The Aspen Mining and Drainage Tunnel is a silver, lead, and zinc mine located in Pitkin county, Colorado at an elevation of 8,100 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
Elevation: 8,100 Feet (2,469 Meters)
Commodity: Silver, Lead, Zinc
Lat, Long: 39.18833, -106.82694
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.
Aspen Mining and Drainage Tunnel MRDS details
Site Name
Primary: Aspen Mining and Drainage Tunnel
Secondary: A. M. & D. Tunnel, Copperopolis
Secondary: Claims: Aspen Mountain Tunnel Lode No. 1
Secondary: Copperopolis
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
Owner Name: G. W. Thatcher
Home Office: Aspen, Co.
Years: 1919 -
Owner Name: John Peterson And Associates
Home Office: Aspen, Co.
Years: 1919 -
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
Form: IRREGULAR
Structure
Type: R
Description: Sawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift
Type: L
Description: Pride Fault, Aspen Mountain Syncline
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Analytical Data
Not available
Materials
Ore: Sphalerite
Comments
Comment (Deposit): TUNNEL INTERSECTED NORTH-SOUTH-TRENDING FAULT CLOSE TO AND EAST OF PRIDE FAULT. FOOTWALL CONTAINED PORPHYRY; HANGING WALL CONSISTS OF BRECCIATED SHALE, LIMESTONE, AND PORPHYRY. SULFIDES OCCUR IN IRREGULAR MASSES IN SPACES BETWEEN LIMESTONE FRAGMENTS IN FAULT ZONE.
Comment (Workings): ONE TUNNEL DRIVEN SW 1000 FT. AT 475 FT FROM PORTAL, 175-FT DRIFT DRIVEN WESTWARD
Comment (Location): AT NE BASE OF WEST ASPEN MTN. ELEV AND LAT-LONG APPROXIMATED FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)
References
Reference (Deposit): SPURR, J.E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 166
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
Reference (Deposit): BLM MINERAL SURVEYS MS 10035, 1759
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
