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Geologic units containing Lava flow

Lava flow
A solidified body of rock that is formed by the lateral, surficial outpouring of molten lava from a vent or a fissure.
Subtopics:
Bimodal suite

Idaho - Michigan - Montana - New Mexico - Nevada - New York - Oregon - Texas - Vermont - Washington - Wyoming

Idaho

Basalt and gravel; Late Pleistocene basalt flows and interlayered gravel of subunit 2b; Snake River Plain (Late Pleistocene)
Upper Pleistocene Snake Plain basaltic lava flows, unit 2.
Basalt and silt; Late Pleistocene basalt flows and interlayered lacustrine silt beds of subunit 1b; Snake River Plain (Late Pleistocene)
Upper Pleistocene Snake Plain basaltic lava flows, unit 1.
Basalt, clay, and gravel; Late Pleistocene basalt flows with interlayered alluvial and lacustrine sediments; Snake River Plain and vicinity (subunits are Qpu1b, Qpu2b, Qpu3b, and Qpu4b) (Late Pleistocene)
Upper Pleistocene Snake Plain lava flows; local stratigraphic position shown by (Qpu4b, Qpu3b, Qpu2b, Qpu1b).
Basalt, clay, and pumice; Late Pleistocene basalt flows, volcaniclastic debris, and ponded sediments of subunit 4b; Snake River Plain; (Late Pleistocene)
Upper Pleistocene Snake Plain basaltic lava flows, unit 4.
Basalt flows and incidental andesite, and latite flows; Miocene mafic to intermediate volcanics; subunits are Tmib, Tm1b, Tm2b, Tm3b; Columbia Plateau, Owyhee Plateau (Miocene)
Miocene plateau basalt flows of western Idaho; subdivisions are (Tm3b, Tm2b, Tm1b).
Basalt flows, basaltic pyroclastic and clastic debris; Middle Pleistocene canyon-filling and plateau lava flows, pyroclastic debris, alluvium, and colluvium; Snake River Plain (Middle Pleistocene)
Middle Pleistocene plateau and canyon-filling basalt in and near Snake Plain.
Basalt flows, pumice, and tuff; Early Pleistocene to Pliocene basaltic volcanics; Snake River Plain (Early Pleistocene)
Lower Pleistocene to Pliocene basalts with associated tuffs and volcanic detritus.
Basalt flows, pyroclastic debris, clastic sediments, and diatomite; Pliocene basaltic volcanics and clastic sediments; Snake River Plain and vicinity (Pliocene)
Pliocene olivine basalt flows and associated tuff and detritus of southern Idaho.
Basalt, gravel, and pumice; Late Pleistocene basaltic volcanics and interlayered sedimetnsof subunit 3b; Snake River Plain (Late Pleistocene)
Upper Pleistocene Snake Plain basaltic lava flows, unit 3.
Basalt lava flows; Early Miocene valley-filling basalt flows of subunit 1b; Columbia Plateau (Miocene)
Miocene basalt flows of western Idaho; commonly porphyritic and exposed on lower slopes.
Basalt lava flows; Middle Miocene flood-basalt flows of subunit 2b; Columbia Plateau (Miocene)
Miocene basalt flows of western Idaho; commonly finely crystalline and exposed on upper slopes.
Basalt lava flows; Middle to Late Miocene local basalt flows of subunit 3b; Columbia Plateau (Late Miocene)
Upper Miocene valley-filling basalt flows of western Idaho.
Basalt, pumice; Holocene basaltic lava flows and cinder cones; Snake River Plain and vicinity (Holocene)
Recent, relatively unweathered Snake Plain basalt flows and cinder cones.
Dacite to rhyolite (or rhodacite) ignimbrites; Eocene rhyodacitic cauldron complex; east-central Idaho, central Challis volcanic field (Eocene)
Eocene mixed silicic and basaltic volcanic ejecta, flows and reworked debris.
Rhyolite, andesite, dacite, quartz latite; Oligocene to Eocene volcanics; northern Idaho; (Paleogene, possibly Oligocene)
Lower Tertiary, possibly Oligocene, flows and tuffs of northern Idaho.
Rhyolite flows and ignimbrites; Late Pleistocene felsic volcanics of subunit 3f; Yellowstone Plateau (Late Pleistocene)
Upper Pleistocene silicic volcanic unit 3 in eastern Idaho.
Rhyolite flows and ignimbrites; Late Pleistocene felsic volcanics; Yellowstone Plateau (subunits are Qpu1f and Qpu2f) (Late Pleistocene)
Upper Pleistocene silicic volcanic units; in eastern Idaho subdivisions are (Qpu3f, Qpu2f, Qpu1f)
Rhyolite flows; Late Pleistocene rhyolite lava flows of subunit 1f; Yellowstone Plateau (Late Pleistocene)
Upper Pleistocene silicic volcanic unit 1 in eastern Idaho.
Rhyolite flows; Middle Pleistocene felsic volcanics of subunit 1f; eastern Snake River Plain and Yellowstone Plateau (Middle Pleistocene)
Middle Pleistocene silicic volcanic unit 1 in eastern Idaho.
Rhyolite ignimbrites, basalt flows, andesitic flows and tuffs, mudstone, conglomerate, and limestone; Quaternary to Tertiary volcanics and sediments; east-central Idaho (Pliocene)
Pliocene silicic welded tuff, ash, and flow rock; most common in southwestern Idaho.
Rhyolite ignimbrites, latite and basalt lava flows, late Eocene rhyolitic ignimbrite cauldron complex; east-central Idaho, northern Challis volcanic field (Eocene)
Eocene mixed silicic and basaltic volcanic ejecta, flows and reworked debris.
Rhyolite ot trachyte ignimbrites and flows; Pliocene felsic volcanics; eastern Snake River Plain and vicinity (Pliocene)
Pliocene silicic welded tuff, ash, and flow rock; most common in southwestern Idaho.
Rhyolite, quartz latite, and latite ignimbrites and flows; Miocene felsic volcanics; Owyhee Plateau; (Miocene)
Miocene silicic flows, tuffs; most common in southwestern Idaho.
Rhyolitic domes, flows, pyroclastic debris, and basalt flows; Early Pleistocene subvolcanic to volcanic features; eastern Snake River Plain (Early Pleistocene)
Lower Pleistocene to Pliocene silicic volcanic units near the Snake Plain.
Shale, arenite, conglomerate, intermediate and felsic volcanic rocks; Late Proterozoic rifted continental margin; southeastern Idaho (Late Proterozoic)
Younger Precambrian volcanic and diamictic units of central and southeastern Idaho.
Trachyandesite, latite, trachybasalt flows, dikes, and volcaniclastic debris; Eocene intermediate volcanics; central Idaho, southern Challis volcanic field (Eocene)
Eocene mixed silicic and basaltic volcanic ejecta, flows and reworked debris.

Michigan

Montana

New Mexico

Nevada

New York

Oregon

Texas

Vermont

Washington

Wyoming