Global ETD Search
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Showing 1 to 5 of 5 for “"Great Unconformity"”.
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Insight from thermochronology, magnetotellurics, and structural analysis into the tectonic evolution of the Ozark Dome-Illinois Basin region, Midcontinent USA
… between the cover and the basement is the Great Unconformity.) This region includes both the vast plains of Illinois, which display barely any relief, as well as the Ozark Plateau, an area of elevated land (up to 600 m above sea level) dissected by streams. This plateau is distinctive from …
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The Midcontinent exposed: Precambrian basement topography, and fault-and-fold zones, within the cratonic platform of the United States
… cover of Phanerozoic strata is known as the ""Great Unconformity."" Though the cratonic platform has been relatively stable, tectonically, for over a billion years, it has been affected by epeirogenic movements that produced regional-scale basins, domes and arches. Also, faults within the …
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Insights from integrated deep-time thermal history modeling; Constraining the burial, exhumation, and long-term stability of the Fennoscandian Shield
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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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
… in the Cambrian Bright Angel Shale and at the Great Unconformity. Apatite-fission track (AFT) dates range from 21.7 ± 2.3 Ma directly below the Cambrian-Precambrian unconformity to 14.0 ± 2.5 Ma in the core of the VMA, and indicate that the anticline was unroofed in Miocene time. Short AFT …
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Deep-time thermochronology of the US Upper Midwest cratonic interior
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01