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  3. Mineral Resource Data System (MRDS)

Black Bear

Past Producer in Siskiyou county in California, United States with commodity Gold
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10036251
MRDS ID M024329
Record type Site
Current site name Black Bear

Geographic coordinates

Geographic coordinates: -123.16223, 41.25206 (WGS84)
Elevation 1311
Relative position 2.8 MI. SSW SAWYERS BAR

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sawyers Bar(quadrangle 1:24,000 scale)

Hoopa(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salmon(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath 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 Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 039N;039N 011W;012W 07;13 California

Commodities

Commodity Importance
Gold Primary

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -123.16223, 41.25206
ListMap

Economic information

Ore body information

  • General form LENTICULAR AND KIDNEY
    Strike N20E
    Dip 25-40E
    Thickness 12.19M
    Length 1584.96M

Comments on the geologic information

  • BELIEVED THAT PROPERTY SIMILAR, GEOLOGICALLY, TO KLAMATH, MT. LAUREL AND OTHERS IN SAME BELT,EXCEPT BLACK BEAR GROUND LESS BROKEN & DISTURBED - PRESUMABLY BY FAULTING.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes

Land status

Ownership category National Forest

Comments on the production information

  • MOST ORE FREE MILLING. NO OTHER PRODUCTION RECORDS FOUND

Workings at the site

  • Type of workings Underground
    Overall depth 182.88M

Comments on the workings information

  • 6 ADITS, 2 SHAFTS. MILLSITE. LENGTH DRIVEN ON VEIN: 1500 FT; 4000 FT. OF DRIFTS, RAISES, STOPES, CROSSCUTS

Comments on development

  • ECON.COM: COSTS (PER TON); DEVEL. $2.00, MINING $1.50, TREATMENT $0.80, GENERAL $0.60

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J.J., 1896, REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13, P. 388-389

  • Deposit

    BROWN, G.C., 1914, THE COUNTIES OF SHASTA, SISKIYOU AND TRINITY, CALIF.: CALIF. JOUR. MINES & GEOLOGY, V. 14, PT. 4, P.826-827

  • Deposit

    LOGAN, C.A., 1925, SACRAMENTO FIELD DIVISION: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 21, NO. 4, P. 431-432

  • Deposit

    IRELAND, W., JR., 1888, REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 8, P. 620-621

  • Deposit

    5) COOPER, A.S., 1900, REGISTER OF MINES AND MINERALS, COUNTY OF SISKIYOU, CALIF: CALIF. STATE MINING BUREAU

  • Production

    BROWN (1914) LOGAN (1925) IRELAN (1888)

General comments

Subject category Comment text
Deposit VEINS; ORE BODIES OCCUR AS SMALL LENSES, PINCH OUT ON FOOTWALL SIDE ORE, IN GENERAL, IS CRUMBLY MASS OF CRUSHED QTZ. AND CLAY, STAINED RED BY IRON OXIDES. SOME RICH BLACK QUARTZ SHOWED FREE GOLD.
Deposit PATENTED. 70 ACRES. DISCOVERED IN 1860. CLAIMS INCL BLACK BEAR, SOUTH BLACK BEAR AND YELLOW JACKET. SEE IRELAN (1888) FOR EARLY HISTORY OF CLAIMS & VARIOUS OWNERS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1980 Nelson, Scott C. (Albers, John, P.) U.S. Geological Survey

Beyond USGS

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

External references

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.