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Long Dike Mine

Past Producer in Yavapai county in Arizona, United States with commodities Mica, Beryllium, Niobium (Columbium), Tantalum
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10060347
MRDS ID TC10723
Record type Site
Current site name Long Dike Mine
Related records 10113414

Geographic coordinates

Geographic coordinates: -112.50741, 34.00007 (WGS84)
Location accuracy 2000(meters)

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morgan Butte(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 08N 002W 30,31 Arizona

Comments on the location information

  • NEAR BOTTOM OF CANYON.

Commodities

Commodity Importance
Mica Primary
Beryllium Critical Tertiary
Niobium (Columbium) Critical Tertiary
Tantalum Critical Tertiary

Comments on the commodity information

  • MEDIUM GRAINED BOOK MUSCOVITE IN INNER PART OF PEGMATITE DIKE. THE MICA CONSISTS OF CRINKLED, RULED, SHEARED, AND TORN BOOKS OF GREENISH TO YELLOWISH GREEN COLOR. MOST BOOKS ARE TIGHTLY INTERGROWN. 30-80% MICA CONTENT IN DIKE, AVERAGES NEAR 40%.

Materials information

Materials Type of material
Muscovite Ore
Apatite Gangue
Garnet Gangue
Plagioclase Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Amphibole Schist

Nearby scientific data

(1) -112.50741, 34.00007
ListMap

Economic information

Ore body information

  • Strike N65E
    Dip 55-70 NNW
    Thickness 15.24M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Surface
    Overall length 91.44M
    Overall width 5.49M

Comments on the workings information

  • THE CUT, WHICH IS NEAR THE BOTTOM OF THE CANYON, HAS A 20 FT FACE.

Comments on development

  • ECON.COM: PAST PRODUCTION OF SCRAP MICA BY EARL F. ANDERSON.

Reference information

Bibliographic references

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

  • Deposit

    USGS, AZ BUREAU OF MINES, AND U.S. BUREAU OF RECLAMATION, 1969, MINERAL AND WATER RESOURCES OF ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 180, 638 P.

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.

  • Deposit

    JAHNS, R.H., 1952, PEGMATITE DEPOSITS OF THE WHITE PICACHO DISTRICT, MARICOPA AND YAVAPAI COUNTIES, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 162, 105 P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit THE DIKE IS TRACEABLE AT LEAST 1800 FT ALONG THE STRIKE. THERE ARE SEVERAL PODS OF MASSIVE QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Bolm, Karen S. 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.