Unnamed Occurrence

Occurrence in Alaska, United States with commodities Zinc, Iron

Geologic information

Identification information

Deposit ID	10001248
MRDS ID	A011967
Record type	Site
Current site name	Unnamed Occurrence

Geographic coordinates

Geographic coordinates:	-152.87508, 67.41241 (WGS84)
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Geographic areas

Country	State
United States	Alaska

Comments on the location information

ADGGS OFR 133B, PLATE 1, NO. 57 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity	Importance
Zinc	Primary
Iron	Primary

Materials information

Materials	Type of material
Sphalerite	Ore
Pyrite	Gangue
Magnetite	Unknown

Analytical data

Result	500 PPM ZN, MORE THAN 20% FE, GRAB SAMPLE, ADGGS OFR 133B, TABLE 2,NO. 57

Host and associated rocks

Host or associated Associated

Rock type Plutonic Rock > Granitoid > Granite
Host or associated Host

Rock type Metamorphic Rock > Skarn (Tactite)

Nearby scientific data

(1)	-152.87508, 67.41241	List Map

Comments on the geologic information

TACTITE DEPOSIT ALONG CONTACT OF GRANITIC PLUTON

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	State

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	A011967

Bibliographic references

Deposit

ADGGS OFR 133B, SAMPLE 57

General comments

Subject category	Comment text
Deposit	MAGNETITE, SPHALERITE AND PYRITE IN TACTITE

Reporter information

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