Chester Mine

The Chester Mine is a silver mine located in Shoshone county, Idaho at an elevation of 3,301 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

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.

Site Name

Primary: Chester Mine

Commodity

Primary: Silver
Tertiary: Copper
Tertiary: Lead

Location

State: Idaho
County: Shoshone
District: Coeur D' Alene District (Evolution)

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: Underground

Ownership

Owner Name: Chester Min. Co.; Hecla ( 54.2 % )

Owner Name: Hecla (Sunshine Min. Co.)

Production

Year: 1966
Material type: ORE
Description: Ap_Grade: ^47.44 Oz Ag/Ton
Year: 1967
Material type: ORE
Description: Ap_Grade: ^36.89 Oz Ag/Ton
Year: 1968
Material type: ORE
Description: Ap_Grade: ^33.7 Oz. Ag/Ton
Year: 1969
Material type: ORE
Description: Ap_Grade: ^23.32 Oz Ag/Ton
Year: 1971
Material type: ORE
Description: Ap_Grade: ^12.63 Oz. Ag/Ton
Year: 1970
Material type: ORE
Description: Ap_Grade: ^32.39 Oz. Ag/Ton
Year: 1972
Time Period: 1961 - 1972
Material type: ORE
Description: Cp_Grade: ^39.3 Oz. Ag/Ton
Year: 1974
Material type: ORE
Description: Ap_Grade: ^11 Oz. Ag/Ton

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
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: Coeur D'Alene Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: L
Description: Polaris And Silver Summit Faults

Alterations

Not available

Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Not available

Comments

Comment (Reserve-Resource): ONLY 1400 TONS ORE KNOWN IN APRIL, 1973 ; AFTER BEING WORKED PROFITABLY BY HECLA FOR MANY YEARS, ORE BODY WAS ANNOUNCED DEPLETED.

Comment (Reserve-Resource): ITEM 2 REFERS TO 1969 RESERVES FROM THE 4600 FT LEVEL. RESERVES WERE EXPECTED TO BE DEPLETED BY END OF 1968 ; ORE RESERVES WERE DEPLETED AT END OF 1974.

Comment (Production): THE 1974 RECOVERY WAS 4519 OZ. AG; 1971 WAS 2475 OZ. AG; 1970 WAS 195,571 OZ AG; 1967 WAS 2,173,131 OZ AG; 1966 WAS 2,850,336 OZ AG. THE 1965 PRODUCTION WAS 50423 TONS ORE, AT 41.44 OZ/TON, 2,089,447 OZ AG RECOVERED

Comment (Development): 12 ACRES; 200 FT WIDE STRIP ON EACH SIDE OF CHESTER VEIN. 12726 FT OF DIAMOND DRILLING BY END OF 1967. WORK BEING DONE FROM THE SUNSHINE 5400 FT LEVEL. 6 UNPATENTED CLAIMS.

Comment (Workings): CHESTER AREA IS 400 FT WIDE BY 1500 FT. LONG ADJOINING SUNSHINE UNIT AREA.

References

Reference (Deposit): SPOKANE CHRONICLE, APRIL 5, 1971, APRIL 3, 1970; MAR. 1, 1968; AP. 9, 1975

Reference (Deposit): WESTERN MINING NEWS, 1974 - 75 DIRECTORY OF MINES IN IDAHO (COEUR D'ALENES) AND WASHINGTON, P. 31.

Reference (Deposit): HANSEN, O. T., 1966 , 66TH ANN. REPT. OF THE MINING INDUSTRY OF IDAHO FOR 1966 , P. 92

Reference (Deposit): 1966 COMPILE IDAHO MINE INSPECTOR'S 66TH ANN. REPT

Reference (Production): SPOKANE CHRONICLE, AP. 5 , 1971 ; AP. 5 , 1972 ; AP. 3 , 1970 ; MAR. 1 , 1968 ; FEB. 24 , 1967 ; AP. 9 , 1975 ; MAR. 13 , 1969

Reference (Reserve-Resource): WESTERN MIN. NEWS, 1974 - 75 DIRECTORY OF MINES IN IDAHO AND WASH., P. 31.

Idaho Gold

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.