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

Geologic units in Cache county, Utah

Tertiary (4) sedimentary rocks in Logan-Huntsville Allochthon (Middle Miocene to Late Pliocene) at surface, covers 8 % of this area

Lithology: mudstone; sandstone

Younger Precambrian metamorphic rocks in Salt Lake City-Coalville-Randolph region (Proterozoic Y to Proterozoic Z) at surface, covers 0.3 % of this area

Lithology: medium-grained mixed clastic

Middle Cambrian shale and carbonate rocks in Logan-Huntsville Allochthon (Middle Cambrian) at surface, covers 8 % of this area

Lithology: dolostone (dolomite); shale; limestone

Upper Cambrian carbonate rocks in Logan-Huntsville Allochthon (Middle Cambrian to Early Ordovician) at surface, covers 7 % of this area

Lithology: dolostone (dolomite); arenite; siltstone; mudstone; limestone

Devonian sedimentary rocks in Logan-Huntsville Allochthon (Devonian) at surface, covers 5 % of this area

Lithology: dolostone (dolomite); sandstone; siltstone; mudstone

Younger Precambrian metamorphic rocks in Logan-Huntsville Allochthon (Proterozoic Z) at surface, covers 0.7 % of this area

Lithology: arenite; fine-grained mixed clastic; conglomerate; basalt

Pennsylvanian and Permian sedimentary rocks in Logan-Huntsville Allochthon (Pennsylvanian to Permian) at surface, covers 3 % of this area

Lithology: sandstone; carbonate

Mississippian (2) sedimentary rocks in Logan-Huntsville Allochthon (Mississippian) at surface, covers 4 % of this area

Lithology: carbonate; sandstone; mudstone; phosphorite

Gravel, sand, and silt; Quaternary; alluvium (Quaternary) at surface, covers < 0.1 % of this area

Quaternary alluvium; may contain some glacial deposits and colluvium in uplands

Lithology: alluvium; alluvial terrace; floodplain; alluvial fan; colluvium

Pliocene basalts (Pliocene) at surface, covers < 0.1 % of this area

Lithology: basalt; rhyolite

Ordovician sedimentary rocks in Logan-Huntsville Allochthon (Ordovician) at surface, covers 7 % of this area

Lithology: limestone; arenite; dolostone (dolomite); chert; conglomerate

Arenite, carbonate, conglomerate, and shale; Late Proterozoic rifted continental margin; southeastern Idaho (Late Proterozoic) at surface, covers < 0.1 % of this area

Uppermost Younger Precambrian massive quartzite with carbonate beds of central and southeastern Idaho; overlies (Z1s).

Lithology: arenite; carbonate; conglomerate; shale

Silurian carbonate rocks in Logan-Huntsville Allochthon (Silurian) at surface, covers 4 % of this area

Lithology: dolostone (dolomite)

Quaternary alluvium and colluvium (Quaternary) at surface, covers 10 % of this area

Lithology: alluvium; colluvium

Sandstone, conglomerate, siltstone, tuff, claystone, limestone, and diatomite; Pliocene tuffaceous alluvial and lacustrine deposits; Snake River Plain and vicinity, southeastern Idaho (Pliocene ) at surface, covers < 0.1 % of this area

Pliocene stream and lake deposits; may be due to volcanic and block-faulting events.

Lithology: sandstone; conglomerate; siltstone; tuff; claystone; shale; limestone

Older Quaternary alluvial deposits (Quaternary) at surface, covers 0.8 % of this area

Lithology: alluvium

Mississippian (1) carbonate rocks in Logan-Huntsville Allochthon (Mississippian) at surface, covers 2 % of this area

Lithology: limestone

Limestone, dolostone, arenite, shale, and siltstone; Lower Paleozoic marine continental-shelf deposits; southeastern Idaho; (Early Paleozoic) at surface, covers < 0.1 % of this area

Lower Paleozoic marine carbonate and clastic units southeast of the Snake Plain.

Lithology: limestone; dolostone (dolomite); arenite; shale; siltstone

Quaternary glacial deposits (Quaternary) at surface, covers 2 % of this area

Lithology: glacial drift

Cambrian quartzite in Logan-Huntsville Allochthon (Early to Middle Cambrian) at surface, covers 4 % of this area

Lithology: arenite; conglomerate; siltstone; mudstone

Cretaceous (2) sedimentary rocks in Logan-Huntsville Allochthon (Late Cretaceous) at surface, covers < 0.1 % of this area

Lithology: sandstone; siltstone; mudstone

Tertiary (1) sedimentary rocks in Logan-Huntsville Allochthon (Late Cretaceous to Early Eocene) at surface, covers 14 % of this area

Lithology: conglomerate; medium-grained mixed clastic

Limestone, arenite, shale, dolostone, and siltstone; Upper Proterozoic to Cambrian marine continental-shelf deposits; southeastern Idaho (Cambrian) at surface, covers < 0.1 % of this area

Cambrian marine dolomite, limestone, claystone, and quartzite; grades into Precambrian.

Lithology: limestone; arenite; shale; dolostone (dolomite); siltstone

Glacial debris; Late Pleistocene till, outwash, and alluvium of valley glaciers; high mountain valleys (Late Pleistocene ) at surface, covers < 0.1 % of this area

Pleistocene upland valley deposits; commonly derived from alpine glaciation.

Lithology: till; outwash; alluvium

Clay, silt, sand, and gravel; Late Pleistocene glacial-lake sediments; Basin and Range province (Late Pleistocene) at surface, covers < 0.1 % of this area

Pleistocene glacial-lake, ponded-water, and shoreline sediments.

Lithology: glaciolacustrine; silt; sand; gravel

Quaternary Lake Bonneville deposits (Quaternary) at surface, covers 18 % of this area

Lithology: clay or mud; sand; gravel; silt

Dolostone, limestone, arenite, chert, and conglomerate; Ordovician marine continental-shelf deposits; southeastern Idaho (Ordovician) at surface, covers 0.1 % of this area

Ordovician marine dolomite, quartzite, and limestone; subdivisions are (Ou and Ol).

Lithology: dolostone (dolomite); limestone; arenite; chert; conglomerate