Chico Ridge Limestone of Canyon Group (TX)
FORMATION STATUS (alphabetical) --all in TX: Devils Den Limestone Member, Rock Hill Limestone Member.
Late Pennsylvanian (Missourian)
Forms the extensive upland [locally] known as Chico Ridge, south of Chico and north of Lake Bridgeport dam, Wise Co., central northern TX (Scott and Armstrong, 1932).
Fort Worth syncline
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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