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

Amzy, Great Sphinx

Occurrence in Boulder county in Colorado, United States with commodity Tungsten
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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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10017509
MRDS ID DC03692
Record type Site
Current site name Amzy, Great Sphinx

Comments on the site identification

  • If additional information about either mine is located, these should be split into two records. The geographic relationship of the two mines is not known.

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.3685, 40.03109 (WGS84)
Location accuracy 500(meters)
Relative position Both "mines" In SW4 sec. 20.

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boulder(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Vrain(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 01N 71W 20 Colorado

Comments on the location information

  • Amzy: Sec. 20,on N slope of Arkansas Mtn., south of Fourmile Creek. Great Sphinx: SW4 of Sec. 20, S. of Crisman.

Commodities

Commodity Importance
Tungsten Critical Primary

Nearby scientific data

Main Entrance (1) -105.3685, 40.03109
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Edward Bonelli (Great Sphinx)
    Year 1960
  • Type Operator
    Owner A.B. Weldon (Great Sphinx)
    Year 1960
  • Type Owner
    Owner Skydale, Inc. (Amzy)
    Year 1960
  • Type Operator
    Owner Doc Hill (Amzy)
    Year 1960

Reference information

Bibliographic references

  • Deposit

    STATE OF COLO. METAL MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLO.

  • Deposit

    CONSV. DIV. COMP. DATE, 1,62

General comments

Subject category Comment text
Deposit FULL INFO BY MINE NAME IN REFERENCE

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files 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 Colorado resources

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