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Chalcocite from
Union Pacific Shaft Occurrence (Union Pacific Prospect), Ralston Buttes Mining District, Jefferson County, Colorado, USA


Locality type:Occurrence
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Union Pacific Shaft Occurrence (Union Pacific Prospect), Ralston Buttes Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:377641
Long-form Identifier:1:3:377641:4
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
0.3km (0.2 miles) ⓘLadwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA
1.0km (0.6 miles) ⓘBuckman Property (Golden Gate Canyon Prospect No. 2), Ralston Buttes Mining District, Jefferson County, Colorado, USA
8.4km (5.2 miles) ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
9.7km (6.0 miles) ⓘMena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft), Ralston Buttes Mining District, Jefferson County, Colorado, USA
10.4km (6.5 miles) ⓘNorth Star Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA
14.3km (8.9 miles) ⓘCu Prospect (MRDS - 10087812), Ralston Buttes Mining District, Jefferson County, Colorado, USA
14.9km (9.3 miles) ⓘBankers Lode Claim, Ralston Buttes Mining District, Jefferson County, Colorado, USA
17.5km (10.9 miles) ⓘEvergreen Fluorite deposit (Augusta lode; Augusta Mine), Bear Creek-Evergreen area, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA
17.6km (11.0 miles) ⓘBull Hill claim, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA
19.7km (12.3 miles) ⓘWidow Woman vein, Southern, Gilpin County, Colorado, USA
References
USGS: Geological Survey Circular 320
Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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