Little Percy Mine

The Little Percy Mine is a silver, lead, and zinc mine located in Pitkin county, Colorado.

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

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.

Site Name

Primary: Little Percy Mine
Secondary: Claim: Little Percy

Commodity

Primary: Silver
Primary: Lead
Primary: Zinc
Tertiary: Copper

Location

State: Colorado
County: Pitkin
District: Aspen (Roaring Fork) 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

Not available

Workings

Type: Unknown

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1884
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

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

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Sawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift

Type: L
Description: Silver Fault, Contact Fault, Aspen Mountain Syncline, Tourtellotte Park Uplift, Aspen Fault, Schiller Fault Hallet Fault

Alterations

Not available

Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene

Analytical Data

Not available

Materials

Gangue: Barite

Comments

Comment (Location): IN UPPER ASPEN MTN AREA ABOVE AND WEST OF SPAR GULCH. ELEV AND LAT-LONG FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)

Comment (Commodity): ORE COMPLETELY OXIDIZED, PROBABLY TO CARBONATES AND OXIDES

Comment (Deposit): ORE COMPLETELY OXIDIZED AND ASSOCIATED WITH MUCH BARITE. MOST ORE FOUND IN BRECCIATED ZONE ALONG CONTACT FAULT AND SOME IN SMALLER EAST-WEST-TRENDING FAULTS

Comment (Workings): INCLINE DRIVEN OVER 1300 FT ON HEADING OF N 47 W AND AT VARIABLE PITCH. TEN LEVELS DEVELOPED. LEVELS 4 AND 5 EXTEND SW AND CONNECT WITH DENVER SHAFT WORKINGS

References

Reference (Deposit): BLM MINERAL SURVEY MS 3707

Reference (Deposit): SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 168-169

Reference (Deposit): BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933.

Reference (Deposit): BRYANT, BRUCE, 1972, MAP SHOWING MINES, PROSPECTS, AND AREAS OF SIGNIFICANT SILVER, LEAD, AND ZINC PRODUCTION IN THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP I-785-D

Colorado Mining Photos

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