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Cold Spring and Red Cloud, Gold Hill District, Boulder Co., Colorado, USA

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Latitude & Longitude (WGS84): 40° 3' 59'' North , 105° 17' 33'' West
Latitude & Longitude (decimal): 40.06639,-105.29250
Köppen climate type:BSk : Cold semi-arid (steppe) climate


REF:Deposit:: LOVERING AND GODDARD, 1950, USGS P.P. 223, PG. 254.
Deposit:: CONSV. DIV. COMP. DATE, 1,62
Commodities (Major) - Gold
Deposit Type: Vein
Development Status: Producer
Host Rock: Granite


Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

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

Holocene - Pleistocene
0 - 2.588 Ma



ID: 2214951
Landslide Deposits

Age: Pleistocene (0 - 2.588 Ma)

Description: Slumps, rock falls, and earthflows that range from active to inactive. Material in the deposits ranges in size from clay and silt to blocks several feet in diameter (near outcrops of the Fountain Formation and Dakota Group)

Reference: Colton, Roger B. Geologic Map of the Boulder-Fort Collins-Greeley area, Colorado . U.S. Geological Survey Geologic Investigations Series I-855-G. [37]

Late Cretaceous - Early Cretaceous
66 - 145 Ma



ID: 2810825
Colorado Group

Age: Cretaceous (66 - 145 Ma)

Stratigraphic Name: Colorado Group

Description: Consists of Niobrara Formation (Kn) and either Benton Shale or Carlile, Greenhorn, and Graneros Fms (Kcg)

Lithology: Major:{shale,limestone}

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]

Triassic
201.3 - 252.17 Ma



ID: 3191821
Mesozoic sedimentary rocks

Age: Triassic (201.3 - 252.17 Ma)

Lithology: Sedimentary rocks

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



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.
 
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