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  3. Mineral Resource Data System (MRDS)

Boulder Prospect

Occurrence in Maricopa county in Arizona, United States with commodity Mercury
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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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10092577
MRDS ID M055124
Record type Site
Current site name Boulder Prospect
Related records 10137957

Geographic coordinates

Geographic coordinates: -112.04379, 33.56674 (WGS84)
Relative position BASE OF SQUAW PEAK

Site location context

Political divisions (FIPS codes)

Maricopa(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sunnyslope(quadrangle 1:24,000 scale)

Phoenix North(quadrangle 1:100,000 scale)

Phoenix(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Salt(hydrologic unit)

Salt(hydrologic accounting unit)

Salt(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Maricopa

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 003N 003E 34 Arizona

Comments on the location information

  • NOT LOCATED ON QUAD. LOCATION FROM BLM CLAIM SHEET 7A F4 BLM CLAIM SHEET 71 ; INFO FROM LAND.ST :(1978)

Commodities

Commodity Importance
Mercury Tertiary

Materials information

Materials Type of material
Cinnabar Ore

Nearby scientific data

(1) -112.04379, 33.56674
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1917
Discoverer L.L. Brunson, Gus Alsted

Mining district

District name Phoenix Mountains District

Land status

Ownership category State Park

Comments on development

  • PROPERTY CONSISTS OF 11 CLAIMS INCLUDING LAST CHANCE 1 AND 2, BOULDER CLAIMS 1-9.

Reference information

Bibliographic references

  • Deposit

    USGS, 1918, BULL. 690-D

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    USBM-FILE DATA CLUSTER NO 524-BOULDER GROUP

General comments

Subject category Comment text
Deposit VERY MINOR OCCURRENCE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1973 Bergquist, Joel R. 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 Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.