455lec4 - Suture Zone and African Crust NW SE Southern...

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Paleozoic Earth 320 mya (Carboniferous) Why do we have so much coal? Thank continental drift, ancient land plants, & high sea level stands
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Coal: Transformed plant matter in ancient swamps
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Cumberland Plateau: Home of Big South Fork, Sequatchie Valley, Obed River and MTR
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Simplified Geologic Map of Tennessee Increasing geologic deformation related to mountain building. Coastal Plain Central Basin Cumberland Plateau Blue Ridge Western Highland Rim Eastern Highland Rim
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Schematic geologic cross section across the Southern Appalachians Once deeply buried continental crust is faulted towards the surface. Stretched continental crust from Precambrian rifting event.
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Unformatted text preview: Suture Zone and African Crust NW SE Southern Appalachians Plateau Valley & Ridge Fold Thrust Belt Blue Ridge Piedmont Coastal Plain Schematic cross section, A-A' , showing (1) Ordovician (O) through Pennsylvanian (IP) strata, (2) present-day topographic profile, below which geologic units are colored, (3) large geologic structures including the Sequatchie Valley anticline (SVA) and the Lookout Valley anticline (LVA), and (4) possible topographic profiles of the geologic past (t0 = oldest, t2 = youngest). Section is not drawn to scale and is vertically exaggerated. See digital relief map for approximate line of section....
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455lec4 - Suture Zone and African Crust NW SE Southern...

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