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Skip to Search Results- 5Paleoclimate
- 5Tectonics
- 2Magnetostratigraphy
- 2Paleointensity
- 2Paleomagnetism
- 1Anisotropy of magnetic susceptibility
- 1Anwar, Taslima
- 1Bertrand, Edward
- 1Blanco Acuna, Dunia
- 1Borowiecki, Ryan
- 1Hanneson, Cedar
- 1Jones, Gabrielle
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Environmental Controls on Alternating Aragonite-calcite Laminations in Notch-speleothems from Cayman Brac, Cayman Islands, British West Indies
DownloadFall 2017
Speleothems that grow in semi-exposed surface environments, such as wave-cut notches, are not well understood despite their widespread distribution. The +6.4 m-high wave-cut notch on Cayman Brac, that formed ~ 125 ka ago, is decorated with stalactites, stalagmites, and columns that grew between...
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Eustatic and Tectonic Controls on the Development of the Stratigraphic Architecture of the Cayman Islands, British West Indies
DownloadFall 2019
The Paleogene to Neogene carbonate sedimentary successions that form the cores of each of the Cayman Islands, which are located within 150 km of each other, developed on isolated banks that were surrounded by deep oceanic water. Although each of the Cayman Islands has experienced uniform changes...
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Geothermal exploration and tectonic studies in southwestern Canada using the magnetotelluric method
DownloadFall 2023
Subduction zones are an important class of plate boundaries and are the location of several important geological processes. Significant mineral and geothermal energy resources are also formed by plate convergence. The magnetotelluric (MT) method is a useful tool to study subduction zones,...
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Implications of in situ zircon U-Pb, Lu-Hf, oxygen-isotope, and trace element geochemistry on the petrogenetic history of the northern Hogem batholith in the Quesnel terrane, north-central British Columbia, Canadian Cordillera
DownloadSpring 2022
The Cordilleran orogen of western Canada is a type example of accretionary tectonism and thus an ideal location to study continental growth by oceanic and continental arc magmatism and terrane accretion. Cordilleran Intermontane terranes are interpreted as accreted oceanic arcs that contributed...
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Spring 2023
Centennial, millennial and multi-millennial scale climate cycles have been observed in paleoclimate proxies distributed globally. Examples of these cyclical climate cycles include oscillations with periods of ~2.3, ~1.5, ~1, and ≤0.5 thousand years (kyr) in the Quaternary. In the Neogene, longer...
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Spring 2010
Arc-continent collisions are a fundamental plate tectonic process that control continental growth, orogen development and the distribution of natural hazards and natural resources. This process actively occurs in Taiwan where the Luzon Volcanic Arc collides obliquely with the passive margin of...
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Paelomagnetic and petromagnetic studies of Chinese Cenozoic sediments: Paleoclimatic, tectonic, and evolutionary implications
DownloadFall 2012
The anisotropy of magnetic susceptibility (AMS) was investigated in three Chinese Loess Plateau sedimentary sections along a W–E transect. Previously published models assumed that winter monsoons were responsible for the magnetic fabric formation of loess sequences. In our new interpretation, the...
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Paleomagnetic studies of volcanic rocks in Siberia and sedimentary rocks in Southern Alberta: From long-term geomagnetic field variations to age determinations
DownloadFall 2013
Paleomagnetism is a fundamental tool to understand the ancient variations of Earth’s magnetic field through time. Important applications to geochronology and paleography come from interpreting the variations of the planetary magnetic vector. This dissertation explores the different applications...
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Study of the Chinese loess and Siberian flood basalts: new global scale insights to the paleoclimate and geomagnetic field changes
DownloadSpring 2017
Paleomagnetism, in conjunction with other earth science methods, studies the behavior of the Earth's magnetic field, the drift of tectonic plate, climate and environmental changes. This thesis implements different applications of paleomagnetism to develop a technique to evaluate age for the...
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Spring 2012
Three sedimentary drilling cores from Lake Baikal were used to build a new composite magnetic susceptibility record for the Brunhes and upper Matuyama chrons. The developed age model, based on the constructing of the composite susceptibility signal and orbital tuning, shows a substantial...