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Balaklala

Past Producer in Shasta county in California, United States with commodities Copper, Silver, Gold, 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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10077587
MRDS ID W025289
Record type Site
Current site name Balaklala
Alternate or previous names Windy Camp
Related records 10140509

Geographic coordinates

Geographic coordinates: -122.49916, 40.72513 (WGS84)
Elevation 792
Relative position 3 MI. NW OF CORAM

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shasta Dam(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sacramento Headwaters(hydrologic unit)

Upper 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 033N 006W 11,12,13,14 California

Comments on the location information

  • UTM EST. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Iron Secondary

Comments on the commodity information

  • THE ORE PRESENTS LARGE MASSES OF SOLID COPPER AND IRON SULPHIDES, WITH OCCASIONAL COPPER SILVER GLANCE, BLACK OXIDES OF SILVER AND COPPER, AND NATIVE COPPER. TWO LARGE SEPERATE ORE BODIES ARE KNOWN, THE EASTERN BODY, NEAR MULE GULCH HAS A LENGTH OF 1200 FT. (EAST - WEST) AND A WIDTH OF 300 FT. (NORTH - SOUTH), THICKNESS OF 20 - 40 FT. THE OTHER DEPOSIT, MULE GULCH IS OVER 900 FT LONG AND 20 - 60 FT. THICK.

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Greenockite Ore
Malachite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Barite Gangue
Calcite Gangue
Chlorite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Sericite, Silicification, Pyritization

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Balaklala Rhyolite
    Rock description Balaklala Rhyolite
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -122.49916, 40.72513
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults, Folds And Warps. Most Faults Have Small Offsets - Not Recognized At Surface. The Balaklala Fault Has Vertical Displacement Of 220 Ft., Downthrown On The North.

Ore body information

  • General form TABULAR
    Thickness 22.86M
    Width 30.48M

Controls for ore emplacement

  • Broad Ore Control For Main Ore Zone Is The Contact Between Overlying Upper And Middle Units Of The Balaklala Rhyolite. More Detail Controls Appear To Be Basin - Shaped Fold In Rocks And Thin Layers Of Bedding - Plane Foliation In Flat - Lying Pyroclastic Rock And Shaly Tuff.

Comments on the geologic information

  • GEOL.DESC: ROCKS IN AREA INCLUDE LOWER UPPER UNIT AND UPPER MIDDLE UNIT OF BALAKLALA RHYOLITE, RHYOLITE IS MASSIVE AND ESSENTIALLY STRUCTURELESS. SHALY TUFF AND COARSE AND FINE PYROCLASTIC MATERIAL UNDERLIES THE RHYOLITE. PYROCLASTIC MATERIAL RANGES FROM THIN BLACK SHALE CONTAINING MINOR TUFF LAYERS TO TAN SHALY TUFF AND THIN BEDS OF LAPILLI TUFF WITH COARSE VOLCANIC BRECCIA.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Year of first production 1895
Year of last production 1948
Production years 1890S, 1906-1911, 1914-1919, 1924-1925, 1926-1928, 1948

Mining district

District name West Shasta Copper - Zinc

Production statistics

  • Year 1928
    Period 1902 - 1928
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^2.8 % Cu, 1.3 % Zn (?), 1.0 Oz/Ton Ag, .028 Oz/Ton Au.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 28g/mt
    Major Ore Gold Gold 1g/mt
    Ore Zinc Zinc 1wt-pct
    Ore Copper Copper 3wt-pct

Comments on the production information

  • CUMULATIVE PRODUCTION VALUE IS TOTAL AMOUNT PRODUCED FROM ALL THE ORE BODIES ASSOCIATED WITH THE BALAKLALA MINE.

Workings at the site

  • Type of workings Underground
    Area 465HA
    Length 1524M
    Overall depth 27.43M

Comments on the workings information

  • THE DEVELOPMENTS CONSIST OF FOUR TUNNELS, 800 , 200 , 80 AND 70 FT. LONG, ALONG THE OUTCROP, WITH A FEW SHALLOW SHAFTS. 3,500 FT. OF DRIFTING AND CROSSCUTTING.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PRONOUNCED GOSSAN OUTCROP, SPREADING IN PLACES TO OVER 100 FT. IN WIDTH, AND TRENDING NE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1978 Fraticelli, L. A. (Albers, J.) 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.