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General: Lower Cretaceous strata beneath the Ogallala Formation in the northeast corner of the model area. Preserved only in an isolated synclinal zone beneath the sub-Ogallala unconformity.
Included geologic units: May include: Antlers Fm (Trinity Group); Walnut, Comanche Peak, Edwards, Kiamichi Fms (Fredricksburg Group); Duck Creek Fm (Washita Group). Cf., Fallin (1989) and Deeds et al. (2015).
Primary input data: Raster surface from Deeds et al. (2015) [resampled to fit snap raster, with no additional data processing] |