Hope Group

Past Producer in Granite county in Montana, United States with commodities Silver, Copper, Lead, Gold, Manganese, Barium-Barite, Antimony, Arsenic, Fluorine-Fluorite
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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  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 10071337
MRDS ID W014670
Record type Site
Current site name Hope Group
Alternate or previous names Potosi, Porter, Take All, Field, Prince, Imperial, Little Emma, Comanche, Cuno Shaft, Jubilee, Shapleigh Tunnel, Hope Tailings, Shapleigh Mine

Geographic coordinates

Geographic coordinates: -113.27536, 46.34017 (WGS84)
Elevation 1728
Relative position ABOUT 2 KM NORTHEAST OF PHILIPSBURG

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Philipsburg(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N;007N 013W;014W 19;24 Montana

Comments on the location information

  • UTM LOCATION OF SHAPLEIGH SHAFT

Commodities

Commodity Importance
Silver Primary
Copper Primary
Lead Primary
Gold Secondary
Manganese Critical Secondary
Barium-Barite Critical Tertiary
Antimony Critical Tertiary
Arsenic Critical Tertiary
Fluorine-Fluorite Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Cerargyrite Ore
Chalcocite Ore
Galena Ore
Gold Ore
Malachite Ore
Tetrahedrite Ore
Barite Gangue
Calcite Gangue
Fluorite Gangue
Iron Gangue
Pyrite Gangue
Quartz Gangue
Rhodochrosite Gangue

Alteration

  • (Local) Limestone Marmerized And Some Tremolite Developed.

Analytical data

Result 18-60 OZ/TON AG (LITTLE EMMA)

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock type qualifier MEDIUM-GRAINED SHALY MAGNESIAN LIMESTONE
    Rock unit name Jefferson Limestone
    Rock description Jefferson Lst
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -113.27536, 46.34017

Economic information

Geologic structures

Type of structure Regional
Structure description Philipsburg Batholith
Type of structure Local
Structure description Philipsburg Anticline, Philipsburg Overthrust

Ore body information

  • General form TABULAR
    Strike N 80 E
    Dip VARIABLE

Controls for ore emplacement

  • Deeper In Higher In Cu Content, 3-4%/Ton Cu

Comments on the geologic information

  • MINE ON CREST AND WEST LIMB OF PHILIPSBURG ANTICLINE WHICH TRENDS ABOUT N 20 E AND PITCHES ABOUT 15 N

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant Yes
Discovery year 1865
Year of first production 1866

Mining district

District name Philipsburg (Granite-Flint Creek) District

Ownership information

  • Type Operator
    Owner Contact Mining Co.,
    Home office 724 S. Western Ave., Butte, Mt.
  • Type Owner
    Owner Frank, Peter, And William Antonioli,
    Home office 724 S. Western Ave, Butte, Mt. 59701

Production statistics

  • Year 1920
    Period 1866-1920
    Material Pb
    Ore mined 181436.94mt
    Accuracy Accurate
  • Year 1920
    Period 1866-1920
    Material Cu
    Ore mined 1360777.11mt
  • Year 1920
    Period 1866-1920
    Material Ag
    Ore mined 124413924g
    Accuracy Accurate
  • Year 1920
    Period 1866-1920
    Material ore
    Ore mined 110231.1mt
    Accuracy Accurate

Comments on the production information

  • PRODUCTION ESTIMATED TO BE ABOUT $4,000,000 FROM 1866-1906. SPORODIC LEASING FROM 1920-1938 WHEN ALL MINING CEASED. IN 1956-58 THE COMANCHE MINE PRODUCED MN.

Comments on the reserve resource information

  • DRILLING BY USBM FAILED TO PENETRATE COMMERCIAL ORE IN CAMBRIAN LIMESTONES BENEATH HOPE WORKINGS BUT THIS WAS NOT SURPRISING AS HOPE MINERALIZATION IS NOT RELATED TO STRONG EAST-WEST FISSURES BUT TO BEDDING PLANES AND POORLY DEVELOPED FRACTURES IN JEFFERSON LIMESTONE. THE FACT THAT SOME METAL VALUES WERE FOUND AT FORMATION CONTACTS INDICATES THAT THE ENTIRE PHILIPSBURG ANTICLINE HAS BEEN MINERALIZED TO SOME DEGREE. THERE IS A CHANCE THAT SOME SMALL LOW GRADE ORE BODIES MAY BE DISCOVERED TO THE NORTHEAST ALONG BROWNS CREEK BUT THESE RESOURCES WOULD NOT BE CREDITED TO THE HOPE MINE. MINERAL POTENTIAL DOWNDIP OF THE PHILIPSBURG ANTICLINE IN THE JEFFERSON LIMESTONE IS UNFAVORABLE BECAUSE NO FAULT OR FRACTURE SYSTEMS ARE MAPPED. EVEN A WEAKLY DEVELOPED FRACTURE SYSTEM, IF IT COULD BE LOCATED, WOULD GREATLY INCREASE MINERAL POTENTIAL.

Workings at the site

  • Type of workings Surface/Underground
    Length 6000M
    Overall depth 200M

Comments on the workings information

  • DEPOSIT CONSISTS OF TWO MAJOR VEINS, CALLED THE NORTH AND SOUTH ORE CHANNELS. NORTH CHANNEL DEVELOPED BY SHAPLEIGH, PORTER, PORTER MAIN, AND PORTER #2 SHAFTS OVER A LENGTH OF 1400 M AND WIDTH OF 30 M. SOUTH CHANNEL DEVELOPED BY SHAPLEIGH, FIELD, AND CUNO SHAFTS OVER A LENGTH OF 800 M AND A WIDTH OF 80 M. JUBILEE TUNNEL ENTERS WEST SLOPE OF HOPE HILL AT ABOUT 5500 FT ELEVATION AND HAS BEEN DRIVEN 165 M EASTWARD WHERE IT INTERSECTS THE SHAPLEIGH SHAFT WHICH IS COLLARED AT AN ELEVATION OF 5670 FT. SHAPLEIGH SHAFT IS ROUGHLY BETWEEN AND ABOUT 120 M WEST OF THE TWO NORTHEAST TRENDING ORE CHANNELS. WORKINGS HAVE BEEN INACCESSIBLE SINCE 1941 WHEN SHAPLEIGH SHAFT WAS DESTROYED BY FIRE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE BEDS AND THE VEINS AT THE HOPE MINE STRIKE N 10-60 E AND DIP ABOUT 30 NW BUT BOTH ARE VARIABLE. SOME OF THE LARGEST ORE BODIES OCCUR ON THE CREST OF SMALL ANTICLINES OR IN THE SADDLES OF SMALL SYNCLINES. VEINS OCCUR AT SEVERAL HORIZONS AND SOME ARE CONNECTED BY THIN STRINGERS THAT PARALLEL THE W-STRIKING DEEPLY DIPPING VEINS TO THE S. THE MAJOR VEINS ARE DIVIDED INTO TWO GROUPS THAT ARE SEPARATED BY A 400-FT INTERVAL OF BARREN ROCK.
Deposit COMANCHE MINE ACTIVE 1956-58, FOR MNO2, JUBILEE WORKINGS INTERSECT ON TUNNEL LEVEL NEAR TOP OF GOLDEN GATE INCLINEAND AT WHITEWASH STATION; FIELD SHAFT INTERSECTS THE JUBILEE WORKINGS 500 FT S 73 E FROM THE TOP OF GOLDEN GATE INCLINE; CUNO SHAFT IS ABOUT 750 FT S 28 W OF THE PORTER SHAFT; TAKE ALL INCLINE IS ABOUT 200FT S 28 W OF THE HOPE DISCOVERY INCLINE; PORTER SHAFT INACCESSIBLE, PRINCE IMPERIALE SHAFT WAS USED; LITTLE EMMA IS ABOUT 700FT NE OF DISCOVERY SHAFT, NEAR TOP OF HOPE HILL; ; INFO.SRC : 1 PUB LIT
Deposit Merged data from Deposit ID 10196506 (Hope Group)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Krohn, Douglas H. U.S. Geological Survey
Updater 01-MAR-1981 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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