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

Ajax

Producer in Clear Creek county in Colorado, United States with commodities Mica, Feldspar, Quartz
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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10108369
MRDS ID DC05110
Record type Site
Current site name Ajax
Alternate or previous names Floyd Hill

Geographic coordinates

Geographic coordinates: -105.43615, 39.74777 (WGS84)
Relative position N. WALL CLEAR CR. CANYON AT 7960 ALT.

Site location context

Political divisions (FIPS codes)

Clear Creek(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Saddleback Mountain(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Clear Creek

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 03S 72W 34 Colorado

Commodities

Commodity Importance
Mica Primary
Feldspar Primary
Quartz Primary

Materials information

Materials Type of material
Feldspar Ore
Mica Ore
Quartz Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -105.43615, 39.74777
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: IRREGULAR POD OF PEGMATITE. N85E, 30-50S, DISCORDANT TO BEDDING AND SCHISTOSITY. ZONED, QTZ. CORE WITH SOME ALBITE AND MUSCOVITE, PARTLY SERICITIZED; OUTER ZONES ALBITE AND MUSCOVITE WITH SOME BIOTITE. ACC. MIN: BIOTITE, BLACK TOURMALINE

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    USBM MINERAL EXAM. FILE

  • Deposit

    USGS P.P. 227, 1950, PG 28

  • Deposit

    GSA BULL., 1954, V. 65, NO. 2, PG. 124 (TABLE 1)

  • Deposit

    CONSV. DIV. COMP. DATE, 6,63

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files U.S. Geological Survey
Updater 01-JAN-1974 Unknown 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.