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  3. Mineral Resource Data System (MRDS)

Thrower

Past Producer in Madera county in California, United States with commodity Gold
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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 10035131
MRDS ID M022297
Record type Site
Current site name Thrower
Related records 10139565

Geographic coordinates

Geographic coordinates: -119.69069, 37.16355 (WGS84)
Elevation 536
Relative position 1.5 MI. NW OF THE 101 RANCH.

Site location context

Political divisions (FIPS codes)

Madera(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

O'Neals(quadrangle 1:24,000 scale)

Shaver Lake(quadrangle 1:100,000 scale)

Mariposa(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 Madera

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009S 021E 09 California

Comments on the location information

  • UTM EST. N 1/2 SW 1/4 AND S 1/2 NW 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -119.69069, 37.16355
ListMap

Economic information

Ore body information

  • Thickness 0.61M

Economic information about the deposit and operations

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

Comments on the workings information

  • 90 FT. SHAFT. ORE WAS OCCASIONALLY TREATED IN AN ARRASTRA.

Comments on development

  • ECON.COM: ORE SAID TO AVG. $8/TON IN GOLD W/RICH SPOTS

Reference information

Bibliographic references

  • Deposit

    MCLAUGHLIN, R. P. & BRADLEY, W. W., 1914 , MADERA COUNTY: REPORT OF THE STATE MINERALOGIST, V. 14 , P. 552

General comments

Subject category Comment text
Deposit VEIN, 2 FT. THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Nelson, Scott C. (Albers, John, P.) 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.