Four Square Mine

The Four Square Mine is a gold, lead, tungsten, and silver mine located in Shoshone county, Idaho at an elevation of 2,720 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: Four Square Mine
Secondary: Lucky Winnie Mine
Secondary: Golden Winnie Group
Secondary: Crown Point Group
Secondary: Flagstaff Group
Secondary: Achievement Mine
Secondary: Friday Mine

Commodity

Primary: Gold
Primary: Lead
Primary: Tungsten
Primary: Silver
Tertiary: Zinc
Tertiary: Copper

Location

State: Idaho
County: Shoshone
District: Coeur D'Alene 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: Underground

Ownership

Owner Name: Can-Am Gold Mining Co.

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Discovery Year: 1884
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: Bitterroot Mountains

Mineral Deposit Model

Not available

Orebody

Form: RIBBON, IRREGULAR, KIDNEY

Structure

Type: L
Description: Faults Displace Veins 1 To 20 Ft

Alterations

Alteration Type: L
Alteration Text: Some Gouge; Ankerite; Sericite; Chlorite; Silicification

Rocks

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

Analytical Data

Analytical Data: MILL FEED 1934 CONTAINED 0.17 OZ/TON AU

Materials

Ore: Chalcopyrite
Ore: Gold
Ore: Scheelite
Ore: Galena
Gangue: Apatite
Gangue: Quartz
Gangue: Pyrite
Gangue: Tourmaline
Gangue: Pyrrhotite

Comments

Comment (Production): ABOUT $250,000 TOTAL PRODUCTION FROM THE FOUR SQUARE (ITEM 8), AND $600,000 PRODUCED FROM CROWN POINT BEFORE 1968. ITEM 9 SHIPPED FROM CROWN POINT.

Comment (Development): 23 UNPATENTED CLAIMS; 3 PATENTED CLAIMS; INCLUDES OLD ACHIEVEMENT MINE WHICH PRODUCED W AND AU BEFORE THE 1950'S, WITH MILL, CAMP, AND ARRASTRE.

Comment (Deposit): NO. 1 VEIN STRIKES N 60 DEG W, DIPS 55 DEG N; NO. 2 VEIN STRIKES N 63 DEG W TO N 80 DEG W, DIPS 40 TO 60 DEG N. CROWN POINT VEIN STRIKES N 15 TO 40 DEG E, DIPS 70 DEG E TO VERTICAL.

References

Reference (Deposit): 1975 COMPILE USBM, 1974 MINING ACTIVITY

Reference (Production): SHENON, P. J., 1938 , IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 47 . RANSOME AND CALKINS, 1908 , USGS PP 62

Reference (Deposit): SHENON, P. J., 1938 , GEOLOGY AND ORE DEPOSITS NEAR MURRAY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 47 , 44 P.

Reference (Deposit): WESTERN MINING NEWS, APRIL 17 , 1974

Reference (Deposit): SPOKANE CHRONICLE, MAY 30 , 1974

Reference (Deposit): USBM, 1975 , ACTIVITY OF IDAHO MINING PROPERTIES, 1974 , USBM, BOISE, 61 P.

Reference (Deposit): 5) UMPLEBY, J. B., AND JONES, E. L., JR., 1923 , GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO: USGS BULL. 732 , 156 P.

Reference (Deposit): 6) RANSOME, F. L., AND CALKINS, F. C., 1908 , THE GEOLOGY AND ORE DEPOSITS OF THE COEUR D'ALENE DISTRICT, IDAHO: USGS PROF. PAPER 62 , 203 P.

Reference (Deposit): 7) RANSOME, F. L., 1905 , ORE DEPOSITS OF THE COEUR D'ALENE DISTRICT, IDAHO: USGS BULL. 260 , P. 274 - 303

Reference (Deposit): 1905 OTHER F. L. RANSOME, BULL. 260

Reference (Deposit): 1908 GEOLMAP RANSOME AND CALKINS, PROF. PAPER 62

Reference (Deposit): 1923 GEOLMAP UMPLEBY AND JONES, BULL. 732

Reference (Deposit): 1938 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 47

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.