1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

New Era and Brush Fence Mines

Past Producer in Placer county in California, United States with commodity Gold
Map
XML
JSON
KML
D
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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10007711
MRDS ID C012194
Record type Site
Current site name New Era and Brush Fence Mines
Related records 10164349

Geographic coordinates

Geographic coordinates: -121.11297, 38.89239 (WGS84)
Elevation 256
Relative position 3/4 MI. SE OPHIR

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Auburn(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 008E 17 California

Comments on the location information

  • UTM ACC S 1/2 , NE 1/4 , SW 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -121.11297, 38.89239
ListMap

Economic information

Ore body information

  • Strike NW
    Dip SW
    Thickness 0.61M

Economic information about the deposit and operations

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

Mining district

District name Ophir

Reference information

Bibliographic references

  • Deposit

    WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, PL. FACING P. 318 .

  • Deposit

    LINDGREN, W., 1894 , THE GOLD-SILVER VEINS OF OPHIR, CALIFORNIA: 14TH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY, PART 2 , P. 260 , PL. 17 .

General comments

Subject category Comment text
Deposit VEIN 1 AVG. 1 - 2 FT. THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Nelson, Scott C. (Albers, John, P.) 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.

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.