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Mineral Resources > Online Spatial Data > Geology > by state > New Mexico Geology

Geologic units in Lincoln county, New Mexico

[Additional scientific data in this geographic area]

Dakota Group (Phanerozoic | Mesozoic | Cretaceous) at surface, covers 0.9 % of this area

Dakota Group of east-central and northeast New Mexico; in ascending order, Mesa Rica Sandstone, Pajarito Shale, and Romeroville Sandstone; includes the underlying Tucumcari Shale in Tucumcari area and Glencairn Formation in Union County. Encompasses both Upper and Lower Cretaceous rocks

Lithology: sandstone; medium-grained mixed clastic

intertongued Dakota-Mancos sequence (Phanerozoic | Mesozoic | Cretaceous) at surface, covers < 0.1 % of this area

Intertongued Dakota-Mancos sequence of west-central New Mexico; includes the Whitewater Arroyo Tongue of Mancos Shale and the Twowells Tongue of the Dakota

Lithology: fine-grained mixed clastic; medium-grained mixed clastic; limestone

Ogallala Formation (Phanerozoic | Cenozoic | Tertiary) at surface, covers 1 % of this area

Ogallala Formation, alluvial and eolian deposits, and petrocalcic soils of the southern High Plains; Lower Pliocene to middle Miocene (locally includes unit Qoa)

Lithology: alluvium; eolian; carbonate

silicic flows and massess and associated pyroclastic rocks (Phanerozoic | Cenozoic | Tertiary) at surface, covers 3 % of this area

Upper Oligocene silicic (or felsic) flows and masses and associated pyroclastic rocks; includes Taylor Creek, Fanney, and Rocky Canyon Rhyolites

Lithology: felsic volcanic rock; pyroclastic; rhyolite

Moenkopi Formation (Phanerozoic | Mesozoic | Triassic) at surface, covers < 0.1 % of this area

Moenkopi Formation; Middle Triassic

Lithology: sandstone; mudstone; conglomerate

intrusive rocks (Phanerozoic | Cenozoic | Tertiary) at surface, covers 3 % of this area

Tertiary intrusive rocks; undifferentiated

Lithology: plutonic rock (phaneritic)

Missippian through Cambrian rocks, undivided (Phanerozoic | Paleozoic | Cambrian Ordovician(?) Silurian(?) Devonian(?) Carboniferous Mississippian) at surface, covers < 0.1 % of this area

Mississippian through Cambrian rocks, undivided; includes Lake Valley Limestone; Mississippian; Devonian rocks, undivided; El Paso Formation and Montoya Group (or Formation); Ordovician; and Bliss Sandstone; Cambrian and Ordovician

Lithology: carbonate; clastic

San Andres Formation (Phanerozoic | Paleozoic | Permian) at surface, covers 54 % 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

silicic to intermediate intrusive rocks (Phanerozoic | Cenozoic | Tertiary) at surface, covers 0.6 % of this area

Miocene to Oligocene silicic to intermediate intrusive rocks; dikes, stocks, plugs, and diatremes

Lithology: plutonic rock (phaneritic)

piedmont alluvial deposits (Phanerozoic | Cenozoic | Quaternary) at surface, covers 2 % of this area

Piedmont alluvial deposits: upper and middle Quaternary; includes deposits of higher gradient tributaries bordering major stream valleys, alluvial veneers of the piedmont slope, and alluvial fans

Lithology: alluvium

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

Bursum Formation; shale, arkose, and limestone; earliest Permian

Lithology: shale; sandstone; conglomerate; limestone

basalt and andesite flows and vent deposits (Phanerozoic | Cenozoic | Quaternary) at surface, covers 2 % of this area

Basalt and andesite flows and locally vent deposits

Lithology: andesite; basalt

Yeso, Glorieta, and San Andres Formations, undivided (Phanerozoic | Paleozoic | Permian) at surface, covers < 0.1 % of this area

Yeso, Glorieta and San Andres Formations, undivided

Lithology: sandstone; carbonate; fine-grained mixed clastic; evaporite

Artesia Group (Phanerozoic | Paleozoic | Permian) at surface, covers 2 % of this area

Artesia Group; shelf facies forming broad south-southeast trending outcrop from Glorieta to Artesia area; includes Grayburg, Queen, Seven Rivers, Yates, and Tansill Formations; Guadalupian. May locally include Moenkopi Formation (Triassic) at top

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

alluvium (Phanerozoic | Cenozoic | Quaternary) at surface, covers 12 % of this area

Alluvium; upper and middle Quaternary

Lithology: alluvium

plutonic rocks, middle Proterozoic (Proterozoic | Mesoproterozoic) at surface, covers < 0.1 % of this area

Middle Proterozoic plutonic rocks (younger than 1600 Ma)

Lithology: plutonic rock (phaneritic)

sedimentary units, Palogene (Phanerozoic | Cenozoic | Tertiary) at surface, covers 0.6 % of this area

Paleogene sedimentary units; includes Baca, Galisteo, El Rito, Blanco Basin, Love Ranch, Lobo, Sanders Canyon, Skunk Ranch, Timberlake, and Cub Mountain Formations

Lithology: medium-grained mixed clastic; tuff; limestone; sand; clay or mud

Santa Fe Group (Phanerozoic | Cenozoic | Tertiary Quaternary) at surface, covers 0.3 % of this area

Santa Fe Group, undivided. Basin fill of Rio Grande rift region; middle Pleistocene to uppermost Oligocene

Lithology: clastic; carbonate; lava flow; andesite

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

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

Lithology: sandstone; limestone; mudstone; evaporite

Pennsylvanian rocks, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian) at surface, covers 0.7 % of this area

Pennsylvanian rocks, undivided; in Sangre de Cristo Mountains may include Sandia Formation, Madera Limestone, La Pasada, Alamitos, and Flechado Formations; elsewhere may include Bar-B, Nakaye, Red House, Oswaldo, and Syrena Formations

Lithology: sedimentary rock; medium-grained mixed clastic; carbonate

older alluvial deposits of upland plains and piedmont areas (Phanerozoic | Cenozoic | Quaternary) at surface, covers < 0.1 % of this area

Older alluvial deposits of upland plains and piedmont areas, and calcic soils and eolian cover sediments of High Plains region; includes scattered lacustrine, playa, and alluvial deposits of the Tahoka, Double Tanks, Tule, Blanco, Blackwater Draw, and Gatuna Formations, the latter of which may be Pliocene at base; outcrops, however, are basically of Quaternary deposits; upper Quaternary to uppermost Pliocene(?)

Lithology: alluvium

Glorieta Sandstone (Phanerozoic | Paleozoic | Permian) at surface, covers 4 % of this area

Glorieta Sandstone; texturally and mineralogically mature, high-silica quartz sandstone

Lithology: sandstone

San Andres Limestone and Glorieta Sandstone (Phanerozoic | Paleozoic | Permian) at surface, covers 1 % of this area

San Andres Limestone and Glorieta Sandstone; Guadalupian and Leonardian

Lithology: fine-grained mixed clastic; carbonate; evaporite

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

Eolian deposits

Lithology: eolian

Chinle Group (Phanerozoic | Mesozoic | Triassic) at surface, covers 3 % of this area

Chinle Group; Upper Triassic; includes Moenkopi Formation (Middle Triassic) at base in many areas; in eastern part of state the following five formations are mapped:

Lithology: medium-grained mixed clastic; fine-grained mixed clastic; limestone; chert; evaporite

Mancos Shale (Phanerozoic | Mesozoic | Cretaceous) at surface, covers 2 % of this area

Mancos Shale; divided into Upper and Lower parts by Gallup Sandstone

Lithology: shale; fine-grained mixed clastic

Mesaverde Group (Phanerozoic | Mesozoic | Cretaceous) at surface, covers 2 % of this area

Mesaverde Group includes the Gallup Sandstone, Crevasse Canyon Formation, Point Lookout Sandstone, Menefee Formation, and Cliff House Sandstone

Lithology: sandstone; fine-grained mixed clastic; conglomerate; coal

Abo Formation (Phanerozoic | Paleozoic | Permian) at surface, covers 0.2 % of this area

Abo Formation; red beds, arkosic at base, finer and more mature above; Wolfcampian; may include limestone beds of Pennsylvanian age (Virgilian) in Zuni Mountains. In Robledo Mountains the Abo may be considered a member of the Hueco Formation

Lithology: sandstone; shale; conglomerate; limestone