Alcade

Past Producer in Nevada county in California, United States with commodity Gold
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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10007313
MRDS ID C011022
Record type Site
Current site name Alcade
Alternate or previous names Bowery, Seven Thirty, Kenosha

Geographic coordinates

Geographic coordinates: -121.1216, 39.196 (WGS84)
Elevation 671
Relative position 4 MI SW GRASS VALLEY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grass Valley(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 015N 008E 05,06 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite

Nearby scientific data

(1) -121.1216, 39.196

Economic information

Ore body information

  • Strike N 17 W
    Dip 45 - 75 W
    Thickness 0.61M
    Depth to top 0M

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

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

Mining district

District name Deadman'S Flat

Production statistics

  • Year 1868
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 68g/mt
  • Year 1869
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 217g/mt
  • Year 1871
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 269g/mt

Comments on the production information

  • PRODUCTION FIGURES ARE FOR 1 DAY IN EACH YEAR. 1918 - 1923 PROSPECTING CONTINUED AT INTERVALS. 1923 - FEW THOUSAND DOLLARS OF HIGH GRADE ORE REMOVED.

Workings at the site

  • Type of workings Underground
    Overall depth 224.03M

Comments on the workings information

  • SHAFTS, DRIFTING, RAISES, STOPES

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , P. 381 .

  • Deposit

    LOGAN, C. A., 1930 , SACRAMENTO FIELD DIVISION: REPORT XXVI OF THE STATE MINERALOGIST: CALIFORNIA DIVISION OF MINES VOL. 26 , NO. 2 , P. 101 .

  • Deposit

    MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 111 - 112 .

  • Production

    LOGAN, 1941 .

General comments

Subject category Comment text
Deposit VEIN, AVG. 6 IN. THICK W/2 - 3 % SULFIDES
Deposit UNPATENTED GROUP OF 12 CLAIMS KNOWN FOR SPECIMEN ORE. INCLUDES ECLIPSE, HIDDEN TREASURE, ACCIDENTAL, OXFORD, DIAMOND, PHILADELPHIA, STONEWALL JACKSON, JOHNSON, GOULD, CURRY, SOUTH CURRY, INDIANA AND SOUTH STANDARD 200 ACRES. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Bowman, J. And Albers, J. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.