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Geologic units in Jack county, Texas

Ranger Limestone and Placid Creek Shale, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 5 % of this area
Ranger Limestone and Placid Creek Shale, undivided
Lithology: shale; limestone
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 4 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel
Markley Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian Permian) at surface, covers 19 % of this area
Markley Formation
Lithology: sandstone; mudstone; conglomerate; coal; limestone
Antlers Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.6 % of this area
Antlers Sand
Lithology: sand; clay or mud; conglomerate; sandstone; claystone
Ventioner Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 7 % of this area
Ventioner Formation
Lithology: fine-grained mixed clastic; medium-grained mixed clastic; limestone
Home Creek Limestone and Colony Creek Shale, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 11 % of this area
Home Creek Limestone and Colony Creek Shale, undivided
Lithology: shale; limestone; sandstone
Thrifty and Graham Formations, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Virgil]) at surface, covers 37 % of this area
Thrifty and Graham Formations, undivided
Lithology: shale; sandstone; limestone; mudstone; conglomerate
Ranger Limestone (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 3 % of this area
Ranger Limestone
Lithology: limestone; shale
Glen Rose Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.8 % of this area
Glen Rose Limestone
Lithology: limestone; clay or mud; sandstone; conglomerate
Twin Mountains Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 4 % of this area
Twin Mountains Formation
Lithology: sandstone; claystone; conglomerate
Chico Ridge Limestone (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 0.8 % of this area
Chico Ridge Limestone
Lithology: limestone
Palo Pinto Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 0.7 % of this area
Palo Pinto Formation
Lithology: sandstone; shale; limestone
Paluxy Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.9 % of this area
Paluxy Sand
Lithology: sand; sandstone; limestone
Winchell Limestone (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 2 % of this area
Winchell Limestone
Lithology: limestone; shale
Wolf Mountain Shale (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 3 % of this area
Wolf Mountain Shale
Lithology: shale; sandstone; limestone
Jasper Creek Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Missouri]) at surface, covers 2 % of this area
Jasper Creek Formation
Lithology: fine-grained mixed clastic

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