Boulder City Deposit

Occurrence in Clark county in Nevada, United States with commodity Manganese
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10072153
MRDS ID W016464
Record type Site
Current site name Boulder City Deposit

Geographic coordinates

Geographic coordinates: -114.79082, 35.94583 (WGS84)
Elevation 683
Relative position 3 MILES SE OF BOULDER CITY

Site location context

Political divisions (FIPS codes)

Clark(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boulder City(quadrangle 1:24,000 scale)

Boulder City(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ivanpah-Pahrump Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
023S 064E 23,24 Nevada

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

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

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Silt
    Rock unit name Muddy Creek Formation
    Rock description Muddy Creek Formation
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -114.79082, 35.94583

Economic information

Geologic structures

Type of structure Regional
Structure description Faulted Basin And Range Structure

Controls for ore emplacement

  • Silty Gypsum Bed

Comments on the geologic information

  • MANGANESE OXIDES WITH 3 - 5 % MANGANESE AS IRREGULAR SMALL POCKETS, AND DIFFUSED THROUGH SILTY GYPSUM BED

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Medium
Significant No

Mining district

District name Las Vegas

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Sr. Whitehead ( 1959 )

Workings at the site

  • Type of workings Underground
    Overall depth 13.41M

Comments on the workings information

  • 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.

Reference information

Bibliographic references

  • 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 .

  • Deposit

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1976 Weeks, Robert U.S. Geological Survey
Updater 01-MAY-1979 Harner, Joy L. (Roberts, Ralph J.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.