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  3. Mineral Resource Data System (MRDS)

Double A.Mine

Past Producer in Trinity county in California, United States with commodities Manganese, Silica
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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. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10263508
MRDS ID M020320
MAS/MILS ID 0061050030
Record type Site
Current site name Double A.Mine
Related records 10033686

Geographic coordinates

Point of reference Trench
Geographic coordinates: -123.27551, 40.20675 (WGS84)
Elevation 980
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shannon Butte(quadrangle 1:24,000 scale)

Garberville(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mad-Redwood(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 003 S 008 E 16 C NE California

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chert Unknown
Pyrolusite Unknown
Quartz Unknown
Rhodochrosite Unknown
Rhodonite Unknown

Nearby scientific data

Trench (1) -123.27551, 40.20675
ListMap

Economic information

Ore body information

  • Strike N10W
    Dip 35W
    Thickness 1M
    Length 30M
    Width 10M
    Depth to top 2M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control BEDDING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Strike And Dip N10W:35W
    Minimum Depth to Top 1
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 10HA
    Field Value
    Total Surface Area (HA) 10
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1942
Year of first production 1944

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Federal Government-National Forest
    Interest 100
    Home office California
    Year 1975

Reference information

Bibliographic references

  • Deposit

    CAL.DIV.MINES AND GEOLOGY,BULL.152,1950

  • Deposit

    CDMG,MINES AND MINERAL RESOURCES OF TRINITY CO,COUNTY REPT.4

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Deino, Al 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.