Western Montana: Mapping and Documenting the Geology of the Rock Creek Lake 7.5' USGS Quadrangle
… and sedimentary fill record associated with tectonic development of the northern Flint Creek Range and, in particular, the Anaconda metamorphic core complex and 2) determine the existence and extent of Pleistocene glacial deposition in the study area. Gneissic mylonitic granodiorite along the …
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Cenozoic Evolution of the Gold Creek Basin, Western Montana: Mapping and Documenting the Geology of the Rock Creek Lake 7.5' USGS Quadrangle
… and sedimentary fill record associated with tectonic development of the northern Flint Creek Range and, in particular, the Anaconda metamorphic core complex and 2) determine the existence and extent of Pleistocene glacial deposition in the study area. Gneissic mylonitic granodiorite along the …
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The tectonic evolution of the North Central Caribbean plate margin
… with all available information in a study of the tectonic development of the Cayman Trough and the Greater Antilles Ridge. This development is connected with the relative motions of the North and South Americas and the eastern Pacific plates. Thus, the pre-Tertiary history of the region is one of …
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The geological evolution of the eastern Richtersveld
… the Kookrivier Formation. It was followed by syntectonic even-grained granodiorite and by posttectonic granite and leucogranite. Textural analysis of the undeformed granite phase provided information as to its intrusion and crystallisation history and the sequence of crystallisation. Since the …
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MAGANOM : a computer program for the modeling and interpretation of marine magnetic anomalies with an example from the Cayman Trough, northwest Caribbean Sea
… and magnetic anomaly data to describe the tectonic development of the Cayman Trough. All of the magnetic anomaly data modeling was done with MAGANOM. It is important to study the opening of the Cayman Trough because it records aspects of relative motion between the North American and …
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Lithofacies, provenance, and diagenesis of jura-cretaceous strata of the Northern Bowser Basin, British Columbia
… Basin (northern British Columbia) record the tectonic development of the Canadian Cordillera. Strata are divided into the undivided Bowser Lake Group and overlying Currier, McEvoy, and Devils Claw formations Lithofacies include marine mudstone, coarsening upward mudstone, fining upward …
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Structure of the Patagonian fold-thrust belt in the Magallanes region of Chile, 53° - 55° S Lat.
… Rocas Verdes marginal basin, subsequent development of the Patagonian retroarc fold-thrust belt and the Neogene to present tectonic superposition of a left-lateral strike-slip plate margin defined by the Magallanes- Fagnano fault zone. In this dissertation, I present new geologic maps, …