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Geologic units in Jack county, Texas

Home Creek Limestone and Colony Creek Shale, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 30 % of this area

Home Creek Limestone and Colony Creek Shale, undivided

Lithology: shale; limestone; sandstone

Ranger Limestone and Placid Creek Shale, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 13 % of this area

Ranger Limestone and Placid Creek Shale, undivided

Lithology: shale; limestone

Twin Mountains Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 11 % of this area

Twin Mountains Formation

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 10 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Ranger Limestone (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 9 % of this area

Ranger Limestone

Lithology: limestone; shale

Jasper Creek Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Missouri]) at surface, covers 6 % of this area

Jasper Creek Formation

Winchell Limestone (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 5 % of this area

Winchell Limestone

Lithology: limestone; shale

Markley Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian Permian) at surface, covers 4 % of this area

Markley Formation

Thrifty and Graham Formations, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Virgil]) at surface, covers 3 % of this area

Thrifty and Graham Formations, undivided

Paluxy Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 3 % of this area

Paluxy Sand

Lithology: sand; sandstone; limestone

Chico Ridge Limestone (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 2 % of this area

Chico Ridge Limestone

Lithology: limestone

Palo Pinto Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 2 % of this area

Palo Pinto Formation

Lithology: sandstone; shale; limestone

Wolf Mountain Shale (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 0.2 % of this area

Wolf Mountain Shale

Lithology: shale; sandstone; limestone

Glen Rose Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.1 % of this area

Glen Rose Limestone

Antlers Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers < 0.1 % of this area

Antlers Sand

Ventioner Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers < 0.1 % of this area

Ventioner Formation