Marble Mountain Deposit

The Marble Mountain Deposit is a aluminum mine located in Rio Grande county, Colorado at an elevation of 11,949 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: Marble Mountain Deposit

Commodity

Primary: Aluminum
Secondary: Potassium

Location

State: Colorado
County: Rio Grande
District: Jasper

Land Status

Land ownership: National Forest
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: Frank And John Monteverde

Production

Not available

Deposit

Record Type: Deposit
Operation Category: Occurrence
Deposit Type: Replacement
Operation Type: Unknown
Discovery Year: 1915
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: Y
Deposit Size: L

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Physiographic Detail: San Juan Mountains - Bitter Mountains - Marble Mountains

Mineral Deposit Model

Not available

Orebody

Form: IRREG LENSES

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Alunite
Gangue: Kaolinite
Gangue: Cristobalite
Gangue: Quartz

Comments

Comment (Deposit): GARDNER, L. S., 1943 , UNPUB. REPT. IS ONLY GOOD SOURCE ON ALUNITE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Comment (Deposit): DIP RANGES FROM 10 TO 20 DEG N

Comment (Workings): FEW SHALLOW TEST PITS

Comment (Development): MINOR PROSPECTING DURING WWI FOR PRECIOUS METALS; LITTLE WORK SINCE ; ECON.COM: DEPOSIT HAS NO OVERBURDEN BUT IS ON TOP OF A HIGH MOUNTAIN DIVIDE AND IS 2.5 MI. FROM NEAREST AUTO ROAD. ALUNITE IS CLOSELY INTERLOCKED WITH QUARTZ

Comment (Commodity): PROJECT 9350 - 01393 ALUNITE RESOURCES

Comment (Reserve-Resource): HYPOTHETICAL RESOURCE INFERRED BY R. B. HALL BASED ON PERSONAL RECON, 1975

Comment (Location): Deleted record 10119325 (old MAS 0081050019) had only one reference: "TOPO MAP". Not clear how this was used. This mine is NOT shown on the topo.

Comment (Location): DEPOSIT LOCATED ON 3 LOW PEAKS ALONG HIGH MTN. DIVIDE, ABOUT 3 MI. N OF OLD JASPER CAMP.

References

Reference (Deposit): CROSS, W. AND LARSEN, E. S., 1935 , A BRIEF REVIEW OF THE GEOLOGY OF THE SAN JUAN REGION OF SOUTHWESTERN COLORADO: USGS BULL. 843 , 138 P.

Reference (Deposit): GARDNER, L. S., 1943 , UNPUB. REPT. IN USGS FILE

Reference (Deposit): STEVEN, T. A., LIPMAN, P. W., HAIL, W. J., JR., BARKER, FRED, AND LUEDKE, R. G., COMPILERS, 1974 , GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO, USGS MISC. INV. MAP I-764 , SCALE 1:250,000

Reference (Deposit): 1915 DIREXPL VARIOUS INDIVIDUALS: PROSP'G WORKS

Reference (Deposit): 1942 GEOLMAP L. S. GARDNER: UNPUB. REPT.

Reference (Deposit): 1943 RECON USBM: UNPUB. MAP

Colorado Mining Photos

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