Excelsior

Past Producer in Nevada county in California, United States with commodities Gold, Iron, Copper, Zinc, Arsenic
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  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 10007669
MRDS ID C012001
Record type Site
Current site name Excelsior
Related records 10164743

Geographic coordinates

Geographic coordinates: -120.50713, 39.39545 (WGS84)
Elevation 2164
Relative position 1 MI. S SUMMIT CITY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

English Mountain(quadrangle 1:24,000 scale)

Truckee(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 Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 013E 27 California

Comments on the location information

  • UTM ACC. NW 1/4 SW 1/4 AND SW 1/4 NW 1/4

Commodities

Commodity Importance
Gold Primary
Iron Secondary
Copper Secondary
Zinc Critical Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Vein Oxidized At Surface

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -120.50713, 39.39545

Economic information

Ore body information

  • General form DISCONTINUOUS
    Strike N 30 W
    Dip NE 50 SW
    Thickness 13.72M
    Depth to top 0M

Comments on the geologic information

  • FREE AU OCCURS ONLY IN DECOMPOSED SULFIDES

Economic information about the deposit and operations

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

Mining district

District name Meadow Lake

Land status

Ownership category National Forest

Comments on the production information

  • ORE EST. TO CARRY 10 - 20 % SULFIDES

Workings at the site

  • Type of workings Surface/Underground
    Length 274.32M
    Overall depth 54.86M

Comments on the workings information

  • SHAFT, 2 LEVELS, DRIFTING, TUNNELS, TRENCHES OPENCUTS

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1924 , SACRAMENTO FIELD DIVISION: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 20 , NO. 4 , P. 357 - 358 , 361 .

  • Deposit

    MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 168 .

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964 , MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2 , P. 43 .

  • Production

    LOGAN ( 1924 )

General comments

Subject category Comment text
Deposit VEIN, AVG. 15 FT. THICK
Deposit 4 PATENTED CLAIMS. INCL. EXCELSIOR NO. 1 , EXCELSIOR NO. 2 , UNION NO. 1 AND UNION NO. 2 ; 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 PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

External references

Authoritative California resources

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