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Round Bottom Mine

Past Producer in Shasta county in California, United States with commodity Chromium
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10043451
MRDS ID M100216
Record type Site
Current site name Round Bottom Mine
Alternate or previous names Beegum Chrome Mine

Geographic coordinates

Geographic coordinates: -123.01666, 40.30541 (WGS84)
Location accuracy 1000(meters)
Relative position APPROX. 7 MILES SW OF PLATINA, CA., Assumed Spot At Center Of Sect. 5.

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pony Buck Peak(quadrangle 1:24,000 scale)

Garberville(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity 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 Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 010W 05 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ORE AVG. 49% CR2O3 IN 1941

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -123.01666, 40.30541
ListMap

Economic information

Ore body information

  • General form LENSE
    Thickness 2.74M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1945

Ownership information

  • Type Owner
    Owner Pierson, Dave
    Home office Igo, Ca
  • Type Owner
    Owner Pierson, Leland
    Home office Red Bluff, Ca.
  • Type Operator
    Owner Wittington, C. A.
    Home office Platina, Ca.
    First year 1945

Production statistics

  • Year 1941
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^49% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 49wt-pct

Comments on the production information

  • AN UNKNOWN AMT. OF ORE SHIPPED 1944-1945.

Comments on the workings information

  • WORKINGS CONSTRUCTED IN 1941-1945.

Reference information

Bibliographic references

  • Deposit

    LYDON, P. A. AND O'BRIEN, J. C., 1974, MINES AND MINERAL RESOURCES OF SHASTA COUNTY, CALIF.: CDMG COUNTY REPORT 6, P. 28, 104

  • Production

    CDMG COUNTY REPORT NO. 6, P. 28, 104

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-82 Oster, Karel L. (Albers, John P.) U.S. Geological Survey

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.