Woodstock Prospect

The Woodstock Prospect is a lead, copper, gold, and silver mine located in Hinsdale county, Colorado at an elevation of 10,098 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

Name: Woodstock Prospect  

State:  Colorado

County:  Hinsdale

Elevation: 10,098 Feet (3,078 Meters)

Primary Mineral: Lead, Copper, Gold, Silver

Lat, Long: 38.01306, -107.47194

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.


Satelite image of the Woodstock Prospect

Woodstock Prospect MRDS details

Site Name

Primary: Woodstock Prospect


Commodity

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


Location

State: Colorado
County: Hinsdale
District: Galena (Henson Creek) District


Land Status

Land ownership: BLM Administrative Area
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
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
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: San Juan Volcanic Field, San Juan Depression

Type: L
Description: San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben


Alterations

Not available


Rocks

Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene


Analytical Data

Not available


Materials

Ore: Sphalerite
Ore: Gold
Ore: Silver
Ore: Pyrite
Ore: Galena
Ore: Chalcopyrite
Gangue: Quartz


Comments

Comment (Deposit): MINE LIES NW OF LAKE CITY CALDERA RIM IN UNCOMPAHGRE CALDERA INFILL ROCKS CONSISTING OF EUREKA MEMBER RHYOLITE. NE OF MINE, SEQUENCE IS INTRUDED AND ALTERED BY MONZONITE PORPHYRY AND RHYOLITE PLUGS. SMALLER MONZONITE PORPHYRY PLUG LIES JUST SW OF MINE. VEIN LIES IN SLACK'S (1980) QUARTZ/BASE-METAL ASSEMBLAGE, INNER QUARTZ-CHALCOPYRITE ZONE. VEIN TRENDS N 15 E, DIPS 70 TO 80 SE, VARIES FROM 2 TO 6 INCHES IN WIDTH, WIDENING WITH DEPTH. VEIN CONTAINS BRECCIATED FRAGMENTS OF COUNTRY ROCK. ORE CHARACTERIZED BY NATIVE AU WHICH WAS FOUND IN WIRE FORM AT DEPTH OF 40 FT IN SHAFT.

Comment (Location): ACCORDING TO IRVING AND BANCROFT (1911), PROSPECT IS LOCATED AT ABOVE ELEVATION IN YELLOWSTONE GULCH BELOW OTTAWA PROSPECT (MS 1206). ELEV AND LAT-LONG GIVEN ARE FOR 10100-FT ELEVATION ON YELLOWSTONE GULCH JUST ABOVE ROAD. ; INFO FROM LAND.ST :1977

Comment (Production): PARTIAL PRODUCTION RECORD. FIGURES UNAVAILABLE FOR PRODUCTION IN ANY OTHER YEARS.

Comment (Workings): 225-FT SHAFT AND 75-FT ADIT DRIVEN PRESUMABLY NE.


References

Reference (Production): IRVING AND BANCROFT, 1911, P. 79

Reference (Deposit): LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.

Reference (Deposit): SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.

Reference (Deposit): IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 79.