Idarado Mine

The Idarado Mine is a lead mine located in Ouray county, Colorado at an elevation of 10,499 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: Idarado Mine

Commodity

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

Location

State: Colorado
County: Ouray
District: Red Mountain 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: Located Claim
Type: Private Lease
Type: Patented

Workings

Type: Underground

Ownership

Owner Name: Home Stake Mining Corp.
Company ID: 500414
Percent: 20.00
Home Office: California
Info Year: 1980

Owner Name: Newmont Mining Corp.
Company ID: 500414
Percent: 80.00
Home Office: New York
Info Year: 1980

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Open Stope - Sublevel
Milling Method: Flotation
Year First Production: 1875
Discovery Year: 1870
Years of Production:
Organization:
Significant: Y

Physiography

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

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Unknown: Galena
Unknown: Chalcopyrite
Unknown: Calcite
Unknown: Bornite
Unknown: Tetrahedrite
Unknown: Tennantite
Unknown: Stephanite
Unknown: Sphalerite
Unknown: Rhodonite
Unknown: Rhodochrosite
Unknown: Quartz
Unknown: Pyrite
Unknown: Gold
Unknown: Fluorite

Comments

Comment (Geology): THE GEOLOGICAL RECORD ONLY DSCRIBES THE MONTANA-ARGENTINE VEIN. MONTANA-ARGENTINE: VEIN LENGTH 4875 M VEIN THICKNESS 1070 M VEIN WIDTH 0.6 - 7.6 M VEIN STK SOUTH HALF -N35W NORTH HALF -N10W DIP -80W BLACK BEAR VEIN : VEIN LENGTH 1650 M VEIN THICKNESS 335 M VEIN WIDTH 0.6 - 7.6 M VEIN STK EAST HALF -N45W WEST HALF -N63W DIP -70S

Comment (Economic Factors): THE MINE HAS 100 YR HISTORY AND HAS WELL OVER 60 MILES 96 KM OF WORKINGS THAT ARE OPENED. THE MINE HAS BEEN CLOSED SINCE 1978. THERE ARE TWO MAIN HAULAGE ADITS (TUNNELS). PANDORA TUNNEL THAT ENTERS THE SAN MIGUEL RIVER 1 MI (1.6 KM) EAST OF THE TOWN OF TELLURIDE. THIS HAULAGE TUNNEL IS THE UNDERGROUND ACCESS TO MILL. THE TREASURY TUNNEL IS AT THE TOP OF RED MTN PASS AND IS THE SERVICE ENTRANCE FROM THE EAST SIDE OF THE MOUNTAINS.

Comment (Reserve-Resource): RESERVES REFER TO QUANT. MAT.1 - 8 JUNE 93

Comment (Production): PRODUCTION IS ONGOING

Comment (Location): THE MILL IS LOCATED IN SAN MIGUEL COUNTY AT THE WEST ENTRANCE OF THE MINE.

References

Reference (Geology): BURBANK, W. S. GEOLOGY AND ORE DEPOSITS IN THE WESTERN SAN

Reference (Geology): JUAN MTNS, COLORADO. IN RIDGE, J. D., EDITOR, ORE DEPOSITS

Reference (Geology): OF THE U. S., 1933-1967, (GRATON-SALES VOL): CHAP 34, V. 1

Reference (Geology): PP. 714-733.

Reference (Production): A. A. MATHEWS MINE INTERVIEW REPORT FOR BUMINES CONTRACT

Reference (Production): J0255026, CODE 28A, OCT 75, 7 PP.

Reference (Workings): VOL 1, 1973, PP 12-138,139.

Reference (Deposit): E&MJ INT DIRECTORY 1975

Reference (Deposit): UPDATED BY MILS TO REFLECT LAST MSHA LIST 8-79.

Reference (Deposit): GENTRY, DOW W., LEAD & ZINC DEPOSITS IN COLORADO AND

Reference (Deposit): WYOMING. BU. MINES CONTRACT G00264005, SEP 1976, 211 PP.

Reference (Production): IN RAUSCH, D. O., EDITOR, MINING AND CONCENTRATING OF LEAD

Reference (Production): AND ZINC, AIME WORLD SYM, V. 1, 1970, PP. 526-541"

Reference (Reserve-Resource): NEWMONT ANN. REPT-1970 THRU 1977.

Reference (Workings): CUMMINS, A. B. SME MINING ENGINEERING HANDBOOK, SEC 12.11.2

Reference (Production): STEVENS R. C. ET AL. MILLING PRACTICE AT IDARADO MINING CO.

Colorado Mining Photos

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