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  3. Mineral Resource Data System (MRDS)

Monarch

Past Producer in Sierra 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10086594
MRDS ID X025578
Record type Site
Current site name Monarch
Alternate or previous names Alconda, Mountain Lily, Homestake, Miner's Dream, Independence, No. 1 Snowflake
Related records 10116695

Geographic coordinates

Geographic coordinates: -120.67547, 39.59155 (WGS84)
Relative position 2 MI. NW OF SIERRA CITY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sierra City(quadrangle 1:24,000 scale)

Portola(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)

Federal lands

Tahoe 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 Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 020N 012E 18,19 California

Comments on the location information

  • UTM ACC. SW 1/4 18 NW 1/4 19

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • RICH ORE SHOOT 150 FT. ALONG FTWALL.

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.67547, 39.59155
ListMap

Economic information

Ore body information

  • Strike N 38 W
    Dip 62 E
    Thickness 2.13M

Comments on the geologic information

  • 6 FT. AVE. THICK LODE OF QTZ. STRINGERS, DIPS 60 - 65 E, IN DECOMPOSED AMPHIBOLITE AT CONTACT OF SERPENTINE, AMPHIBOLITE & SLATE. SERPENTINE FOOTWALL, HANGING WALL SLATE & OXIDIZED AMPHIBOLITE.

Economic information about the deposit and operations

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

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND.

Workings at the site

  • Type of workings Underground
    Area 210.444HA
    Overall length 3657.6M

Comments on the workings information

  • 100 FT. SHAFT, 225 FT. CROSSCUT

Reference information

Bibliographic references

  • Deposit

    MCCULLOCH, W. C., OESTERLING, W. A., SPURCK, W. H., & TISCHLER, M. S., 1964 , MINERALS FOR INDUSTRY, N CALIF.: SO. PACIFIC COMPANY, VOL. 2 , P. 52 .

  • Deposit

    AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 60 .

  • Deposit

    MACBOYLE, E., 1920 , MINES AND MINERAL RESOURCES SIERRA CO.: CSMB 16TH REPORT STATE MINERALOGIST, DEC. 1918 , P. 103 , 104 .

  • Production

    MACBOYLE, 1918

General comments

Subject category Comment text
Deposit VEIN, ORE SHOOT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (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.