Skip to main content

Ordovician sedimentary rocks in Logan-Huntsville Allochthon

State Utah
Name Ordovician sedimentary rocks in Logan-Huntsville Allochthon
Geologic age Ordovician
Primary rock type limestone
Secondary rock type arenite
Other rock types dolostone (dolomite); chert; conglomerate
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Minor
Sedimentary > Clastic > Sandstone > Arenite (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Incidental
Sedimentary > Chemical > Chert (Lens)in upper part of Garden City Limestone
Sedimentary > Clastic > Conglomerate (Bed)intraformation conglomerate, breccia
Map references
Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.
Unit references
Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.
Hintze, L.F., 1988, Geologic History of Utah: Brigham Young University Geology Studies Special Publication 7, 202 p.
Dover, J.H., 1995, Geologic map of the Logan 30' x 60' quadrangle, Cache and Rich Counties, Utah, and Lincoln and Uinta Counties, Wyoming: U.S. Geological Survey Miscellaneous Investigations Series I-2210, scale 1:100,000.
Counties Box Elder - Cache - Rich - Weber