Preliminary stratigraphic cross section showing radioactive black shale zones in the Devonian black shales in eastern Ohio and west-central Pennsylvania

Roen, John B.; Wallace, L.G.; Witt, Wallace De

doi:10.3133/ofr77840

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Devonian Outcrop1

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1985

1991

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“…OC-80 (Wallace, Roen, and de Witt, 1977), OC-82 (Roen, Wallace, and de Witt, 1978), OC-83 (WaUace, Roen, and de Witt, 1978), OC-85 (Kepferle, Wilson, and Ettensohn, 1978), and OC-86 (West, 1978).…”

Section: Devonian Outcropmentioning

confidence: 99%

Stratigraphic notes, 1984

1985

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The San Pablo Formation is geographically restricted from the area south of Hospital Creek on the east flank of the Diablo Range.Strata previously assigned to the basal part of the San Pablo Formation and lower previously unnamed strata are herein reassigned to the Poverty Flat Sandstone (new) of late middle and late Eocene age.The Valley Springs Formation (upper Oligocene and lower Miocene) is extended from the east side of the northern San Joaquin Valley to include part of the original San Pablo Formation. The remainder of the strata previously assigned to the San Pablo Formation are reassigned to the Neroly Sandstone (upper Miocene).

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Section: Devonian Outcropmentioning

confidence: 99%