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

Casa Madera

Past Producer in Tuolumne county in California, United States with commodities Gold, Lead
Map
XML
JSON
KML
C
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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077979
MRDS ID W026074
Record type Site
Current site name Casa Madera
Alternate or previous names Casa Madera Gold Mine Syndicate
Related records 10117770

Geographic coordinates

Geographic coordinates: -120.05849, 38.02075 (WGS84)
Elevation 1219
Relative position ABOUT 8 MILES N.E. OF TUOLUMNE

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hull Creek(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Tuolumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Stanislaus 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 Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
002N 016E 13 California

Comments on the location information

  • COORDINATES APPROXIMATED

Commodities

Commodity Importance
Gold Primary
Lead Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Quartz Gangue

Nearby scientific data

(1) -120.05849, 38.02075
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: THESE CLAIMS ARE NEAR CONTACT OF GABBROIC INTRUSIVE WITH SLATY QUARTZITE AND MICACEOUS SCHISTS. INTRUSIVE BODY EXPOSED JUST N. OF WORKINGS ON MOUNTAINSIDE, SHOWING A SHEETED ZONE, THE PLANE OF WHICH STRIKES N.W. AND DIPS 45 W.

Economic information about the deposit and operations

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

Mining district

District name Basin Slope

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Area 14.165HA

Comments on the workings information

  • 2 ADITS; UPPER ADIT 300 FT. ON SEAM WITHOUT QUARTZ OR GOUGE. JUST INSIDE PORTAL CROSSCUT OF SOUTH STRIKING JOINT SYSTEM, FOLLOWING BUNCHES OF SULFIDE.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1924 , SACRAMENTO FIELD DIV.: CMB REPT. 20 , P. 19 - 20

General comments

Subject category Comment text
Deposit VEIN DEPOSIT
Deposit NO OTHER INFORMATION FOUND.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Albers, J.; Tatkin, T. 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.