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  3. Mineral Resource Data System (MRDS)

Jeff Molly No. 1

Occurrence in Nevada county in California, United States with commodity Copper
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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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10092478
MRDS ID M011954
Record type Site
Current site name Jeff Molly No. 1
Related records 10139685

Geographic coordinates

Geographic coordinates: -120.58131, 39.43822 (WGS84)
Relative position E1/2 NE1/4

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 012E 12 California

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Ore
Pyrite Ore
Pyrrhotite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock

Nearby scientific data

(1) -120.58131, 39.43822
ListMap

Economic information

Ore body information

  • Thickness 1.52M

Comments on the geologic information

  • GEOL.DESC: COUNTY ROCKS ARE METAVOLCANICS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the workings information

  • PIT

Reference information

Bibliographic references

  • Deposit

    MINERALS FOR INDUSTRY, NORTHERN CALIF.; SUMMARY OF GEOLOGICAL SURVEY OF 1955 - 1961 , VOL. 2 ; SOUTHERN PACIFIC CO., 1964 P. 2

General comments

Subject category Comment text
Deposit DEPOSIT NEAR GRANODIORITE PLUTON

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-NOV-1978 Fraticelli, L. A. (Albers, J.) 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.