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Little Anaconda Group

Producer in Mineral county in Montana, United States with commodities Lead, Zinc, Silver, Copper
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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. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10019730
MRDS ID DC11296
Record type Site
Current site name Little Anaconda Group
Alternate or previous names Velvet Adit

Geographic coordinates

Geographic coordinates: -114.86654, 47.26932 (WGS84)
Elevation 1341
Relative position 8.8 MI S - SW OF PARADISE

Site location context

Political divisions (FIPS codes)

Mineral(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Quinns Hot Springs(quadrangle 1:24,000 scale)

Plains(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Lolo 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 Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 018N 026W 35 S2 Montana

Comments on the location information

  • NEAR THE HEADWATERS OF PARDEE CREEK.

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Silver Ore
Sphalerite Ore
Barite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Wallace Formation
    Rock description Wallace Formation
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.86654, 47.26932
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On Southern Limb Of Keystone Syncline. Region Has A Structural Grain Of Nw Trending Faults And Folds.
Type of structure Local
Structure description Small Scale Nw Trending Faults.

Ore body information

  • General form DISCONTINUOUS PODS AND VEINLETS
    Strike N55W
    Dip SW
    Width 1.22M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • COUNTRY ROCK AND THE PREDOMINANT CLEAVAGE GENERALLY STRIKE N 50 - 60 DEG W AND DIP STEEPLY SW.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Iron Mountain District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Sunrise Silver Mines
  • Type Owner
    Owner Hugh G. King And O.B. Anderson

Production statistics

  • Year 1942
    Accuracy Accurate
    Description Ap_Grade: ^2.84 Oz/Ton Ag, 6.79 % Pb, 12.2 % Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 80g/mt
    Major Ore Zinc Zinc 12wt-pct
    Major Ore Lead Lead 7wt-pct
  • Year 1952
    Accuracy Accurate
    Description Ap_Grade: ^9.77 Oz/Ton Ag, 0.184 % Cu, 5.09 % Pb, 0.52 % Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 1wt-pct
    Major Ore Lead Lead 5wt-pct
    Minor Ore Copper Copper 0wt-pct
    Minor Ore Silver Silver 258g/mt
  • Year 1953
    Period 1901 - 1953
    Accuracy Accurate
    Description Cp_Grade: ^5.01 Oz/Ton Ag, 0.62 % Cu, 6.62 Oz/Ton Pb, 8.44 Oz/Ton Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 238g/mt
    Major Ore Lead Lead 187g/mt
    Minor Ore Copper Copper 1wt-pct
    Minor Ore Silver Silver 142g/mt

Comments on the production information

  • NO PRODUCTION RECORDED EXCEPT FOR 1942 AND 1952 .

Workings at the site

  • Type of workings Underground
    Length 609.6M

Comments on the workings information

  • WORKINGS CONSISTED OF TWO ADITS AND A SURFACE SHAFT. AS OF 1954 , ONLY THE LOWER ADIT (THE VELVET) CONSISTING OF A 550 FT TUNNEL WITH 275 FT OF DRIFTS WAS ACCESSIBLE. SOME STOPING WAS EVIDENT.

Comments on development

  • 10 UNPATENTED CLAIMS. NEW DEVELOPMENT BEGAN IN 1977 .

Reference information

Bibliographic references

  • Deposit

    CAMPBELL, A. B., 1960 , GEOLOGY AND MINERAL DEPOSITS OF THE ST. REGIS - SUPERIOR AREA MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1082-I, PP. 593 - 595 .

  • Deposit

    LAWSON, D. C., 1978 , DIRECTORY OF MINING ENTERPRISES FOR 1977 : MONTANA BUREAU OF MINES AND GEOLOGY BULL. 107 , P. 16 .

  • Deposit

    CONSV. DIV. COMP. DATE, 02-08-1963

  • Production

    CAMPBELL, A. B., 1960 : US GEOLOGICAL SURVEY BULL. 1082-I , P. 595 .

General comments

Subject category Comment text
Deposit ORE WITHIN A ZONE OF SHEARING PARALLEL TO CLEVAGE; VEIN MINERALS OCCUR AS REPLACEMENTS ALONG CLEAVAGE PLANES IN THE SILICIFIED COUNTRY ROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUN-1979 Rojstaczer, Stuart A. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site