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Jib Group

Producer in Jefferson county in Montana, United States with commodities Gold, Silver, Copper, Lead, Zinc, Tellurium, Antimony
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10071317
MRDS ID W014645
Record type Site
Current site name Jib Group
Alternate or previous names Hope-Katie, Katie Extension
Related records 10245528

Geographic coordinates

Geographic coordinates: -112.26921, 46.27073 (WGS84)
Elevation 1658
Location accuracy 250(meters)
Relative position BASIN, MONTANA

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Basin(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boulder(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 005W 17,18 Montana

Comments on the location information

  • NW PART OF BASIN. ; INFO FROM LAND.ST :(1954)

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Tetrahedrite Ore
Ankerite Gangue
Pyrite Gangue
Quartz Gangue
Rhodochrosite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Boulder Batholith, Butte Quartz Monzonite (Boulder Batholith);Quartz Latite
    Rock description Boulder Batholith, Butte Quartz Monzonite (Boulder Batholith);Quartz Latite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -112.26921, 46.27073
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Vein Cut By Dike And By N 25 W-Trending Fault With About 250 M Left Lateral Separation

Ore body information

  • General form SHOOTS
    Strike N89W
    Dip 76N
    Length 700M
    Width 15M

Controls for ore emplacement

  • Ore Confined To Marginal Fissure Zone Of Batholith; Vein Follows Fault

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870
Year of first production 1890

Mining district

District name Basin (Cataract, Comet) District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Lbm Construction, 1816 Lafayette, Butte, Mt 59701
  • Type Owner
    Owner Sylvanite, Inc.,
    Home office 43 E. Broadway, Butte, MT 59701

Comments on the production information

  • MINING INTERMITTANT FROM 1905-1956.

Comments on the reserve resource information

  • VEIN HAS DIMENSIONS ABOUT 2000 FT. LONG BY 20 FT. WIDE MINED TO A DEPTH OF 500 FT. GIVING ABOUT 2,000,000 ST. MINERALIZED GROUND. TOTAL OF ABOUT 250,000 ST ORE HAS BEEN MINED FROM RICHER PORTIONS OF VEIN. ASSUMING AN ADDITIONAL 200,000 ST COULD BE RECOVERED FROM THE UPPER WORKINGS AND ASSUMING THAT THE VEIN COULD BE MINED AN ADDITIONAL 100 FT. IN DEPTH GIVES RESOURCES OF ABOUT 500,000 ST. ABOUT 2/3 OF THE HOPE-KATIE PORTION HAS BEEN STOPED TO THE 500 LEVEL; NO STOPES HAVE BEEN SHOWN BELOW THE 500 LEVEL.

Workings at the site

  • Type of workings Underground
    Length 5000M
    Overall depth 300M

Comments on the workings information

  • MINES ON VEIN OFFSET BY NORTHWEST-TRENDING FAULT. HOPE AND KATIE SHAFTS ON SOUTHERN SEGMENT AND KATIE EXTENSION ON NORTHERN SEGMENT. HOPE AND KATIE SHAFTS STARTED ABOUT 1893. NORTHERN SEGMENT DEVELOPED BY EAST KATIE EXTENSION AND WHITE ELEPHANT SHAFTS BEGUN ABOUT 1923 AND AN UNNAMED SHAFT SUNK IN 1955. 1923 300-TON MILL EQUIPPED FOR GRAVITY CONCENTRATION AND FLOATION WAS BUILT.

Comments on development

  • 15 CLAIMS: AVALANCHE, ATLANTIC, NELLIE, FAIR PLAY, LOTTA, JIB MILL SITE, DARWIN, APACHE CHIEF, EUREKA, PRESIDENT, FRACTION, HOPE.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 16, P. 31-2.

  • Deposit

    USGS BULL 842, P. 290.

  • Deposit

    USGS BULL 1151, P. 105.

  • Deposit

    MBMG BULL 100, P. 10.

  • Production

    MBMG BULL 16, P. 32.

General comments

Subject category Comment text
Deposit VEIN IS COMPOSED CHIEFLY OF QUARTZ AND PYRITE BUT CONTAINS SPHALERITE, GALENA,CHALCOPYRITE AND TETRAHEDRITE WHICH REPLACE OLDER QUARTZ AND PYRITE OR RECEMENTS THEM WHERE FRACTURED OR BRECCIATED. OCCURING IN SMALL IRR. VEINLETS ARE YOUNGER MIN., A TELLURIDE OF AU AND AG AND NATIVE AU IN AGANGUE OF FINE GRAINED QUARTZ. ORE SHOOT ARE LARGER AND EXTEND DEEPER AS THE E END OF THE KATIE MINE IS APPROACHED. IT HAS 2 DISTINCT VEINS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-76 Mlynarczyk, Meg S. U.S. Geological Survey
Updater 01-JUL-81 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.

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