Alaska-Juneau Mine

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

Geologic information

Identification information

Deposit ID 10100943
MRDS ID A010693
Record type Site
Current site name Alaska-Juneau Mine
Alternate or previous names Alaska Gastinau, Alaska Perseverence, Ebner
Related records 10136954

Geographic coordinates

Geographic coordinates: -134.34645, 58.30808 (WGS84)
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Geographic areas

Country State
United States Alaska

Commodities

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

Materials information

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

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -134.34645, 58.30808

Geologic structures

Type of structure Local
Structure description Silverbow Transverse Fault Offsets Lode System About 1800 Ft

Ore body information

  • General form TABULAR CENTICULAR
    Strike NNW
    Dip STEEP
    Thickness 91.44M
    Depth to top 0M
    Length 5632.55M

Controls for ore emplacement

  • Main Ore Zones Occur As Centicular Concentrations Of Quartz Stringer Lodes In Highly Faulted Footwall Of Slate

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1880
Year of first production 1890
Year of last production 1944

Mining district

District name Juneau District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Alaska Electric Light And Power And The City And Borough Of Juneau
    Home office Juneau

Comments on the production information

  • NO AG & PB FIGURES FOR PERSEVERANCE. AVERAGE AU GRADE FOR ALASKA-JUNEAU ABOUT 0.04 OZ/TON

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.129 g/mt Gold Major 1944

Comments on the reserve resource information

  • NORTHERN MINER, MARCH 29, 1984

Workings at the site

  • Type of workings Surface/Underground
    Length 4827.9M
    Overall depth 762M
    Overall length 5632.55M

Comments on the workings information

  • SHEEP CREEK ABOUT 2 MILES LONG, OTHER MAJOR TUNNELS & CROSSCUTS. MILES OF WORKINGS ON SEVERAL LEVELS. SOME MINING FROM GLORY HOLES.

Comments on development

  • LEASED TO BARRICK RESOURCES IN 1984 FOR LONG TERM EXPLORATION, DEVELOPMENT, AND PRODUCTION (?) PROGRAM

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010693

Bibliographic references

  • Deposit

    USGS OFR 78-374, P. 15-19, 51-52, 107-108

  • Deposit

    STONE, DAVID, AND STONE BRENDA, 1980, HARD ROCK GOLD: JUNEAU, CITY AND BOROUGH OF JUNEAU, JUNEAU CENTENNIAL COMMITTEE, 108 P.

  • Deposit

    NORTHERN MINER, MARCH 29, 1984, P. 12

  • Deposit

    USGS OFR 52-160, 178 P

  • Production

    USGS OFR 78-374; STONE & STONE, 1980; USGS OFR 60

General comments

Subject category Comment text
Deposit LODE SYSTEM (300 FT X 3 1/2 MILES) IN FOOTWALL PORTION OF PERSEVERANCE SLATE WHERE METAGABBRO SILLS INTRUDE SLATE. BOTH SLATE & SILLS INVADED BY QUARTZ VEINS WHICH CONTAIN MOST ORE.
Deposit ALASKA-JUNEAU LODE SYSTEM LARGELY COVERED BY 3 PRINCIPAL MINES: ALASKA-JUNEAU, EBNER, AND PERSEVERANCE. ALASKA-JUNEAU ACQUIRED THE OTHER MINES (1925 & 1933). ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

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