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Skip to Search Results- 5Paleoclimate
- 3Cenozoic
- 2Magnetostratigraphy
- 2Paleointensity
- 2Paleomagnetism
- 1Anisotropy of magnetic susceptibility
- 1Anwar, Taslima
- 1Blanco Acuna, Dunia
- 1Borowiecki, Ryan
- 1Divay, Julien D
- 1Imer, Ali
- 1Rohraff, Karol J.
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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...
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Tectonomagmatic Controls on the Çöpler Epithermal Au and Cevizlidere Porphyry Cu-Au-Mo Deposits (Central Eatern Turkey) and the Genesis of the Porphyry-Epithermal Mineralization at the Çöpler Epithermal Au Deposit
DownloadSpring 2015
The Munzur Mountains in central eastern Turkey are an emerging belt of intrusion-related precious and base metal deposits. Two recent discoveries, the Çöpler epithermal Au and Cevizlidere porphyry Cu-Mo-Au deposits, lie 50 km apart and are located along the northern and southern margins of the...
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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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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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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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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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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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Cenozoic ichthyofaunas of the North American Western Interior, and palaeoclimatic and palaeoenvironmental reconstructions
DownloadSpring 2015
The Cenozoic fluvial fish faunas of the North American Western Interior are poorly known in comparison to better preserved lake ichthyofaunas, such as that of the Green River Formation. However, fluvial fishes are typically represented by disarticulated material, which is more commonly preserved...