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

Rocks of Pikes Peak Batholith (1000-m.y. age group)

Includes Pikes Peak, Mount Rosa, Windy Point, and Redskin Granites and unnamed rocks
StateColorado
NameRocks of Pikes Peak Batholith (1000-m.y. age group)
Geologic ageProterozoic | Mesoproterozoic
Original map labelYp
Primary rock typegranite
Secondary rock typegranodiorite
Other rock typesquartz monzonite
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Alkali-feldspar-granite
Igneous > Plutonic > Granitic > Granite
Minor
Igneous > Plutonic > Syenitic > Quartz-monzonite
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 coverageClear Creek - Douglas - El Paso - Jefferson - Park - Teller

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