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

April Fool Claims

Occurrence in Inyo county in California, United States with commodity Manganese
Map
XML
JSON
KML
D
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10033467
MRDS ID M020030
Record type Site
Current site name April Fool Claims
Alternate or previous names Keegan Claims
Related records 10188212

Geographic coordinates

Geographic coordinates: -116.76866, 35.87888 (WGS84)
Relative position 32 MI. BY ROAD W. OF ZOBRISKIE, A STATION ON THE TONOPAH AND TIDEWATER RAILWAY. ONE MI. N. OF THE LOW MOUNTAINS IMMEDIATELY NORTH OF OWL LAKE.

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Anvil Spring Canyon East(quadrangle 1:24,000 scale)

Owlshead Mountains(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Death Valley-Lower Amargosa(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Death Valley National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California Inyo

Commodities

Commodity Importance
Manganese Critical Tertiary

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -116.76866, 35.87888
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: ORE LOW IN SPECIFIC GRAVITY IS A POROUS, TUFFACEOUS BOG MANGANESE ORE, AND A MAXIMUM THICKNESS OF 18 INCHES AT THE APRIL FOOL CLAIM. THIN LAYERS OF PINK CLAYEY MATERIAL GIVE ORE A DECIDED BONDED APPEARANCE. A SAMPLE ANALYSIS OF THE ORE WAS 32.2 PERCENT MANGANESE, 30.2 PERCENT INSOLUBLE. THE MN NO. 1 CLAIM IS 1/4 MI. S. E. OF APRIL FOOL, AND WHAT IS THOUGHT TO BE THE SAME MANGANESE BEARING BED IS EXPOSED IN A BED OF DRY WASH, WITH MAXIMUM THICKNESS OF 30 INCHES. ORE ANALYSIS WAS 20.6 PERCENT MANGANESE, 42.2 PERCENT INSOLUBLE. AT MN. NO. 4 CLAIM, 1/4 MI N.E. OF MN NO. 1 , A WELL DEFINED VEIN, OF HARD BLACK METALLIC OXIDE AND SCATTERED BOULDERS OF WASTE ROCK, CUT THE CONGLOMERATE WITH A STRIKE OF N 60 W AND DIPPING STEEPLY TO THE NORTH. MAXIMUM THICKNESS OF THE VEIN IS 6 FEET, AND IS EXPOSED FOR 25 FEET ALONG STRIKE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 80

  • Deposit

    D.O.M. BULL. 125 1943 P. 121

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1977 Killman, K.; 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.