Emma Deposit

Producer in San Bernardino county in California, 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. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10033535
MRDS ID M020120
Record type Site
Current site name Emma Deposit
Alternate or previous names Black Magic

Geographic coordinates

Geographic coordinates: -116.66198, 35.64888 (WGS84)
Relative position IN THE OWLSHEAD MOUNTAINS 35 MI. FROM THE RAILROAD, A FEW MI. N. OF THE GARLOCK FAULT.

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Owl Lake(quadrangle 1:24,000 scale)

Owlshead Mountains(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Death Valley-Lower Amargosa(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Death Valley National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 018N 003E 16 California

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result ORE GRADE 35 PERCENT MANGANESE

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -116.66198, 35.64888

Economic information

Comments on the geologic information

  • GEOL.DESC: POCKETS OF HARD AND SOOTY MANGANESE OXIDES IN A BRECCIA OF LIMESTONE AND GRANITE OF THE VIRGIN SPRING PHASE OF THE AMARGOSA CHAOS.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 195

  • Deposit

    D.O.M. BULL. 125 1943 P. 161

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1977 Killman, K.; Albers, J. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

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