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Reed Flat Mine

Past Producer in Inyo county in California, United States with commodities Lead, Silver
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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. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10212141
MRDS ID W023802
MAS/MILS ID 0060270212
Record type Site
Current site name Reed Flat Mine
Alternate or previous names Birch Creek Rare Ii Area, Mexican Mine
Related records 10076658

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -118.18173, 37.38054 (WGS84)
Elevation 3120
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Blanco Mountain(quadrangle 1:24,000 scale)

Bishop(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Crowley Lake(hydrologic unit)

Mono-Owens Lakes(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Inyo 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 Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006 S 035 E 31 E2S2SW California

Commodities

Commodity Importance
Lead Tertiary
Silver Primary

Materials information

Materials Type of material
Cerussite Unknown
Galena Unknown
Hemimorphite Unknown
Silver Unknown

Nearby scientific data

Main Entrance (1) -118.18173, 37.38054
ListMap

Economic information

Ore body information

  • Thickness 18M
    Length 134M
    Width 134M
    Depth to top 48M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 840329
  • Area 13HA
    Field Value
    Total Surface Area (HA) 13
    Date of Last Modification 910418

Comments on the geologic information

  • GALENA AND CERUSSITE COMBINED IS 1.1 PERCENT LEAD. SPHALERITE AND SMITHSONITE MAY ALSO BE PRESENT.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1862
Year of first production 1909

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category National Forest

Production statistics

  • Year 1909
    Description 1 Ton; 1,090 Lbs Pb, 62 Oz Ag, 19 Oz Au 10 Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 590.96g
    Major Silver Silver 1928.41g
    Trace Lead Lead 494.41mt
  • Year 1910
    Description From 10 Ton; 39.57 Oz Au; 15 Oz Ag Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 466.55g
    Gold Gold 1230.76g

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Indicated 49000mt ore
    Demonstrated 49000mt ore
    Inferred 245000mt ore
    Total resources 294000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 58 g/mt Silver Major 1983
    Lead Pb 1.1 wt-pct Lead Trace 1983
    Zinc Zn 1.8999 wt-pct Zinc 1983

Reference information

Bibliographic references

  • Deposit

    BUTNER, D. W., 1945, MEXICAN LEAD MINE INYO COUNTY,

  • Deposit

    CALIFORNIA ACCESS ROAD REPORT UNPUBLISHED BUREAU OF

  • Deposit

    MINES, REPORT ON FILE AT THE USBM WFOC SPOKANE WA. P.6

  • Deposit

    TUCKER, W. B., 1926, TWENTY-SECOND REPORT OF THE STATE

  • Deposit

    MINERALOGIST: CALIFORNIA STATE MINING BUREAU, V. 22,

  • Deposit

    NO. 1, P. 497.

  • Deposit

    TUCKER, W. B., AND SAMPSON, R. J., 1938, MINERAL RESOURCES

  • Deposit

    OF INYO COUNTY: THIRTY-FOURTH REPORT OF THE STATE

  • Deposit

    MINERALOGIST, CALIFORNIA JOURNAL OF MINES AND GEOLOGY

  • Deposit

    V. 34, NO. 4, P. 452, 478.

  • Deposit

    NORMAN, L. A., AND STEWART, R. R., 1951, MINES AND MINERAL

  • Deposit

    RESOURCES OF INYO COUNTY: CALIFORNIA JOURNAL OF MINES

  • Deposit

    AND GEOLOGY, V. 47, NO. 1. P. 74-75.

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 53, 1957, NO. 81, P. 489.

  • Deposit

    RAINS, R. L., AND IVERSON, S. R., 1983, MINERAL RESOURCES OF

  • Deposit

    THE BIRCH CREEK RARE II AREA (NO. 5060), INYO COUNTY,

  • Deposit

    CALIFORNIA: U. S. BUREAU OF MINES OPEN-FILE REPORT 90-83,

  • Deposit

    NO. 10, P. 14.

Reporter information

Type Date Name Affiliation Comment
Reporter 31-MAR-1991 Rains, Richard 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.