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Boulder Creek

Past Producer in Shasta county in California, United States with commodities Molybdenum, Iron
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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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10037070
MRDS ID M030175
Record type Site
Current site name Boulder Creek

Geographic coordinates

Geographic coordinates: -122.44832, 41.02318 (WGS84)
Relative position 17 MILES S. OF DUNSMUIR, CALIF.

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chicken Hawk Hill(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sacramento Headwaters(hydrologic unit)

Upper Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 037N 005W 33 California

Commodities

Commodity Importance
Molybdenum Primary
Iron Primary

Comments on the commodity information

  • MOLYBDENITE IN SCATTERED BUNCHES

Materials information

Materials Type of material
Molybdenite Ore
Pyrite Ore

Analytical data

Result MOS2 RANGES FROM .13 TO 1.33

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -122.44832, 41.02318
ListMap

Economic information

Ore body information

  • General form DISSEMINATED
    Strike N 65 E
    Dip 37 S
    Length 365.76M
    Width 3.66M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1917

Workings at the site

  • Type of workings Underground
    Length 45.72M
    Overall depth 4.57M

Comments on the workings information

  • A FLOATATION MILL WAS BUILT IN 1917 AND OPERATED BRIEFLY IN 1918 .

Reference information

Bibliographic references

  • Deposit

    KIRKEMO, ET AL; 1965 ; MOLY IN THE COUNTERMINUOS UNITED STATES; USGS BULL 1182 - E

  • Deposit

    1966 ; MINERAL RESOURCES OF CALIFORNIA; CAL. DIV. MINES AND GEO; BULL 191

  • Deposit

    LYDON, P.A.; 1967 ; MINERALS OF SHASTA CO.; CAL. DIV. MIN. GEO.; SPECIAL REPORT 6

  • Production

    LYDON, P. A.; 1967

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1978 Theodore, Ted G. 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.