Hope

Past Producer in Sierra county in California, United States with commodity Gold
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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10034783
MRDS ID M021692
Record type Site
Current site name Hope
Alternate or previous names Minnesota Development Grp.
Related records 10213358

Geographic coordinates

Geographic coordinates: -120.82714, 39.45156 (WGS84)
Relative position 1 1/2 MI. SW OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(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 Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 010E 02 California

Comments on the location information

  • UTM EST. SW 1/4 IN HOPE RAVINE?

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

Nearby scientific data

(1) -120.82714, 39.45156

Economic information

Ore body information

  • General form PINCH & SWELL
    Strike WNW
    Dip N
    Thickness 3.05M

Comments on the geologic information

  • SEVERAL PARALLEL QTZ. VEINS 2 - 10 FT. THICK, AVE. 3 FT., W SERPENTINE FOOTWALLS & SLATE HANGING WALLS, BUT SOMETIMES VEIN IS W/1 SLATE. VEINS ON BOTH SIDES CARRY GOUGE, IN PART GRAPHITIC CLAY, W OCCASIONAL TALL SLATE CASINGS.

Economic information about the deposit and operations

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

Comments on the workings information

  • 2 ADITS, ONE 142 FT. LONG, CROSSCUTS, WINZES.

Reference information

Bibliographic references

  • Deposit

    MCCULLOCH, W. C., ETAL, 1964 , MINERALS FOR INDUSTRY, N CALIF.: SO PACIFIC CO., VOL. 2 , P. 35

  • Deposit

    CRAWFORD, J. J., 1894 , SIERRA CO.: CSMB 12TH REPORT STATE MINERALOGIST, P. 379 , 380

General comments

Subject category Comment text
Deposit VEINS

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.

Authoritative California resources

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