Doerr Mine

The Doerr Mine is a mica mine located in Latah county, Idaho at an elevation of 3,645 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Doerr Mine  

State:  Idaho

County:  Latah

Elevation: 3,645 Feet (1,111 Meters)

Primary Mineral: Mica

Lat, Long: 46.88, -116.56860

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Doerr Mine

Doerr Mine MRDS details

Site Name

Primary: Doerr Mine
Secondary: Bentz Claim


Commodity

Primary: Mica
Tertiary: Beryllium


Location

State: Idaho
County: Latah
District: Avon Mica District


Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: L. B. Richards
Years: 1968 -

Owner Name: F. Eichelberger And C. J. Montag And Sons; D. J. Carlson


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1914
Discovery Year: 1914
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Clearwater Mountains - Palouse Range


Mineral Deposit Model

Not available


Orebody

Form: LENTICULAR


Structure

Type: R
Description: Steeply Dipping W Limb Of Anticline Of Great Width

Type: L
Description: Foliation Parallel To Bedding Which Strikes Due N, Dips 50 Deg W To Vertical


Alterations

Not available


Rocks

Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous


Analytical Data

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


Materials

Gangue: Molybdenite
Gangue: Quartz


Comments

Comment (Location): 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.

Comment (Production): RECOVERY OF 2.5 LB/TON PEGMATITE MINED. PRODUCTION OF CRUDE MICA ABOUT 1927.

Comment (Development): ECON.COM: COMMERCIAL MUSCOVITE BOOKS 6 BY 8 INCH SIZE

Comment (Deposit): PEGMATITE STRIKES, DIPS PARALLEL TO ENCLOSING SCHIST. SERIES OF PEGMATITES EXPOSED OVER N TO S DISTANCE OF 1200 FT

Comment (Geology): SCHISTOSITY STRIKES N 10 DEG E TO N 10 DEG W AND DIPS W BETWEEN 75 DEG AND VERTICAL


References

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

Reference (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.

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

Reference (Deposit): 1925 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 14

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

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

Reference (Deposit): 1957 RECON IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 2

Reference (Deposit): 1958 RECON US BUR MINES REPT. INV. 7148

Reference (Deposit): 1943 DIREXPL US BUR MINES, REPT. INV. 3898

Reference (Deposit): 1943 RECON W. C. STOLL, PROF. PAPER 229

Reference (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.


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