Fourth of July Sourdough Mine

The Fourth of July Sourdough Mine is a antimony mine located in Shoshone county, Idaho at an elevation of 2,270 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: Fourth of July Sourdough Mine
Secondary: Antimony Min. Co.
Secondary: Coeur D'Alene and Pine Creek

Commodity

Primary: Antimony
Secondary: Gold
Tertiary: Lead
Tertiary: Copper
Tertiary: Silver
Tertiary: Zinc

Location

State: Idaho
County: Shoshone
District: Coeur D'Alene District (St. Joe)

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: Fourth Of July Silver, Inc.

Production

Year: 1916
Time Period: 1885 - 1916
Material type: ORE
Description: Cp_Grade: ^36.36 % Sb, 0.24 Oz Au / Ton

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1885
Discovery Year: 1885
Discovery Method: Ore-Mineral In Place
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

Form: POCKETS

Structure

Type: L
Description: Black Gouge Seams

Alterations

Not available

Rocks

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

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

Analytical Data

Analytical Data: HAND PICKED SAMPLES OF ORE ASSAYED 171 OZ AG AND 46 OZ. AG. A 1920 CARLOAD OF CONCENTRATES YIELDED 36.36 % SB, 0.24 OZ. AU / TON

Materials

Ore: Stibnite
Gangue: Pyrite
Gangue: Quartz

Comments

Comment (Production): $ 50,000 ORE PRODUCED. 1000 TONS SB ORE ROASTED. RATIO CONCENTRATION 7 TONS TO 1 , AND AN AVG OF 3 TONS CONCENTRATES PRODUCED DAILY.

Comment (Development): 3 PATENTED CLAIMS AND 240 ACRES FROM ABSORBING ANTIMONY MINING & MILLING CO. PLUS 34 UNPATENTED CLAIMS 6 DDH UP TO 307 FT IN DEPTH

Comment (Deposit): 3 ANOMALOUS AREAS OVER 2000 FT LONG, 3 OVER 1000 FT. LONG

Comment (Workings): 2 CAVED TUNNELS

Comment (Deposit): FOURTH OF JULY SILVER AND ANTIMONY MINING COS. MERGED INTO FOURTH OF JULY SILVER - NOTICE IN SEPT. 28 , 1971 NEWSPAPER

Comment (Location): ALONG PINE CREEK ON THE W SIDE

References

Reference (Deposit): 1970 GEOLMAP FOURTH OF JULY SILVER

Reference (Production): JONES, E. L., JR., 1920 , USGS BULL. 710 , 36 P.

Reference (Deposit): WESTERN MINING NEWS, 1974 , DIRECTORY OF MINING, IDAHO (COEUR D'ALENES) AND WASHINGTON, 1974 - 1975 : SPOKANE, WESTERN MINING NEWS, 163 P.

Reference (Deposit): SPOKANE CHRONICLE, JAN. 10 , 1973 ; AUG 15 , 1972 ; OCT. 1 , 1974 ; SEPT. 28 , 1971 ; APRIL 6 , 1970

Reference (Deposit): JONES, E. L., JR., 1920 , A RECONNAISSANCE OF THE PINE CREEK DISTRICT, IDAHO: USGS BULL. 710 , 36 P.

Reference (Deposit): FRYKLUND, V. C., JR., 1964 , ORE DEPOSITS OF THE COEUR D'ALENE DISTRICT, SHOSHONE COUNTY, IDAHO: USGS PROF. PAPER 445 , 103 P.

Reference (Deposit): 5) UMPLEBY, J. B., AND JONES, E. L., JR., 1923 , GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO: USGS BULL. 732 , 121 P.

Reference (Deposit): 1920 RECON E. L. JONES, BULL. 710

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

Reference (Deposit): 1964 OTHER V. C. FRYKLUND, PROF. PAPER 445

Reference (Deposit): GEOCHEM FOURTH OF JULY SILVER - 6 ANOMALIES

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.