E Pluribus Unum Prospect

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

Geologic information

Identification information

Deposit ID 10001330
MRDS ID A012070
Record type Site
Current site name E Pluribus Unum Prospect
Alternate or previous names Cottrell-Spaulding
Related records 10209913

Geographic coordinates

Geographic coordinates: -134.80371, 58.59725 (WGS84)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS BULL 502, PLATE 2, LOC. 9 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
Quartz Gangue

Analytical data

Result HIGH GRADE SULFIDE-BEARING ORE ASSAYED 1% AS, 0.7% PB, 0.7% ZN, 0.5% CD, 300 PPM AG AND 170 PPM AU, USGS OFR 85-717, NO. J122
Result RICHEST PART OF QUARTZ LODE ASSAYED 9.67-14.5 OZ AU/TON OVER 18 FT LENGTH, USGS OFR 84-572, P. 166, NO. 56

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) -134.80371, 58.59725

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 Underground
    Length 97.54M

Comments on the workings information

  • ABOUT 320 FT OF UNDERGROUND WORKINGS IN 2 TUNNELS; REPORTED OPEN IN USGS OFR 85-717

Comments on development

  • ACTIVE IN EARLY 1900'S

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012070

Bibliographic references

  • Deposit

    USGS OFR 84-572, P. 166, NO. 56

  • Deposit

    USGS BULL 345, P. 89

  • Deposit

    USGS BULL 502, P. 50-51

  • Deposit

    USGS OFR 85-717, P. 135

  • Other Database

    BAG-OFR-85-717-122

General comments

Subject category Comment text
Deposit 35 FT WIDE MINERALIZED ZONE IN SLATE AND GRAYWACKE CONTAINS QUARTZ STRINGER LODE 8 FT WIDE; 20 IN BY 18 FT ZONE CONTAINED 10-20% ARSENOPYRITE, 1% GALENA, TRACES OF SPHALERITE AND CONSIDERABLE GOLD; MAIN CONCENTRATION OF ORE WAS ON A FOLD SURFACE; ANOTHER REPORTED VEIN THOUGHT TO BE ON SAME PROPERTY, 2.5 FT WIDE, 1500 FT LONG, UNDERCUT BY CROSSCUT AT 100 FT DEPTH; MAY BE SAME VEIN AS ABOVE
Deposit SEE ALSO: BLACK CHIEF; COTTRELL-SPAULDING THOUGHT TO BE SAME PROPERTY AS E. PLURIBUS UNUM ; 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