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Lone Tree

Past Producer in Mariposa 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. Nearby scientific data
  8. Ore body information
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10076894
MRDS ID W024188
Record type Site
Current site name Lone Tree
Related records 10285909

Geographic coordinates

Geographic coordinates: -120.00709, 37.26104 (WGS84)
Elevation 305

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Illinois Hill(quadrangle 1:24,000 scale)

Merced(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008S;007S 018E;018E 04;33 California

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

(1) -120.00709, 37.26104
ListMap

Economic information

Ore body information

  • Width 91.44M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1905

Comments on the production information

  • MINE PRODUCED CARBONATE ORE TO DEPTH OF 150 FT., SULFIDES BELOW THAT.

Workings at the site

  • Type of workings Underground
    Overall depth 60.96M

Comments on the workings information

  • 1908 : SEVERAL SHAFTS BETWEEN 25 - 100 FT. DEEP, ONE MAIN SHAFT 200 FT. DEEP WITH DRIFTS AND STOPES ON 150 FT. LEVEL.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINE AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 228 - 229 .

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 268 .

General comments

Subject category Comment text
Deposit WITHIN MINERALIZED ZONE ARE TWO WELL - DEFINED VEINS BETWEEN WHICH WALL ROCKS ARE MORE OR LESS MINERALIZED.
Deposit OPERATED AS PART OF GREEN MOUNTAIN MINE IN EARLY 1900'S.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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.