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Lookout No. 22 claim, Marshall Pass District, Saguache Co., Colorado, USA

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Latitude & Longitude (WGS84): 38° 23' 40'' North , 106° 17' 3'' West
Latitude & Longitude (decimal): 38.39446,-106.28433
Köppen climate type:Dfc : Subarctic climate


No description has been added for this locality. Can you add one?


Mineral List


22 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

Paleoproterozoic
1600 - 2500 Ma



ID: 3192520
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]

Paleoproterozoic
1600 - 2500 Ma



ID: 2855608
Felsic and hornblendic gneisses, either separate or interlayered

Age: Proterozoic (1600 - 2500 Ma)

Description: Includes metabasalt, metatuff, and interbedded metagraywacke; locally contains interlayered biotite gneiss. Derived principally from volcanic rocks

Lithology: Major:{gneiss}, Minor:{metabasalt,metagraywacke}

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]

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



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
- Am. Mineral. 50, 909-923
- OLSON, J.C. (1988) Geology and Uranium Deposits of the Cochetopa and Marshall Pass Districts, Saguache and Gunnison Counties, Colorado. USGS Professional Paper 1457.

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