Decatur Ne District

The Decatur Ne District is a gold, lead, silver, and copper mine located in Rio Grande county, Colorado.

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: Decatur Ne District
Secondary: Jasper District

Commodity

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

Location

State: Colorado
County: Rio Grande
District: JASPER DISTRICT

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: BALLANTYNE AND HOOK
Home Office: JASPER
Info Year: 1944

Owner Name: ERNEST MONCRIEFF
Info Year: 1944

Production

Not available

Deposit

Record Type: District
Operation Category: Producer
Deposit Type: VEIN
Operation Type: Unknown
Year First Production: 1870
Year Last Production: 1939
Discovery Year: 1874
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: SAN JUAN VOLCANIC FIELD

Type: L
Description: PLATORO CALDERA, SUMMITVILLE CALDERA, CORNWALL FAULT, CALIFORNIA GULCH FAULT, CORNWALL BLOCK, JASPER STOCK

Alterations

Alteration Type: L
Alteration: HYDROTHERMAL
Alteration Text: ALTERATION HAS NOT BEEN DESCRIBED BUT INCLUDES SOME HYDROTHERMAL ALTERATION ASSOCIATED WITH INTRUSION OF JASPER STOCK AND SMALL MONZONITE STOCK (LIPMAN, 1974). ZONED SOLFATARIC ALTERATION (PROPYLITIC, ARGILLIC, QUARTZ-ALUNITE) CHARACTERISTIC OF SUMMIT AND DECATUR W (STUNNER) DISTRICTS PRESENT NEAR MARBLE MTN AT NW END OF STOCK.

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Not available

References

Reference (Deposit): LIPMAN, P.W., AND STEVEN, T.A., 1970, RECONNAISSANCE GEOLOGY AND ECONOMIC SIGNIFICANCE OF THE PLATORO CALDERA, SOUTHEASTERN SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 700-C, P. C19-C29.

Reference (Deposit): RATTE, J.C., 1968, ALUNITE, IN MINERAL AND WATER RESOURCES OF COLORADO: US GPO, P. 155-157.

Reference (Deposit): SANFORD, SAMUEL, AND STONE, R.W., 1914, USEFUL MINERALS OF THE UNITED STATES: USGS BULL. 585, P. 39.

Reference (Deposit): LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.

Reference (Deposit): PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHESATERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.

Reference (Deposit): LIPMAN, P.W., 1975, EVOLUTION OF THE PLATORO CALDERA COMPLEX AND RELATED VOLCANIC ROCKS, SOUTHESTERN SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 852.

Reference (Deposit): STEVEN, T.A., AND LIPMAN, P.W., 1976 CALDERAS OF THE SAN JUAN VOLCANIC FIELD, SOUTHWESTERN COLORADO: USGS PROF. PAPER 958.

Reference (Deposit): BIRD, W.H., 1972, MINERAL DEPOSITS OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: MTN. GEOLOGIST, V. 9, NO. 4, P. 379-387.

Reference (Deposit): WOOLF, J.H., 1914, GEOLOGY OF THE JASPER DISTRICT, COLORADO: COLORADO SCHOOL OF MINES THESIS T-467.

Colorado Mining Photos

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