Little Giant Mine

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

Geologic information

Identification information

Deposit ID 10100960
MRDS ID A011469
Record type Site
Current site name Little Giant Mine
Alternate or previous names Mountain King, Rose, July, Star, H. L. Jaynes Group, Poy Claims
Related records 10283030

Geographic coordinates

Geographic coordinates: -146.29784, 61.21571 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • LABELLED AS GIANT MINE ON VALDEZ A7 QUADRANGLE 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
Copper Tertiary
Lead Tertiary
Zinc Tertiary

Comments on the commodity information

  • SOME SULFIDES AURIFEROUS

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Analytical data

Result NO DATA

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group
    Rock description Valdez Group
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -146.29784, 61.21571

Geologic structures

Type of structure Regional
Structure description Foliation In Schistose Graywacke Is Fairly Constant E-W Striking, N Dipping Over Whole District

Controls for ore emplacement

  • Fracture Control

Comments on the geologic information

  • BEDDING APPROXIMATELY PARALLELS SLATY CLEAVAGE IN SCHISTOSE ROCKS

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1913

Mining district

District name Port Valdez

Land status

Ownership category State

Comments on the production information

  • LITTLE GIANT: SEVERAL TONS ORE MILLED IN 1914, MINING AND MILLING 1929, PRODUCTION IN 1934; MOUNTAIN KING: 120 TONS ORE MILLED IN 1914; ROSE: ABOUT 1 TON ORE MILLED IN 1914; STAR: PRODUCTION REPORTED IN 1934 AND 1935

Comments on the workings information

  • LITTLE GIANT CLAIM: ENTIRE PLANT WAS UNDERGROUND, INCLUDING MILL; EXTENT OF WORKINGS NOT KNOWN BUT PROBABLY FAIRLY EXTENSIVE; MOUNTAIN KING CLAIM: ABOUT 630 FT OF WORKINGS BY 1913, ORE WAS STOPED ON 3 LEVELS;ROSE: ONLY DEVELOPMENT WAS 36 FT CROSSCUT IN 1914, BUT PROBABLY MORE WORK DONE IN THE 30'S; JULY: ONLY DEVELOPMENT WAS 25 FT SURFACE CUT; STAR: WORKINGS UNKNOWN, BUT IT PRODUCED IN THE 30'S

Comments on development

  • INTERMITTENT PRODUCTION, ASSESSMENT WORK AND DEVELOPMENT ON DIFFERENT CLAIMS BETWEEN 1913 AND 1939

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011469

Bibliographic references

  • Deposit

    USGS BULL 622, P. 153, 163-164, 168-169

  • Deposit

    USGS BULL 880-A, P. 22, 24

  • Deposit

    USGS MF-438, LOC. 29

  • Deposit

    USGS OFR 80-892B, LOC. 23

  • Other Database

    BAG-OFR-80-892B-23

General comments

Subject category Comment text
Deposit Discovery Year: 1913-1914
Deposit GENERALLY NW TO EW TRENDING QUARTZ VEINS RANGING FROM 1 IN TO AS MUCH AS 4 FT IN THICKNESS
Deposit MOST WORK WAS ON LITTLE GIANT AND MOUNTAIN KING CLAIMS; SEE ALSO: MOUNTAIN VIEW ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey