Hope Mine

Site Name

Primary: Hope Mine
Secondary: Elsie K.

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Commodity

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

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Location

State: Idaho
County: Bonner
District: Clark Fork District

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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.

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Holdings

Not available

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Workings

Type: Unknown

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Ownership

Owner Name: Hope Silver-Lead Mines, Inc.

Owner Name: Glenn C. Lee,Elmer Shields,Ross Derr

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Production

Year: 1943
Time Period: 1925-1943
Material type: ORE
Description: Cp_Grade: ^2.5 - 10 % Zn, Less Than 70 % Pb, 0.01 - 0.2 % Cu, 46 - 50 Oz Ag/Ton, Au

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Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1927
Discovery Year: 1923
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

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Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Cabinet Mountains

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Mineral Deposit Model

Not available

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Orebody

Form: LENTICULAR

Form: LENTICULAR

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Structure

Type: R
Description: On Broad W Limb Of Syncline With Axis In Montana; Hope Fault Zone Ne Of Mine

Type: L
Description: Extensive Faults Of Minor Displacement;Vein Lies Along A Thrust Fault;Post-Mineral Faulting;Gouge;Minor Flexing ; Low Angle Reverse Faults Strike Ne, Dip Low Angles Se. Wallace Strikes N 5-10 Deg E, Dips 5-15 Deg Se.

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Alterations

Alteration Type: L
Alteration Text: Sericitization

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Rocks

Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Diabase
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

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

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

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Analytical Data

Analytical Data: CONCENTRATES CONTAIN 1 TO 1.5% AS(CALKINS,1909). LEAD ISOTOPES:PB 206/PB 204=18.299,PB 207/PB 204=15.607,PB 208/PB 207=38.510(ZARTMAN AND STACEY,1971)

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Materials

Ore: Sphalerite
Ore: Meneghinite
Ore: Boulangerite
Ore: Tetrahedrite
Ore: Galena
Ore: Bournonite
Ore: Geocronite
Gangue: Siderite
Gangue: Pyrite
Gangue: Quartz
Gangue: Rhodochrosite

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Comments

Comment (Commodity): RATIO AG:PB IN ORES PRODUCED 1OZ:1.56%

Comment (Production): 1927 - 1935 VALUE $260,000 ; 1935 - 1939 $170,000 ( NW MINING NEWS, 1939 )

Comment (Development): 360 A. PATENTED LAND IN SECS. 26 AND 35;14 UNPATENTED CLAIMS IN SECS. 25 AND 26. 150-TON FLOTATION CONCENTRATOR,COMPLETE MINE SET-UP. ; ECON.COM: ORE OCCURS AS THIN LAYERS OF MASSIVE SULFIDE THAT CAN BE CONVENIENTLY HAND SORTED

Comment (Workings): DEVELOPED BY 3 ADITS FROM WHICH WINZES HAVE BEEN SUNK TO THE NO. 9 HEAD AND AN 850 - FT VERTICAL SHAFT. 22 DEG INCLINED SHAFT, STRIKE LENGTH 1300 FT, DIP LENGTH 900 FT

Comment (Deposit): AVERAGE WIDTH OF ORE SEAM IN UPPER STOPES WAS 4 IN. AND MINIMUM THICKNESS THAT PERMITTED PROFITABLE RECOVERY AND CONCENTRATION BY HAND SORTING WAS 2 IN.

Comment (Location): ALMOST DIRECTLY ACROSS FROM WHITEDELF MINE; MILL AND MAIN LEVEL ARE JUST ABOVE LIGHTNING CREEK

Comment (Deposit): MAIN ORE SEAM AVERAGED 4 INCHES THICK; 1 FISSURE VEIN TRENDS N 50 DEG W AND DIPS 40 DEG SW; 1 BEDDED VEIN TRENDS NW AND DIPS 12 DEG E

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References

Reference (Deposit): SAVAGE, C.N. 1967, GEOLOGY AND MINERAL RESOURCES OF BONNER COUNTY: IDAHO RUR. MINES AND GEOL. COUNTY REPORT NO. 6, P. 86-88

Reference (Deposit): ANDERSON, A.L. 1947, GEOLOGY OF THE LEAD-SILVER DEPOSITS OF THE CLARK FORK DISTRICT, BONNER COUNTY, IDAHO: USGS BULL. 944-B, P. 94-103

Reference (Deposit): 7) LORAIN, S. H., 1946 , CLARK FORK LEAD-ZINC DISTRICT, BONNER COUNTY, IDAHO: U. S. BUREAU OF MINES REPT. INV. 3992 , 10 P.

Reference (Deposit): 1943 DIREXPL US BUR MINES-DIAMOND DRILLING, REPT INV 3992

Reference (Deposit): 1947 GEOLMAP A.L.ANDERSON,USGS BULL. 944-B

Reference (Deposit): DIREXPL HOPE MINING CO

Reference (Deposit): DIREXPL HOPE SILVER-LEAD MINES,INC.

Reference (Deposit): 1957 GEOLMAP HARRISON AND JOBIN, USGS BULL. 1141-K

Reference (Production): USGS BULL. 944-B, P. 95 ; A.L.ANDERSON,1930,IDAHO BUR MINES & GEOL. BULL. 12

Reference (Deposit): HARRISON, J.E., AND JOBIN, D.A., 1963, GEOLOGY OF THE CLARK FORK QUADRANGLE, IDAHO-MONTANA: USGS BULL. 1141-K, P. 34-35

Reference (Deposit): ZARTMAN,R.E.,AND STACEY,J.S.,1971,LEAD ISOTOPES AND MINERALIZATION AGES IN BELT SUPERGROUP ROCKS,NORTHWESTERN MONTANA AND NORTHERN IDAHO: ECON. GEOLOGY,V.66,P.849-860.

Reference (Deposit): 5) ANDERSON, A.L., 1930, GEOLOGY AND ORE DEPOSITS OF CLARK FORK DISTRICT, IDAHO: IDAHO BUR MINES AND GEOLOGY BULL 12, 132 P.

Reference (Deposit): 6) ANDERSON, A.L., 1946, LEAD-SILVER MINERALIZATION IN THE CLARK FORK DISTRICT, BONNER COUNTY, IDAHO: ECON. GEOLOGY, V. 41, NO. 2, P. 105-123.

Reference (Deposit): 7) LORAIN, S.H., 1946, CLARK FORK LEAD-ZINC DISTRICT, BONNER COUNTY, IDAHO: USBURMINES REPT INV 3992, 10 P.

Reference (Deposit): 8) NORTHWEST MINING NEWS, 1939 , HOPE SILVER - LEAD MINES, INC.: NORTHWEST MINING NEWS, V. 5 , NO. 20 , P. 6 - 7

Reference (Deposit): 5) ANDERSON, A. L., 1930 , GEOLOGY AND ORE DEPOSITS OF CLARK FORK DISTRICT, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY BULL. 12 , 132 P.

Reference (Deposit): 6) ANDERSON, A. L., 1946 , LEAD-SILVER MINERALIZATION IN THE CLARK FORK DISTRICT, BONNER COUNTY, IDAHO: ECON. GEOLOGY, V. 41 , NO. 2 , P. 105 - 123 .

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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.