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Iron Mountain, Iron Mountain complex, Fremont Co., Colorado, USA

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Latitude & Longitude (WGS84): 38° 21' 25'' North , 105° 25' 39'' West
Latitude & Longitude (decimal): 38.35699,-105.42755
Köppen climate type:BSk : Cold semi-arid (steppe) climate


On the north side of Pine Gulch, a tributary of Grape Creek, 10 1/2 mi southwest of Canon City (T. 19-20 S., R. 72 W.). The area is reached from the Copper Gulch road between Royal Gorge (Parkdale) and Westcliffe. ("Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997)

Rocks consist of olivine gabbro, anorthosite, pyroxenite, and dunites.


Mineral List


17 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cambrian
485.4 - 541 Ma



ID: 2892955
Intrusive rocks

Age: Cambrian (485.4 - 541 Ma)

Description: Alkalic and mafic intrusive rocks in small plutons, and diabase dikes

Lithology: Major:{hypabyssal mafic alkaline,diorite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Paleoproterozoic
1600 - 2500 Ma



ID: 3186950
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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