Boulder City

The Boulder City is a manganese mine located in Clark county, Nevada at an elevation of 2,201 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  

State:  Nevada

County:  Clark

Elevation: 2,201 Feet (671 Meters)

Commodity: Manganese

Lat, Long: 35.9458, -114.78970

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

Boulder City MRDS details

Site Name

Primary: Boulder City


Commodity

Primary: Manganese
Secondary: Iron
Tertiary: Aluminum
Tertiary: Sulfur
Tertiary: Silica
Tertiary: Phosphorus-Phosphates
Tertiary: Magnesite
Tertiary: Calcium


Location

State: Nevada
County: Clark
District: Las Vegas


Land Status

Land ownership: Municipality
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: Fee Ownership


Workings

Type: Surface


Ownership

Owner Name: City Of Boulder City Nevada
Percent: 100.0
Home Office: Nevada
Info Year: 1980


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Mining Method: Unknown
Discovery Year: 1941
Years of Production:
Organization:
Significant: N


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

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Unknown: Quartz
Unknown: Limonite
Unknown: Kaolinite
Unknown: Wad
Unknown: Selenite


Comments

Comment (Production): MILL WILL BE FED BY THE 4 DEPOSITS: FIRST 6 YEARS: 2000MT DAY FROM 3 KIDS, 1000 MT FROM VIRGIN YEAR 7: 2000 MT DAY FROM 3 KIDS, 1000 MT DAY FROM FANNIE LAST 15 YEARS: 1770 MT DAY FROM 3 KIDS, 1230 MT FROM BOULDER MILL OUTPUT FOR 22 YEARS WILL BE 502 MT/DAY OF 46% MN NODULES 56.81/MT ORE INCLUDES $1.981MT RAIL TRANSPORT COST.

Comment (Geology): LINE 1 & 2 ARE GYPSIFEROUS SANDSTONE.

Comment (Deposit): OWNED BY THE CITY OF BOULDER CITY NEVADA IN 1975. WHITEHEAD OWNED CLAIMS CONTAINING THE DEPOSIT IN 19?? UNIDENTIFIED MANGANESE MINERALS IN WAD ORE. MANGANESE IS DISPERSED IN POCKETS AND LENSES THROU. GRADE QUANTITY MATRIX WATER CONTENT NOT AVAILABLE. MATRIX 50 PERCENT PROBABILITY BY EVALUATOR 1977. GENERAL LOCATION IS APPROX. 39 KM SE OF LAS VEGAS. PREVIOUS EVALUATOR WAS MCMAHAN. NO MILL ON SITE. GENERAL SIZE OF ORE BODY IS MEDIUM.


References

Reference (Deposit): GEOL. BULL. 13, 1931, 17 PP.

Reference (Deposit): MANGANESE OXIDES NEAR LAS VEGAS, NEVADA. NV BUREAU OF MINES AND

Reference (Deposit): RI 5323, 1957, 20 PP.

Reference (Deposit): 267. HEWETT, D. F., AND B. N. WEBBER. BEDDED DEPOSITS OF

Reference (Deposit): LEACHING OF MANGANESE ORES WITH SULFUR DIOXIDE. BUMINES

Reference (Deposit): 41. BENDER, F. N., AND C. RAMPACEK. PERCOLATION

Reference (Deposit): COUNTY, NEVADA. BUMINES RI 4302, 1948, 12 PP.

Reference (Deposit): MANGANESE ORES FROM BOULDER DAM RECREATIONAL AREA, CLARK

Reference (Deposit): 36. BATTY, J. V., AND W. W. AGEY. CONCENTRATION OF

Reference (Reserve-Resource): BULL. 948-D, 1949, PP. 83-101.

Reference (Reserve-Resource): MEADE REGION, NEVADA AND ARIZONA. U.S. GEOL. SURV.

Reference (Reserve-Resource): PRELIMINARY REPORT ON THE BEDDED MANGANESE OF THE LAKE

Reference (Reserve-Resource): 407. MCKELVEY, V. E., J. H. WIESE, AND V. H. JOHNSON.

Reference (Deposit): RI 4077, 1947, 12 PP.

Reference (Deposit): LEACHING TESTS ON VARIOUS WESTERN MANGANESE ORES. BUMINES

Reference (Deposit): MANGANESE ORE IN NEVADA. U.S. GEOL. SURV.

Reference (Deposit): 547. PARDEE, J. T., AND E. L. JONES, JR. DEPOSITS OF

Reference (Deposit): PP.

Reference (Deposit): NEVADA. NV BUREAU OF MINES AND GEOL. BULL. 62, 1965, 218

Reference (Deposit): ROBERTS. GEOLOGY AND MINERAL DEPOSITS OF CLARK COUNTY,

Reference (Deposit): 386. LONGWELL, C. R., E. H. PAMPEYAN, B. BOWYER, AND R. J.

Reference (Deposit): COUNTY, NEVADA. BUMINES RI 4712, 1950, 8 PP.

Reference (Deposit): THE FANNIE RYAN AND BOULDER CITY MANGANESE DEPOSITS, CLARK

Reference (Deposit): 354. KING, W. H., AND R. R. TRENGOVE. INVESTIGATION OF

Reference (Deposit): 844. WYMAN, W. F., AND S. F. RAVITZ. SULFUR DIOXIDE

Reference (Deposit): AND GEOL. BULL. 65.)

Reference (Deposit): JULY 23, 1964, 314 PP. (ALSO PUBLISHED AS NV BUREAU OF MINES

Reference (Deposit): 88TH CONGR., 2D SESS,, SENATE DOCUMENT 87,

Reference (Deposit): 733. U.S. SENATE. MINERAL AND WATER RESOURCES OF NEVADA.

Reference (Deposit): DEPOSITS. BUMINES RI 5446, 1959, 40 PP.

Reference (Deposit): 721. TRENGOVE, R. R. RECONNAISSANCE OF NEVADA MANGANESE

Reference (Deposit): BULL. 710-F, 1920, PP. 158-248.


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.