Federal Loan & Consols

Past Producer in Nevada county in California, United States with commodities Gold, Copper, Lead
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. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10101285
MRDS ID C011489
Record type Site
Current site name Federal Loan & Consols
Alternate or previous names Federal Loan Quartz Mine
Related records 10140330

Geographic coordinates

Geographic coordinates: -120.96214, 39.26628 (WGS84)
Elevation 792
Relative position 2.5 MI. E NEVADA CITY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

North Bloomfield(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)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 009E 09,10 California

Comments on the location information

  • UTM. ACC SW 1/4 NW 1/4 SEC. 10

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Analytical data

Result CONCENTRATES AVG. $100/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Calaveras Formation
    Rock description Calaveras Formation

Nearby scientific data

(1) -120.96214, 39.26628

Economic information

Ore body information

  • Strike N 80 E
    Dip 45 S
    Thickness 1.22M
    Depth to top 0M

Comments on the geologic information

  • CALAVERAS FM. NEAR GRANODIORITE CONTACT

Economic information about the deposit and operations

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

Mining district

District name Nevada City

Comments on the production information

  • CREDITED W/ PRODUCTION OF $200,000 , AVG VALUE ORE $15 AU/TON

Workings at the site

  • Type of workings Underground
    Length 304.8M
    Overall depth 304.8M

Comments on the workings information

  • SHAFT & EXTENSIVE DRIFTING

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 .

  • Deposit

    MAC BOYLE, E., 1919 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 169 .

  • Deposit

    HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 290 .

General comments

Subject category Comment text
Deposit VEIN, AVG 1 FT. THICK, 4 - 6 % SULFIDES
Deposit PATENTED 17.40 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 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.

Authoritative California resources

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