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AGS / Geology / Stratigraphy / Ozark Plateaus / Tertiary


Age: Tertiary Period
Distribution: Eastern margin of the Ozark Plateaus in northern Arkansas
Geology: Scattered deposits of gravel present on isolated hills lying above Paleozoic and Cretaceous(?) rocks. This sequence has not been assigned to a specific stratigraphic unit or studied in detail.

Gravels ne Possum Grape Arkansas

Gravels near Possum Grape, Arkansas.

Gravel Deposits sitting approx 250 ft. above the White River

Gravel deposits sitting approx 250 ft. above the White River north of Rosie, Arkansas.  Also known as Rosie boulder site.

See Tg on map

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Arkansas Geological Survey
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Big Rock Quarry Panorama
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