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  3. Mineral Resource Data System (MRDS)

Silver Moon

Past Producer in Butte county in California, United States with commodities Gold, Copper, Manganese
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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. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10036006
MRDS ID M023982
Record type Site
Current site name Silver Moon
Alternate or previous names Porphyry Point

Geographic coordinates

Geographic coordinates: -121.57273, 39.85098 (WGS84)
Elevation 762
Relative position 0.5 MI. ESE MAGALIA CAMP

Site location context

Political divisions (FIPS codes)

Butte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Paradise East(quadrangle 1:24,000 scale)

Chico(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Plumas 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 Butte

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 023N 004E 18 California

Comments on the location information

  • UTM ACC. S 1/2 NW 1/4

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Manganese Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -121.57273, 39.85098
ListMap

Economic information

Ore body information

  • Strike N,NW
    Dip E

Comments on the geologic information

  • HOST ROCK DESCRIBED AS DECOMPOSED.

Economic information about the deposit and operations

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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner H. Bartram
    Home office Coutolanc, Ca.

Comments on the workings information

  • SHALLOW CUTS ON VEINS IN DIKE

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1930, MINES AND MINERAL RESOURCES OF BUTTE COUNTY, CALIF: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 26, NO. 4, P. 378-379

General comments

Subject category Comment text
Deposit 32 ACRES ; INFO.SRC : 1 PUB LIT
Deposit VEINS ON BOTH WALLS OF LIGHT-GRAY DIKE, 2 FT. THICK WITH COARSE CUBES OF PYRITE. VEINS 8 IN. THICK ON HANGING WALL AND 3.5 FT. THICK ON FOOTWALL. DEPOSIT PROBABLY LOW GRADE. ANOTHER DIKE DEPOSIT THOROUGHLY DECOMPOSED, SANDY TEXTURE, RED-YELLOW COLOR, WITH SEAMS OF QUARTZ UP TO 1 IN. THICK, STAINED BY GOLD-BEARING MANGANESE OXIDES. LENSES AND BUNCHES OF DECOMPOSED SCHIST STAINED BY MARIPOSITE AND THICKLY PITTED WITH IRON OXIDE, DERIVED FROM PYRITE. ALSO PATCHES OF PARTLY ALTERED SLATE. FOOTWALL CONSISTS OF SERPENTINE. DIKE IS 1800 FT. LONG AND ABOUT 80 FT. THICK. TO SE, IT IS COVERED BY 'LAVA COBBLES', SUPPOSEDLY UNDERLAIN BY A GRAVEL CHANNEL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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.

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.