Cascade Prospect

Occurrence in Alaska, United States with commodities Gold, Lead, Zinc

Geologic information

Identification information

Deposit ID 10001328
MRDS ID A012068
Record type Site
Current site name Cascade Prospect
Alternate or previous names Julia Group

Geographic coordinates

Geographic coordinates: -134.79482, 58.58169 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • SEE: USGS BULL 502, PLATE 2, LOC. 8 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
Lead Secondary
Zinc Secondary

Materials information

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

Analytical data

Result AVERAGE 0.58 OZ/TON AU OVER 5 FT WIDTH, USGS OFR 84-572, P. 166, NO. 57

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
    Rock unit name Coast Range Intrusive Complex
    Rock description Coast Range Intrusive Complex
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -134.79482, 58.58169

Comments on the geologic information

  • COUNTRY ROCK IS GRAPHITIC SLATE AND SCHIST ABOUT 1 MI E OF CONTACT WITH COAST RANGE INTRUSIVE COMPLEX

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Juneau/Eagle River

Land status

Ownership category State

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 27.43M

Comments on the workings information

  • 2 PROSPECT SHAFTS AND OPEN CUTS, INCLUDING 90-FT INCLINED SHAFT

Comments on development

  • ACTIVE IN THE EARLY 1900'S

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012068

Bibliographic references

  • Deposit

    USGS BULL 284, P. 34-35

  • Deposit

    USGS BULL 345, P. 89

  • Deposit

    USGS BULL 502, P. 50

  • Deposit

    USGS OFR 84-572, P. 166, NO. 57

  • Deposit

    USGS OFR 85-717, P. 137

  • Other Database

    BAG-OFR-85-717-124

General comments

Subject category Comment text
Deposit 6 FT WIDE QUARTZ STRINGER LODES IN SLATE NEXT TO AUGITE-PORPHYTIC BASALT FOOTWALL CARRYS ARSENOPYRITE, PYRITE, GALENA AND SPHALERITE; PYRITE DISSEMINATED IN SLATE ALSO.
Deposit SEE ALSO: DIVIDEND ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey