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

Geologic units in Weber county, Utah

Quaternary glacial deposits (Quaternary) at surface, covers 0.6 % of this area

Lithology: glacial drift

Older Quaternary alluvial deposits (Quaternary) at surface, covers 0.7 % of this area

Lithology: alluvium

Mississippian (1) carbonate rocks in Logan-Huntsville Allochthon (Mississippian) at surface, covers 0.8 % of this area

Lithology: limestone

Cambrian quartzite in Salt Lake City-Coalville-Randolph region (Early to Middle Cambrian) at surface, covers 1 % of this area

Lithology: arenite; conglomerate

Pliocene and Quaternary alluvial material (Pliocene to Quaternary) at surface, covers 0.5 % of this area

Lithology: alluvium

Quaternary Lake Bonneville deposits (Quaternary) at surface, covers 6 % of this area

Lithology: clay or mud; sand; gravel; silt

Upper Cambrian carbonate rocks in Salt Lake City-Coalville-Randolph region (Middle Cambrian to Early Ordovician) at surface, covers 0.6 % of this area

Lithology: dolostone (dolomite); sandstone

Oligocene volcanic rocks (Late Eocene to Oligocene) at surface, covers 2 % of this area

Lithology: dacite; rhyolite; andesite; basalt

Older Precambrian metamorphic rocks in Logan-Huntsville Allochthon (Proterozoic X) at surface, covers 0.1 % of this area

Lithology: quartzite; schist; marble; amphibolite

Tertiary (1) sedimentary rocks in Logan-Huntsville Allochthon (Late Cretaceous to Early Eocene) at surface, covers 19 % of this area

Lithology: conglomerate; medium-grained mixed clastic

Mississippian (2) sedimentary rocks in Salt Lake City-Coalville-Randolph region (Mississippian) at surface, covers 0.6 % of this area

Lithology: carbonate; sandstone; chert; phosphorite

Quaternary mud and salt flats (Holocene) at surface, covers 6 % of this area

Lithology: mud flat; playa

Cambrian quartzite in Logan-Huntsville Allochthon (Early to Middle Cambrian) at surface, covers 3 % 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

Younger Precambrian metamorphic rocks in Logan-Huntsville Allochthon (Proterozoic Z) at surface, covers 0.9 % 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 0.2 % of this area

Lithology: sandstone; carbonate

Cretaceous (3) sedimentary rocks in Salt Lake City-Coalville-Randolph region (Late Cretaceous) at surface, covers < 0.1 % of this area

Lithology: conglomerate; sandstone; siltstone; mudstone

Quaternary landslides (Quaternary) at surface, covers < 0.1 % of this area

Lithology: landslide

Devonian sedimentary rocks in Salt Lake City-Coalville-Randolph region (Devonian) at surface, covers 0.2 % of this area

Lithology: dolostone (dolomite); sandstone

Mississippian (1) carbonate rocks in Salt Lake City-Coalville-Randolph region (Mississippian) at surface, covers 0.3 % of this area

Lithology: limestone

Quaternary marshes (Holocene) at surface, covers 6 % of this area

Lithology: biogenic sediment

Upper Cambrian carbonate rocks in Logan-Huntsville Allochthon (Middle Cambrian to Early Ordovician) at surface, covers 0.7 % of this area

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

Devonian sedimentary rocks in Logan-Huntsville Allochthon (Devonian) at surface, covers 0.8 % of this area

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

Tertiary (4) sedimentary rocks in Logan-Huntsville Allochthon (Middle Miocene to Late Pliocene) at surface, covers 0.3 % 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 6 % of this area

Lithology: medium-grained mixed clastic

Middle Cambrian shale and carbonate rocks in Logan-Huntsville Allochthon (Middle Cambrian) at surface, covers 1 % of this area

Lithology: dolostone (dolomite); shale; limestone

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

Lithology: limestone; shale; phosphorite; chert; dolostone (dolomite)

Silurian carbonate rocks in Logan-Huntsville Allochthon (Silurian) at surface, covers 0.6 % of this area

Lithology: dolostone (dolomite)

Triassic and Jurassic sedimentary rocks in Salt Lake City-Coalville-Randolph region (Early Jurassic) at surface, covers < 0.1 % of this area

Lithology: sandstone

Quaternary alluvium and colluvium (Quaternary) at surface, covers 25 % of this area

Lithology: alluvium; colluvium

Tertiary (1) sedimentary rocks in Salt Lake City-Coalville-Randolph region (Late Paleocene to Early Eocene) at surface, covers < 0.1 % of this area

Lithology: mudstone; conglomerate; limestone

Pennsylvanian sedimentary rocks in Salt Lake City-Coalville-Randolph region (Pennsylvanian) at surface, covers 0.2 % of this area

Lithology: limestone; medium-grained mixed clastic; chert

Ordovician sedimentary rocks in Logan-Huntsville Allochthon (Ordovician) at surface, covers 0.5 % of this area

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

Older Precambrian metamorphic rocks in Salt Lake City-Coalville-Randolph region (Archean) at surface, covers 2 % of this area

Lithology: metamorphic rock; plutonic rock (phaneritic)

Middle Cambrian shale and carbonate rocks in Salt Lake City-Coalville-Randolph region (Middle Cambrian) at surface, covers 2 % of this area

Lithology: carbonate; shale; sandstone

Tertiary intrusive rocks in Salt Lake City-Coalville-Randolph region (Late Eocene to Oligocene) at surface, covers < 0.1 % of this area

Lithology: granodiorite; quartz monzonite; granite; diorite

Mississippian (2) sedimentary rocks in Logan-Huntsville Allochthon (Mississippian) at surface, covers 0.2 % of this area

Lithology: carbonate; sandstone; mudstone; phosphorite