1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Big Reef Mine

Past Producer in San Bernardino county in California, United States with commodities Aluminum, Barium-Barite, Calcium, Copper, Iron, Manganese, Phosphorus-Phosphates, Silica
Map
XML
JSON
KML
B
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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  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 10116066
MRDS ID M020111
MAS/MILS ID 0060710023
Record type Site
Current site name Big Reef Mine
Alternate or previous names Black Butte Mine, Black Jack Claims, Bobbie, Sullivan, Endline, Hangover
Related records 10033529

Geographic coordinates

Point of reference Trench
Geographic coordinates: -116.34195, 34.80421 (WGS84)
Elevation 735
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sleeping Beauty(quadrangle 1:24,000 scale)

Newberry Springs(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mojave(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 008 N 006 E 10 SWNENW California

Commodities

Commodity Importance
Aluminum Critical Tertiary
Barium-Barite Critical Tertiary
Calcium Tertiary
Copper Tertiary
Iron Tertiary
Manganese Critical Tertiary
Phosphorus-Phosphates Tertiary
Silica Tertiary

Materials information

Materials Type of material
Calcite Unknown
Psilomelane Unknown
Pyrolusite Unknown
Quartz Unknown
Quartz Unknown

Nearby scientific data

Trench (1) -116.34195, 34.80421
ListMap

Economic information

Ore body information

  • Strike N10W
    Dip 75E
    Thickness 1M
    Length 25M
    Width 2M
    Depth to top 5M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 INTERM ARGILLIC
    Strike And Dip N10W:75E
    Minimum Depth to Top 1
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 1
    Date of Last Modification 820524
  • Area 50HA
    Field Value
    Total Surface Area (HA) 50
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1938
Year of first production 1944

Mining district

District name Lavic

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Hubbard, William S.
    Interest 100
    Home office California
    Year 1979

Comments on the production information

  • MN CON IS 40% MN

Workings at the site

  • Type of workings Surface
    Area 15HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 65.8
    Avg. Overburden Thickness 5
    Primary Material Cover SAND, GRAVEL
    Secondary Material Cover SAND, SILT
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 6
    Max. Pit Slope (degrees) 45
    Capacity 1000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 75.468
    Unit Production Cost 8.68
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1979

Comments on other economic factors

  • MARKET IS KAISER STEEL MILL AT FONTANA CA. CON SENT BY TRUCK TO PISGAH SIDING OF A.T. AND S.F. RR.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 39, 1943, P. 492-493.

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 49, 1953, P. 114-115.

  • Deposit

    U.S. GEOL.. SURVEY MISC. GEOL. INVESTIGATIONS MAP I-476,

  • Deposit

    1966, P. 3 (TEXT).

  • Deposit

    JENKINS, O.P., AND OTHERS. MANGANESE IN CALIFORNIA, CALIF.

  • Deposit

    DIV. MINES AND GEOL. BULL. 125, 1943.

  • Deposit

    TRASK, P.O. GEOLOGIC DESCRIPTION OF MANGANESE DEPOSITS IN

  • Deposit

    CALIFORNIA. CALIF. DIV. MINES AND GEOL. BULL. 152, 1950.

  • Deposit

    TRENGOVE, RUSSELL R. RECONNAISSANCE OF CALIFORNA MANGANESE

  • Deposit

    DEPOSITS. BUMINES RI 5579, 1960.

  • Deposit

    SOUTHERN PACIFIC CO., 1964, MINERALS FOR INDUSTRY,

  • Deposit

    SOUTHERN CALIFORNIA: P. 138.

Reporter information

Type Date Name Affiliation Comment
Reporter 31-MAR-1991 Mcmahan U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative California resources

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