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
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.
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
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.
