Tilly Shaft

The Tilly Shaft is a silver, lead, and zinc mine located in Pitkin county, Colorado at an elevation of 8,901 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

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: Tilly Shaft
Secondary: Claim: Tillie

Commodity

Primary: Silver
Primary: Lead
Primary: Zinc

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

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1890
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: Lenado Fault, Silver Fault

Alterations

Not available

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Analytical Data

Analytical Data: GALENA CONTAINED 5 TO 6 OZ/TON AG

Materials

Not available

Comments

Comment (Location): LENADO AREA OR SUBDISTRICT ALONG WOODY CREEK, ON UNNAMED TRIBUTARY EAST (UPSTREAM) OF SILVER CREEK AND 0.4 MILE NE OF ASPEN CONTACT MINE. ELEV AND LAT-LONG FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)

Comment (Deposit): ORE OCCURS IN HARD BLUE DOLOMITE IN SILVER FAULT SEPARATING LEADVILLE AND BELDEN SHALE

References

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

Reference (Deposit): BLM MINERAL SURVEY MS 6635

Reference (Deposit): SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 202

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

Colorado Mining Photos

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