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

Older gravels and alluviums

Includes Slocum, Verdos, Rocky Flats, and Nussbaum Alluviums in east, and Florida, Bridgetimber, and Bayfield Gravels in southwest
StateColorado
NameOlder gravels and alluviums
Geologic agePhanerozoic | Cenozoic | Quaternary
Original map labelQgo
Primary rock typegravel
Secondary rock typealluvium
Other rock types
Lithologic constituents
Major
Unconsolidated (Alluvial)
Unconsolidated > Coarse-detrital > Gravel (Alluvial)
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 coverageAdams - Arapahoe - Archuleta - Bent - Boulder - Broomfield - Chaffee - Cheyenne - Conejos - Crowley - Custer - Delta - Denver - Douglas - Eagle - Elbert - El Paso - Fremont - Garfield - Grand - Jackson - Jefferson - Kiowa - Lake - La Plata - Larimer - Las Animas - Lincoln - Logan - Mesa - Moffat - Montezuma - Montrose - Morgan - Otero - Ouray - Park - Pitkin - Prowers - Pueblo - Rio Grande - Routt - Saguache - Teller - Weld

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