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Mineral Resources > Online Spatial Data > Geology > by state > Texas Geology

Geologic units in Hudspeth county, Texas

Allamore Formation (preCambrian-Proterozoic [Grenville]) at surface, covers 0.4 % of this area

Allamore Formation

Lithology: limestone; conglomerate; phyllite; tuff; lava flow; volcanic rock (aphanitic)

Van Horn Sandstone (preCambrian-Proterozoic [Grenville]) at surface, covers 0.1 % of this area

Van Horn Sandstone

Lithology: sandstone; arkose; conglomerate

Cutoff Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 1.0 % of this area

Cutoff Formation

Lithology: shale; siltstone; sandstone; limestone

Mingus Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Des Moines]) at surface, covers 0.1 % of this area

Mingus Formation

Lithology: shale; sandstone; limestone; coal

alluvial fan deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 7 % of this area

alluvial fan deposits

Lithology: alluvial fan

Helms Shale, Rancheria Formation, Las Cruces Limestone, Percha Shale, and Canutillo Formations, undivided (Phanerozoic | Paleozoic | Devonian Carboniferous Mississippian-Late [Chesteran]) at surface, covers < 0.1 % of this area

Helms Shale, Rancheria Formation, Las Cruces Limestone, Percha Shale, and Canutillo Formations, undivided

Lithology: limestone; shale; chert; sandstone

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

Boracho Limestone

Lithology: limestone

land slide deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 0.1 % of this area

land slide deposits

Lithology: landslide

Rhyolite (preCambrian-Proterozoic [Grenville]) at surface, covers < 0.1 % of this area

Rhyolite

Lithology: rhyolite; porphyry

Benevides Formation (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers < 0.1 % of this area

Benevides Formation

Lithology: sandstone

Tarantula Gravel (Phanerozoic | Cenozoic | Tertiary | Miocene) at surface, covers < 0.1 % of this area

Tarantula Gravel

Lithology: gravel; tuff; trachyte; basalt; ignimbrite; quartzite; limestone

Eocene intrusive rocks (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers < 0.1 % of this area

Eocene intrusive rocks

Lithology: basalt; trachyte; felsic volcanic rock; rhyolite; phonolite; latite; trachyandesite

Campagrande Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 2 % of this area

Campagrande Formation

Lithology: limestone; mudstone; sandstone; siltstone

Montoya Dolomite (Phanerozoic | Paleozoic | Ordovician-Middle Ordovician-Late) at surface, covers 0.1 % of this area

Montoya Dolomite

Lithology: dolostone (dolomite); limestone; sandstone

Fusselman Dolomite (Phanerozoic | Paleozoic | Silurian) at surface, covers 0.3 % of this area

Fusselman Dolomite

Lithology: dolostone (dolomite); limestone

intrusive rocks (Phanerozoic | Cenozoic | Tertiary) at surface, covers < 0.1 % of this area

Tertiary intrusive rocks; undifferentiated

Lithology: plutonic rock (phaneritic)

alkali flat deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 1 % of this area

alkali flat deposits

Lithology: playa; evaporite; clay or mud; sand; dolostone (dolomite)

Oligocene intrusive rocks (Phanerozoic | Cenozoic | Tertiary | Oligocene) at surface, covers 1.0 % of this area

Oligocene intrusive rocks

Lithology: basalt; trachyte; felsic volcanic rock; rhyolite; phonolite; latite; trachyandesite

San Andres Formation (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

San Andres Formation; limestone and dolomite with minor shale; Guadalupian in south, in part Leonardian to north

Lithology: carbonate; fine-grained mixed clastic; evaporite

Victoria Peak Limestone (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

Victorio Peak Limestone; in Brokeoff Mountains only

Lithology: limestone

Ojinaga Formation (Phanerozoic | Mesozoic | Cretaceous-Late) at surface, covers 0.2 % of this area

Ojinaga Formation

Lithology: shale; sandstone; limestone

Espy Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.3 % of this area

Espy Formation

Lithology: limestone; shale; sandstone

older alluvial deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 6 % of this area

older alluvial deposits

Lithology: gravel; sand; silt

Hueco Limestone (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 9 % of this area

Hueco Limestone

Lithology: limestone; dolostone (dolomite); sandstone; shale; mudstone; conglomerate

Victorio Peak Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 7 % of this area

Victorio Peak Formation

Lithology: limestone; dolostone (dolomite); fine-grained mixed clastic

Bone Spring Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 0.3 % of this area

Bone Spring Formation

Lithology: limestone; dolostone (dolomite); sandstone

Eagle Mountains caldera volcanic rocks (Phanerozoic | Cenozoic | Tertiary | Oligocene) at surface, covers 1 % of this area

Eagle Mountains caldera volcanic rocks

Lithology: rhyolite; trachyte; conglomerate; tuff; volcanic breccia (agglomerate)

Cherry Canyon Formation (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

Cherry Canyon Formation; basin facies-sandstone, limestone, and shale

Lithology: sandstone; limestone; shale

Grayburg and Queen Fromations (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

Grayburg and Queen Formations; sandstone, gypsum, anhydrite, dolomite, and red mudstone; Guadalupian

Lithology: carbonate; sandstone; evaporite; shale; bentonite; mudstone

Cutoff Shale (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

Cutoff Shale; in Brokeoff Mountains only

Lithology: shale

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

Buda Limestone

Lithology: limestone

sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 6 % of this area

sand sheet deposits

Lithology: sand; silt

Briggs Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers < 0.1 % of this area

Briggs Formation

Lithology: evaporite; dolostone (dolomite)

bolson deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 4 % of this area

bolson deposits

Lithology: clay or mud; silt; sand; evaporite

Bluff Mesa Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 1.0 % of this area

Bluff Mesa Formation

Lithology: limestone; sandstone; shale

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

Etholen Conglomerate

Lithology: conglomerate; shale; limestone

Comanchean rocks, undivided (Phanerozoic | Mesozoic | Cretaceous-Early [Washita]) at surface, covers 0.2 % of this area

Comanchean rocks, undivided

Lithology: limestone; shale; mudstone; clay or mud

Wilke Ranch Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 2 % of this area

Wilke Ranch Formation

Lithology: mudstone; limestone; conglomerate; chert

Carrizo Mountain Group showing metaigneous rocks (preCambrian-Proterozoic) at surface, covers 0.2 % of this area

Carrizo Mountain Group showing metaigneous rocks

Lithology: granodiorite; amphibolite; metarhyolite; pegmatite

dune sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 1 % of this area

dune sand sheet deposits

Lithology: sand; silt

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 27 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Quaternary-Tertiary bolson deposits (Phanerozoic | Cenozoic | Tertiary Quaternary | Pliocene Pleistocene) at surface, covers 6 % of this area

Quaternary-Tertiary bolson deposits

Lithology: clay or mud; silt; sandstone; conglomerate

Carrizo Mountain Group showing metasedimentary rocks (preCambrian-Proterozoic) at surface, covers 0.3 % of this area

Carrizo Mountain Group showing metasedimentary rocks

Lithology: phyllite; mica schist; chert; slate; limestone; quartzite; amphibolite

Finlay Limestone (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean Albian]) at surface, covers 7 % of this area

Finlay Limestone

Lithology: limestone; siltstone; sandstone

Quitman Mountains caldera volcanic rocks and volcanic rocks of sneed (Cox) Mountain and west of Victorio Peak (Phanerozoic | Cenozoic | Tertiary | Oligocene) at surface, covers 0.2 % of this area

Quitman Mountains caldera volcanic rocks and volcanic rocks of sneed (Cox) Mountain and west of Victoria Peak

Lithology: trachyte; rhyolite; felsic volcanic rock; basalt

Yesa Formation (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

Yeso Formation; sandstones, siltstones, anhydrite, gypsum, halite, and dolomite; Leonardian

Lithology: sandstone; limestone; mudstone; evaporite

Loma Plata Formation (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 0.2 % of this area

Loma Plata Formation

Lithology: limestone; shale

Lower Cretaceous, unidivided (Phanerozoic | Mesozoic | Cretaceous) at surface, covers < 0.1 % of this area

Lower Cretaceous, undivided; in northern Lea and Roosevelt Counties includes equivalents of Tucumcari Shale. In Cornudas Mountains includes Campogrande, Cox and other Washita Group formations, and the Boquillas Formation; Cenomanian. In the southwest includes Hell-To-Finish, U-Bar, and Mojado Formations which are equivalent to Bisbee Group of Arizona

Lithology: clastic; mixed clastic/carbonate

Buda Limestone and Eagle Mountain Sandstone, undivided (Phanerozoic | Mesozoic | Cretaceous-Late) at surface, covers 0.1 % of this area

Buda Limestone and Eagle Mountain Sandstone, undivided

Lithology: limestone; sandstone; shale; mudstone

Capitan Formation (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 0.1 % of this area

Capitan Formation

Lithology: limestone; dolostone (dolomite)

Hazel Formation (preCambrian-Proterozoic [Grenville]) at surface, covers 0.8 % of this area

Hazel Formation

Lithology: sandstone; conglomerate; arkose; limestone

Benevides Formation and Finlay Limestone, undivided (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 0.5 % of this area

Benevides Formation and Finlay Limestone, undivided

Lithology: limestone; sandstone; shale

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

Torcer Formation

Lithology: limestone; shale; mudstone; clay or mud

Goat Seep Formation (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 0.2 % of this area

Goat Seep Formation

Lithology: limestone ; sandstone

Carlsbad Group (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers < 0.1 % of this area

Carlsbad Group

Lithology: limestone; sandstone

Cretaceous rocks, undivided (Phanerozoic | Mesozoic | Cretaceous-Late) at surface, covers 0.8 % of this area

Cretaceous rocks, undivided

Lithology: limestone; shale; sandstone; mudstone

Buda Limestone and Del Rio Clay, undivided (Phanerozoic | Mesozoic | Cretaceous-Late) at surface, covers < 0.1 % of this area

Buda Limestone and Del Rio Clay, undivided

Lithology: limestone; mudstone; clay or mud; siltstone; shale

Granite (preCambrian-Proterozoic [Grenville]) at surface, covers < 0.1 % of this area

Granite

Lithology: granite

Yucca Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 2 % of this area

Yucca Formation

Lithology: conglomerate; sandstone; siltstone

Cox Sandstone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 2 % of this area

Cox Sandstone

Lithology: mixed clastic/carbonate; limestone

alluvium (Phanerozoic | Cenozoic | Quaternary) at surface, covers < 0.1 % of this area

Alluvium; upper and middle Quaternary

Lithology: alluvium

Malone Formation (Phanerozoic | Mesozoic | Jurassic-Late) at surface, covers 0.1 % of this area

Malone Formation

Lithology: limestone; shale; siltstone; evaporite; sandstone; conglomerate

El Paso Formation and Bliss Sandstone, undivided (Phanerozoic | Paleozoic| Cambrian-Furongian(?) Ordovician-Early) at surface, covers 0.4 % of this area

El Paso Formation and Bliss Sandstone, undivided

Lithology: limestone; dolostone (dolomite); sandstone; conglomerate