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  3. Mineral Resource Data System (MRDS)

Opal Mountain Clinoptilolite

Prospect in San Bernardino county in California, United States with commodity Zeolites
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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. Economic information about the deposit and operations
  9. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10189690
MAS/MILS ID 0060711846
Record type Site
Current site name Opal Mountain Clinoptilolite
Alternate or previous names Opal Mountain

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -117.18508, 35.1581 (WGS84)
Elevation 1085
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Opal Mountain(quadrangle 1:24,000 scale)

Cuddeback Lake(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Coyote-Cuddeback Lakes(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 032 S 045 E 08 NESWSW California

Commodities

Commodity Importance
Zeolites Primary

Nearby scientific data

Ore Body (1) -117.18508, 35.1581
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Non-metallic
Significant No

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Phelps Dodge (Pdz) Corp.
    Year 1983

Comments on the reserve resource information

  • ESTIMATED RESOURCE OF 2,000,000 ST ZEOLITE. LOWER GRADE THAN MUD HILLS DEPOSIT. OPAL MOUNTAIN IS A LARGE, LARGE DEPOSIT. ZEOLITE MINERAL IS CLINOPTILITE. VERY HIGH BRIGHTNESS, FILLERS, EXTENDERS, LITTER.

Reference information

Bibliographic references

  • Deposit

    STEELHEAD RESOURCES, LTD., 1987 ANNUAL REPORT, SPOKANE, WA.,

  • Deposit

    15 PP.

  • Deposit

    HOLMES, D. A., 1983, OPAL MOUNTAIN CLINOPTILOLITE PROSPECT,

  • Deposit

    SAN BERNARDINO COUNTY, CALIFORNIA: (UNPUBLISHED REPORT)

  • Deposit

    PHELPS DODGE ZEOLITES, 27 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 07-SEP-1993 Federspiel U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Phelps Dodge (Pdz) Corp. — acquired by Subsidiary of Freeport-McMoRan (2007)
    Acquired by Freeport-McMoRan Copper & Gold in 2007 in what was then the largest mining-industry deal ever (~US$26 B).

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

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.