Hope Mine

Past Producer in Bonner county in Idaho, United States with commodities Lead, Zinc, Silver, Copper, Gold, Antimony, Arsenic
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10088842
MRDS ID M060177
Record type Site
Current site name Hope Mine
Alternate or previous names Elsie K.
Related records 10193011

Geographic coordinates

Geographic coordinates: -116.17545, 48.16657 (WGS84)
Elevation 732
Relative position 1 3/4 MI N FROM CLARK FORK RAILROAD STATION; SEVERAL HUNDRED FEET ABOVE THE WEST BASE OF MIDDLE MOUNTAIN

Site location context

Political divisions (FIPS codes)

Bonner(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clark Fork(quadrangle 1:24,000 scale)

Sandpoint(quadrangle 1:100,000 scale)

Sandpoint(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Bonner

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 056N 002E 35,26 Idaho

Comments on the location information

  • ALMOST DIRECTLY ACROSS FROM WHITEDELF MINE; MILL AND MAIN LEVEL ARE JUST ABOVE LIGHTNING CREEK

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Primary
Gold Secondary
Antimony Critical Secondary
Arsenic Critical Tertiary

Comments on the commodity information

  • RATIO AG:PB IN ORES PRODUCED 1OZ:1.56%

Materials information

Materials Type of material
Boulangerite Ore
Bournonite Ore
Galena Ore
Geocronite Ore
Meneghinite Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue
Rhodochrosite Gangue
Siderite Gangue

Alteration

  • (Local) Sericitization

Analytical data

Result 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)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Rock unit name Diabase Or Lamprophyre Dike
    Rock description Diabase Or Lamprophyre Dike
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Striped Peak Formation-Argillite, Quartzite
    Rock description Striped Peak Formation-Argillite, Quartzite

Nearby scientific data

(1) -116.17545, 48.16657

Economic information

Geologic structures

Type of structure Regional
Structure description On Broad W Limb Of Syncline With Axis In Montana; Hope Fault Zone Ne Of Mine
Type of structure Local
Structure 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.

Ore body information

  • General form LENTICULAR
    Strike NNE
    Dip 25 DEG SE
    Thickness 0.76M
    Length 396.24M
    Width 1.83M
    Depth to top 0M
  • General form LENTICULAR
    Dip 25 DEG SE

Controls for ore emplacement

  • Fault,Shear Zone; Low Angle Reverse Faults Of Small Displacement That Cross Bedding At Low Angle

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1923
Discoverer Messrs. Purdy And Jensen
Year of first production 1927

Mining district

District name Clark Fork District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Glenn C. Lee,Elmer Shields,Ross Derr
  • Type Owner
    Owner Hope Silver-Lead Mines, Inc.

Production statistics

  • Year 1943
    Period 1925-1943
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^2.5 - 10 % Zn, Less Than 70 % Pb, 0.01 - 0.2 % Cu, 46 - 50 Oz Ag/Ton, Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 70wt-pct
    Ore Zinc Zinc 6wt-pct
    Ore Copper Copper 0wt-pct
    Ore Silver Silver 1355g/mt

Comments on the production information

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

Workings at the site

  • Type of workings Unknown
    Area 5.257HA
    Length 5809.49M
    Overall depth 259.08M
    Overall length 426.72M
    Overall width 289.56M

Comments on the workings information

  • 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

Comments on 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

Reference information

Bibliographic references

General comments

Subject category Comment text
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.
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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1973 Puffett, Willard P. U.S. Geological Survey
Updater 01-SEP-1976 Miller, Pat J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references