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The AAPG/Datapages Combined Publications Database
Oklahoma City Geological Society
Abstract
High-Constructive, Tidally-Influenced Deltaic Sedimentation in the Arkoma Basin: The Desmoinesian Hartshorne Sandstone
Abstract
The Hartshorne Sandstone and associated fine-grained facies of the Arkoma Basin were deposited in a high-constructive, tidally-influenced delta system which prograded longitudinally from east to west in an elongate, foreland basin during Ouachita suturing.
Prodelta facies (generally mapped as upper Atoka) comprise dark gray, unfossiliferous shales. Delta front facies deposited near the mouth of an active distributary channel include interlaminated siltstones and sandstones of distal bar origin, and ripple-bedded and trough cross-bedded sandstones of distributary-mouth-bar origin. Delta-front facies deposited in interdistributary areas comprise lenticular, wavey, and flaser bedded sandstones, silstones and shales deposited under the influence of tidal currents.
Acknowledgment is made to the Donors of The Petroleum Research Fund, administered by the American Chemical Society, for the partial support of this research. We are also grateful to the Arkansas Geological Commission, Norman F. Williams, State Geologist, for partial support of field work.
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