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  3. Mineral Resource Data System (MRDS)

Spring Hill

Past Producer in Nevada county in California, United States with commodities Gold, Copper, Silver
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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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10101243
MRDS ID C011203
Record type Site
Current site name Spring Hill

Geographic coordinates

Geographic coordinates: -121.04325, 39.226 (WGS84)
Elevation 792
Relative position 1 MI. NE 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 Bear(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 016N 008E 23,26 California

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Silver Secondary

Materials information

Materials Type of material
Chlorite Gangue
Quartz Gangue
Talc Gangue

Alteration

  • (Local) Greenstones Highly Carbonitized Along Veins

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -121.04325, 39.226
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faulting?

Ore body information

  • Strike E
    Dip S
    Depth to top 0M

Economic information about the deposit and operations

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

Workings at the site

  • Type of workings Underground
    Length 914.4M
    Overall depth 579.12M

Comments on the workings information

  • SHAFT, DRIFTS, CROSSCUTS, RAISES APPROX. 6000 FT. OF DIAMOND DRILLING

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 P. 429 , 464 .

  • Deposit

    LOGAN, C. A., 1935 , REVIEW OF GOLD MINING IN EAST - CENTRAL CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 31 , NO. 1 , P. 16 .

  • Deposit

    ERIC, J. C., 1948 , TABULATION OF COPPER DEPOSITS IN CALIFORNIA IN COPPER IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 144 , P. 280 .

  • Deposit

    JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 93 - 94 .

General comments

Subject category Comment text
Deposit VEINS
Deposit PATENTED 30 ACRES ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-79 Bowman, J. And Albers, J. U.S. Geological Survey EDITED COMMODITY SIGNIICANCE FIELDS
Updater 05-DEC-97 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 07-APR-95 Mosier, Dan 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.