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Late Devonian and Early Mississippian Distal Basin-Margin Sedimentation of Northern Ohio

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/23236

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Title: Late Devonian and Early Mississippian Distal Basin-Margin Sedimentation of Northern Ohio
Creators: Lewis, Thomas L.
Issue Date: 1988-03
Citation: The Ohio Journal of Science. v88, n1 (March, 1988), 23-39
Abstract: Clastic sediments, derived from southeastern, eastern and northeastern sources, prograded westward into a shallow basin at the northwestern margin of the Appalachian Basin in Late Devonian and Early Mississippian time. The western and northwestern boundary of the basin was the submerged Cincinnati Arch. The marine clastic wedges provided a northwest paleoslope and a distal, gentle shelf-edge margin that controlled directional emplacement of coarse elastics. Rising sea levels coupled with differences in sedimentation rates and localized soft-sediment deformation within the basin help explain some features of the Bedford and Berea Formations. The presence of sand-filled mudcracks and flat-topped symmetrical ripple marks in the Berea Formation attest to very shallow water deposition and local subaerial exposure at the time of emplacement of part of the formation. Absence of thick, channel-form deposits eastward suggests loss of section during emergence.
URI: http://hdl.handle.net/1811/23236
ISSN: 0030-0950
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