Boulder City Deposit

The Boulder City Deposit is a manganese mine located in Clark county, Nevada at an elevation of 2,241 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: Boulder City Deposit

State:  Nevada

County:  Clark

Elevation: 2,241 Feet (683 Meters)

Commodity: Manganese

Lat, Long: 35.94583, -114.79000

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 Boulder City Deposit

Boulder City Deposit MRDS details

Site Name

Primary: Boulder City Deposit


Commodity

Primary: Manganese


Location

State: Nevada
County: Clark
District: Las Vegas


Land Status

Land ownership: Federal
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

Type: Underground


Ownership

Owner Name: Sr. Whitehead ( 1959 )


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Faulted Basin And Range Structure


Alterations

Not available


Rocks

Name: Silt
Role: Host
Age Type: Host Rock
Age Young: Pliocene


Analytical Data

Analytical Data: P .038 %
Analytical Data: S 12.2 %
Analytical Data: CAO 23 %
Analytical Data: INSOL. 23.6 %
Analytical Data: SIO2 17.0 %
Analytical Data: FE .95 %
Analytical Data: CHEMICAL ANALYSIS: MN 3.8 %
Analytical Data: MGO 1.3 %
Analytical Data: AL2O3 4.1 %


Materials

Not available


Comments

Comment (Workings): WORKINGS CONSIST OF DIAMOND DRILLING 2 HOLES TOTALLING 188 FEET, AND A 4 - BY 6 - FOOT SHAFT. MN GYPSUM THICKNESS RANGED FROM 40 FEET IN THE SHAFT TO 61 AND 72 FEET IN THE DRILL HOLES.

Comment (Geology): MANGANESE OXIDES WITH 3 - 5 % MANGANESE AS IRREGULAR SMALL POCKETS, AND DIFFUSED THROUGH SILTY GYPSUM BED


References

Reference (Deposit): LONGWELL, C. R., PAMPEYAN, E. H., BOWYER, B., ROBERTS, R. J., 1965 , GEOLOGY AND MINERAL DEPOSITS OF CLARK CO.: NEV. BUREAU OF MINES, BULL. 62 , P. 199 .

Reference (Deposit): TRENGOVE, R. R., 1959 , RECONNAISSANCE OF NEVADA MN. DEPOSITS, US DEPT. INTERIOR REPORT OF INVESTIGATIONS 5446 , P. 7 - 8 .


Nevada Gold

Gold Districts of Nevada

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.