Mary B. Mine

The Mary B. Mine is a lead and silver mine located in Pitkin county, Colorado at an elevation of 7,999 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: Mary B. Mine
Secondary: Claim: Mary B. No. 2

Commodity

Primary: Lead
Primary: Silver
Secondary: 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

Owner Name: Thomas Hines
Home Office: Los Angeles, Ca.
Years: 1936 -

Owner Name: Mary B. Lease
Home Office: Aspen, Co.
Years: 1936 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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: Mary B. Fault, Pride Fault, Aspen Mountain Syncline, Castle Creek Fault Zone

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian

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

Analytical Data

Analytical Data: PYRITE ASSAYED 14 OZ/TON AG

Materials

Not available

Comments

Comment (Location): AT NORTH BASE OF WEST ASPEN MTN. WEST OF PRIDE OF ASPEN MINE. ELEV AND LAT-LONG FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)

Comment (Commodity): PYRITE FOUND TO CONTAIN SMALL AMOUNTS OF AG, PB, ZN, CU, AS, CD, CO, AND NI

Comment (Deposit): (SEE LAST PAGE)

Comment (Workings): 175-FT-DEEP SHAFT WITH 28-FT DRIFT AT 100-FT LEVEL AND DRIFT OF UNKNOWN EXTENT AT BOTTOM OF SHAFT

References

Reference (Deposit): BLM MINERAL SURVEY MS 19640

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

Reference (Deposit): SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 166-167

Colorado Mining Photos

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