Steel Smith Mica 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  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 10072071
MRDS ID W015900
Record type Site
Current site name Steel Smith Mica Mine
Alternate or previous names Levi Anderson
Related records 10216519

Geographic coordinates

Geographic coordinates: -116.57133, 46.87516 (WGS84)
Elevation 1237
Relative position 4.75 MI NE OF STANFORD

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

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Latah

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 041N 002W 22,27 Idaho

Comments on the location information

  • 3200 FT S OF MUSCOVITE MINE ON TOP AND SIDES OF STEEP FLAT-TOPPED KNOLL

Commodities

Commodity Importance
Mica Primary
Beryllium Critical Secondary

Materials information

Materials Type of material
Beryl Ore
Muscovite Ore
Biotite Gangue
Quartz Gangue

Alteration

  • (Local) Albitization, Silicification, Muscovitization

Analytical data

Result 1.3 TO 1.8 % BOOK MICA, 0.9 TO 1.25 LBS SHEET MICA/TON OF PEGMATITE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Muscovite-Quartz-Feldspar-Schist And Gneiss

Nearby scientific data

(1) -116.57133, 46.87516

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 Minor Folds Or Rolls In Lens Contacts; Schistosity Strikes N 30 Deg E, Dips 85 Deg Nw

Ore body information

  • General form PIPE-LIKE, LENTICULAR
    Strike S 25 DEG E
    Dip 65 DEG E
    Plunge 50 DEG
    Plunge direction S 37 DEG W
    Thickness 6.1M
    Length 45.72M
    Width 2.44M
    Depth to bottom 30.48M
  • General form PIPE-LIKE, LENTICULAR
    Dip 65 DEG E

Comments on the geologic information

  • WALL ZONE MICA DEPOSIT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1895
Year of first production 1910

Mining district

District name Avon Mica District

Land status

Ownership category National Forest
Area name Clearwater National Forest

Ownership information

  • Type Operator
    Owner E. Ramsdale
    First year 1968

Workings at the site

  • Type of workings Surface/Underground
    Length 153.62M
    Overall length 12.19M
    Overall width 6.1M

Reference information

Bibliographic references

  • Deposit

    STOLL, W. C., 1950, MICA AND BERYL PEGMATITES IN IDAHO AND MONTANA: USGS PROF. PAPER 229, 64 P.

  • Deposit

    HUBBARD, C. R., 1957, MINERAL RESOURCES OF LATAH COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPT. 2, 29 P.

  • Deposit

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

  • Deposit

    PATTEE, E. C., AND OTHERS, 1968, BERYLLIUM RESOURCES OF IDAHO, WASHINGTON, MONTANA, AND OREGON: US BUR MINES REPT. INV. 7148, P. 25, 39.

  • Deposit

    5) REED, G. C., 1946 EXPLORATION OF THE AVON MICA DISTRICT, LATAH COUNTY, IDAHO: US BUR MINES REPT. INV. 3898, P. 16-17.

  • 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 OTHER IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2

  • Production

    HUBBARD, C. R., 1957, IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2. { STOLL, W. C., 1950, USGS PROF. PAPER 229, 64 P. { PATTEE, E. C., AND OTHERS, 1968, US BUR MINES REPT. INV. 7148, P. 25.

General comments

Subject category Comment text
Deposit SECOND PEGMATITE 15 FT THICK PLUNGES 42 TO 60 DEG SSW FOLLOWING PLUNGE OF COMPLEX FOLD. GLEASON PEGMATITE STRIKES N 3 DEG W, DIPS 65 TO 75 DEG W, IS 120 FT LONG, 8 FT WIDE. TONOPAH S CUT PEGMATITE 63 FT LONG, 7 FT THICK, STRIKES N 50 DEG W, DIPS 83 DEG SW.

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.