Geologic Unit: Hill Creek

Usage:

Hill Creek Shale Member of Lazy Bend Formation of Strawn Group (TX)
Hill Creek Shale Member of Millsap Lake Formation (TX)

Geologic age:

Pennsylvanian, Middle

Type section, locality, area and/or origin of name:

Type section: measured across the strike south of Brazos River, Parker Co., north-central TX. Outcrop of beds extends to Cretaceous on either side of Hill Creek. Named from Hill Creek, a small tributary flowing from southwest into Brazos River at point about midway of outer curve of Lazy Bend of river (Hendricks, 1957).

AAPG geologic province:

Fort Worth syncline