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  3. Mineral Resource Data System (MRDS)

E Pluribus Unum Prospect

Occurrence in Alaska, United States with commodities Gold, Lead, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

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)

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau C-3(quadrangle 1:63,360 scale)

Juneau NE(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lynn Canal(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

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 Critical 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
ListMap

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

Bibliographic references

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.