Unnamed Occurrence

Occurrence in Alaska, United States with commodities Gold, Silver

Geologic information

Identification information

Deposit ID 10001237
MRDS ID A011954
Record type Site
Current site name Unnamed Occurrence
Alternate or previous names Emma Dome

Geographic coordinates

Geographic coordinates: -150.42304, 67.32385 (WGS84)
Location accuracy 2000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS PP 709, FIG. 3 AND FIG. 13; ROCK SAMPLE SYMBOL NEAR EMMA DOME 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
Silver Primary

Comments on the commodity information

  • MODE OF OCCURRENCE UNCERTAIN; PROBABLY FREE GOLD

Materials information

Materials Type of material
Gold Ore
Silver Ore

Analytical data

Result AU AND AG DETECTED IN ANALYSIS
Result SYMBOLS USED FOR ROCK SAMPLE INDICATE BETWEEN 6.0-19.0 PPM AG AND 0.04-0.079 PPM AU ARE PRESENT IN VEIN QUARTZ, USGS PP 709, FIG. 3, FIG. 13

Nearby scientific data

(1) -150.42304, 67.32385

Comments on the geologic information

  • ONLY EVIDENCE FOR LOCAL SOURCE FOR GOLD IN PLACERS SOUTH OF WISEMAN

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Koyukuk

Land status

Ownership category National Park

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011954

Bibliographic references

  • Deposit

    USGS PP 709, P. 20, FIGS. 3, 13

  • Other Database

    BAG-MF-469-17

General comments

Subject category Comment text
Deposit GOLD AND SILVER IN A QUARTZ VEIN
Deposit ALSO REPORTED FOR SAME LOCATION: CU SULFIDES AND MALACHITE STAINS AT CONTACT BETWEEN SCHIST UNIT AND SCHIST AND MARBLE UNIT, BOTH OF DEVONIAN (?) AGE; SEE: USGS OFR 200 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey