Analysis of sedimentary facies and petrofacies of lower Morrowan-upper Chesterian sandstones, Anadarko Basin, Oklahoma

C. William Keighin; Romeo M. Flores

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USGS · 70044340

Analysis of sedimentary facies and petrofacies of lower Morrowan-upper Chesterian sandstones, Anadarko Basin, Oklahoma

C. William Keighin·Romeo M. Flores

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Abstract

Three major lithofacies have been identified within the Morrow (Pennsylvanian) and Springer (Pennsylvanian-Mississippian) units, in core from 30 drill holes ranging from the Oklahoma Panhandle to the southwestern portion of the Anadarko basin. The study included inspection of ~6,500 ft of core, examination of ~100 thin sections, and a scanning-electron-microscope study of butts of the material used for thin-section preparation. The lithofacies identified are (1) fluvial-influenced coastal, which includes the deltaic facies described by Swanson (1979), (2) tidal-influenced nearshore, and (3) mixed, which shows mixed tidal and nontidal marine influence. Our interpretation is supported by the investigations of Moore (1979), Haiduk (1987), and Swanson (1979). The fluvial-influenced coastal facies is restricted to the northwestern (Panhandle) portion of the Anadarko basin.

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Source-reported bounding extent: 33.62° to 37° latitude; -103° to -94.43° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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C. William Keighin, Romeo M. Flores. 1989. Analysis of sedimentary facies and petrofacies of lower Morrowan-upper Chesterian sandstones, Anadarko Basin, Oklahoma. https://pubs.usgs.gov/publication/70044340

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