Doerr Mine

Past Producer in Latah county in Idaho, United States with commodities Mica, Beryllium
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10105788
MRDS ID W015893
Record type Site
Current site name Doerr Mine
Alternate or previous names Bentz Claim
Related records 10217029

Geographic coordinates

Geographic coordinates: -116.56963, 46.87986 (WGS84)
Elevation 1111
Relative position 5 MI NE OF STANFORD; ABOUT 6.5 MI N OF DEARY

Site location context

Political divisions (FIPS codes)

Latah(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sand Mountain(quadrangle 1:24,000 scale)

Potlatch(quadrangle 1:100,000 scale)

Pullman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clearwater(hydrologic unit)

Clearwater(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Latah

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 041N 002W 22 Idaho

Comments on the location information

  • 2 MI S OF LINDQUIST PROPERTY. 3000 FT SE OF MUSCOVITE MINE; ADJOINS GILLIS LEASE; PROPERTY ON CREST AND FLANKS OF SE-TRENDING SPUR OF MAIN RIDGE ON WHICH MUSCOVITE MINE IS LOCATED.

Commodities

Commodity Importance
Mica Primary
Beryllium Critical Tertiary

Materials information

Materials Type of material
Molybdenite Gangue
Quartz Gangue

Analytical data

Result BULK SAMPLE CONTAINED 0.021% BEO. AVG GRADE LESS THAN 0.5 LB SHEET MICA/TON OF PEGMATITE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;;Basalt Sill
    Rock description Pegmatite;;Basalt Sill
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Muscovite-Biotite-Quartz Schist, Gneiss
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -116.56963, 46.87986

Economic information

Geologic structures

Type of structure Regional
Structure description Steeply Dipping W Limb Of Anticline Of Great Width
Type of structure Local
Structure description Foliation Parallel To Bedding Which Strikes Due N, Dips 50 Deg W To Vertical

Ore body information

  • General form LENTICULAR
    Strike N
    Dip 82 DEG W
    Thickness 2.44M
    Length 365.76M
    Width 70.1M

Controls for ore emplacement

  • Wall Zone Of Pegmatite

Comments on the geologic information

  • SCHISTOSITY STRIKES N 10 DEG E TO N 10 DEG W AND DIPS W BETWEEN 75 DEG AND VERTICAL

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1914
Year of first production 1914

Mining district

District name Avon Mica District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner F. Eichelberger And C. J. Montag And Sons; D. J. Carlson
  • Type Owner
    Owner L. B. Richards
    First year 1968

Comments on the production information

  • RECOVERY OF 2.5 LB/TON PEGMATITE MINED. PRODUCTION OF CRUDE MICA ABOUT 1927.

Workings at the site

  • Type of workings Surface/Underground
    Length 182.88M
    Overall depth 16.76M
    Overall length 781.81M

Comments on development

  • ECON.COM: COMMERCIAL MUSCOVITE BOOKS 6 BY 8 INCH SIZE

Reference information

Bibliographic references

  • Deposit

    STOLL, W. C., 1950, MICA AND BERYL PEGMATITES IN IDAHO AND MONTANA: U. S. GEOLOGICAL SURVEY PROF. PAPER 229, 64 P.

  • Deposit

    ANDERSON, A. L., 1925, MICA DEPOSITS OF LATAH COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 14, 14 P.

  • Deposit

    HUBBARD, C. R., 1957, MINERAL RESOURCES OF LATAH COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPT. 2, P. 20.

  • Deposit

    PATTEE, E. C., AND OTHERS, 1968, BERYLLIUM RESOURCES OF IDAHO, WASHINGTON, MONTANA, AND OREGON: US BUR MINES REPT. INV. 7148, P. 25, 46-48.

  • Deposit

    5) REED, G. C., 1946, EXPLORATION OF THE AVON MICA DISTRICT LATAH COUNTY, IDAHO: US BUR MINES REPT. INV. 3898, P. 17-18.

  • Deposit

    1925 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 14

  • Deposit

    1943 DIREXPL US BUR MINES, REPT. INV. 3898

  • Deposit

    1943 RECON W. C. STOLL, PROF. PAPER 229

  • Deposit

    1957 RECON IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2

  • Deposit

    1958 RECON US BUR MINES REPT. INV. 7148

  • Production

    STOLL, W. C., 1950, USGS PROF. PAPER 229, 64 P. { HUBBARD, C. R., 1957, IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2, P. 20 { LESURE, F. G., 1964, IDAHO BUREAU OF MINES AND GEOLOGY SPEC. REPT. 1, P. 131. { REED, G. C., 1946, US BUR MINES REPT. INV. 3898, P. 6.

General comments

Subject category Comment text
Deposit PEGMATITE STRIKES, DIPS PARALLEL TO ENCLOSING SCHIST. SERIES OF PEGMATITES EXPOSED OVER N TO S DISTANCE OF 1200 FT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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

External references