Caprock deposit

The Caprock deposit is a lead and zinc mine located in Jackson county, Colorado at an elevation of 8,635 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Caprock deposit  

State:  Colorado

County:  Jackson

Elevation: 8,635 Feet (2,632 Meters)

Commodity: Lead, Zinc

Lat, Long: 40.97292, -106.48238

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Caprock deposit

Caprock deposit MRDS details

Site Name

Primary: Caprock deposit
Secondary: Cap Rock, Cap-Rock Mine
Secondary: North Park


Commodity

Primary: Lead
Primary: Zinc
Secondary: Copper
Secondary: Silver
Tertiary: Gold


Location

State: Colorado
County: Jackson
District: Pearl District


Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Type: Unknown


Workings

Not available


Ownership

Owner Name: Caprock Corp.
Home Office: Colorado
Info Year: 1992


Production

Not available


Deposit

Record Type: Deposit
Operation Category: Prospect
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: Y


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains


Mineral Deposit Model

Model Name: Stratabound Precambrian sulfide, Colorado and Wyoming
Model Name: Sedimentary exhalative Zn-Pb


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Gneiss
Role: Host
Description: garnet-sillimanite-gahnite- and biotite-
Age Type: Host Rock
Age Young: Paleoproterozoic


Analytical Data

Not available


Materials

Not available


Comments

Comment (Deposit): Workings consist of three trenches

Comment (General): Long's list of Significant Deposits OFR-98-206.

Comment (Geology): Classed as a sedimentary exhalative Zn-Pb-Ag deposit (USGS OFR 98-206), and as a stratabound sulfide deposit (USGS Map I-1971).

Comment (Production): Unknown, but probably none or very small.

Comment (Reserve-Resource): Exploration drilling from 1988 to 1991 defined a resource of 330,000 tons averaging 12.3% zinc plus lead, and an additional 440,000 tons averaging 4.7% zinc plus lead. (USBM MLA Report 13-94) Another source (Minerals Yearbook, 1991) says 783,000 tons of 7% zinc plus copper, lead, and silver, in addition to 328,000 tons of 12.3% zinc and lead.


References

Reference (Deposit): Sheridan, D.M., Raymond, W.H., Taylor, R.B., and Hasler, J.W., 1990, Metallogenic map of stratabound exhalative and related occurrences in Colorado: U.S. Geological Survey Miscellaneous Investigations Series Map I-1971, scale 1:1,000,000.

Reference (Reserve-Resource): Neubert, J. T., 1994, Mineral appraisal of Routt National Forest, Colorado: U.S. Bureau of Mines Open File Report MLA 13-94, 64 p., appendicies.

Reference (Deposit): Long, K. R., DeYoung, J. H., Jr., and Ludington, S. D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States: Geological Survey Open-File Report 98-206, pt. B.

Reference (Deposit): OP: HAROLD ROSENFELD, 1956.

Reference (Deposit): Karlstrom, K.E., and Flurkey, A.J., and Houston, R.S., 1983, Stratigraphy and depositional setting of the Proterozopic Snowy Pass Supergroup, southeastern Wyoming: Record of an Early Proterozoic Atlantic-type cratonic margin: Geological Society of America Bulletin, v. 94, p. 1257?1274.

Reference (Deposit): REF:7.5 QUAD MAP;U.S. FOR SER MAP; CO BU. OF MINES RPT 1956

Reference (Deposit): Metals Economics Group website, North Park project, as of 7/13/2010. http://services.metalseconomics.com/minesearch/Default.aspx#profile&projAid=91829
URL: http://services.metalseconomics.com/minesearch/Default.aspx#profile&projAid=91829

Reference (Deposit): Leach, D., Sangster, D., Kelley, K., Large, R.R., Garven, G., Allen, C., Gutzmer, J., and Walters, S., 2005, Sediment-hosted lead-zinc deposits: A global perspective. Economic Geology, 100th Aniversary Volume. pp. 561-607. Also Appendices A, B, C, D, E, and Supplement
Pages: Appendix A, TableA1


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.