Banjo Mine, Red Top Mining Company

Past Producer in Alaska, United States with commodities Gold, Silver, Lead, Zinc, Tungsten, Copper

Geologic information

Identification information

Deposit ID 10000597
MRDS ID A011203
Record type Site
Current site name Banjo Mine, Red Top Mining Company
Alternate or previous names Eureka Group: Red Top Mine: Prospects: Julen, Jupiter-Mars, Claims: Silver King, Merry Widow
Related records 10233542

Geographic coordinates

Geographic coordinates: -150.90011, 63.55235 (WGS84)
Relative position 2.7 MI N 48 E OF KANTISHNA, AK
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LABELLED "RED TOP MINE" ON BOTH QUADS LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Zinc Tertiary
Tungsten Tertiary
Copper Tertiary

Comments on the commodity information

  • RELATIONSHIP OF COMMODITIES TO ORE MINERALS UNCERTAIN

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Scheelite Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result 1939-1941 CONCENTRATE RAN 19.6-35.6 OZ AU AND 52.3-92.5 OZ AG PER TON, 13.8% TO 19.7% PB, 0.9% TO 1.6% ZN, 2.9% TO 4.75% AS, 0.13% TO 0.16% CU, ADGGS OF 98, P. 26

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Birch Creek;Birch Creek
    Rock description Birch Creek;Birch Creek

Nearby scientific data

(1) -150.90011, 63.55235

Geologic structures

Type of structure Regional
Structure description Large, Open Antiform, Locally Overturned, Plunges To Ne

Ore body information

  • Strike N 25 E TO N 67 E
    Dip 60 NW TO VERTICAL

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1939
Year of last production 1942

Mining district

District name Kantishna

Land status

Ownership category National Park

Production statistics

  • Year 1939
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 31,275g
    Major Ore Gold Gold 37,355g
  • Year 1940
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 91,046g
    Major Ore Gold Gold 78,241g
  • Year 1941
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 98,943g
    Major Ore Gold Gold 79,109g

Comments on the production information

  • AS MUCH AS 0.5% SCHEELITE IN ORE WAS NEVER RECOVERED

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 1,500,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 14.905 g/mt Gold Major 1983
    Silver Ag 14.6825 g/mt Silver Major 1983
  • Type In-situ
    Estimate year 1983
    Total resources 2,500,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 0.2 wt-pct Lead Minor 1983
    Zinc Zn 0.2 wt-pct Zinc Trace 1983
    Tungsten Wo3 0.45 wt-pct Tungsten Trace 1983
  • Type In-situ
    Estimate year 1983
    Total resources 2,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.317 g/mt Gold Major 1983
    Silver Ag 176.126 g/mt Silver Major 1983

Comments on the reserve resource information

  • ADGGS RI 83-12, P. 17, 20

Comments on the workings information

  • SEVERAL THOUSAND FT OF NOW CAVED WORKINGS; SEVERAL THOUSAND TONS OF BLOCKED ORE REMAINS IN BANJO LODE WORKINGS; MILL ON SITE

Comments on development

  • HAS BEEN DIAMOND DRILLED; GEOCHEMICAL EVIDENCE SUGGESTS INTERSECTION OF BANJO LODE AND JUPITER-MARS LODE IN UPPER LUCKY GULCH, USBM OF 24-78, P. 4-30

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011203

Bibliographic references

  • Deposit

    USGS BULLETIN 687, P. 101-102

  • Deposit

    ADGGS OPEN FILE 98, P. 8, 11, 16-18, 26, 33 LOC. 31 AND 32

  • Deposit

    USGS OPEN FILE 77-169A, P. 44 LOC. 10

  • Deposit

    USBM OPEN FILE 24-78, P. 4-26 THROUGH 4-30

  • Deposit

    ADGGS REPORT OF INVESTIGATIONS 83-12, P. 17, 20

  • Production

    ADGGS OF 98, P. 26

General comments

Subject category Comment text
Deposit NE TRENDING QUARTZ VEIN SYSTEM SEVERAL THOUSAND FEET IN VERTICAL EXTENT
Deposit PRINCIPLE LODE PRODUCER OF THE KANTISHNA DISTRICT; SEE ALSO: EUREKA CLAIM ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1984 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 13-APR-1994 Mosier, Dan U.S. Geological Survey