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

White River Fm or Group

East: Ashy claystone and sandstone. Includes Castle Rock Conglomerate in region southeast of Denver. Northwest: Ashy claystone in North Park
StateColorado
NameWhite River Fm or Group
Geologic agePhanerozoic | Cenozoic | Tertiary
Original map labelTwr
Primary rock typesandstone
Secondary rock typeclaystone
Other rock typesconglomerate
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomerate
Map references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Unit references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Geographic coverageArapahoe - Douglas - Elbert - El Paso - Jackson - Larimer - Logan - Morgan - Sedgwick - Washington - Weld

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