Unnamed Occurrence

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

Geologic information

Identification information

Deposit ID	10000663
MRDS ID	A011287
Record type	Site
Current site name	Unnamed Occurrence

Geographic coordinates

Geographic coordinates:	-150.8765, 63.55235 (WGS84)
Location accuracy	1000(meters)
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Geographic areas

Country	State
United States	Alaska

Commodities

Commodity	Importance
Silver	Primary
Lead	Primary
Zinc	Tertiary

Comments on the commodity information

"OXIDATION PRODUCTS" REPORTED

Materials information

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

Analytical data

Result	GRAB SAMPLE ASSAY: 52.0% PB, 0.13% ZN, 78.5 OZ/TON AG, ADGGS OFR 98, P. 44 NO. 37

Host and associated rocks

Host or associated Host

Rock type Metamorphic Rock > Phyllite

Rock unit name Birch Creek

Rock description Birch Creek

Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1)	-150.8765, 63.55235	ListMap

Ore body information

General form VEIN

Strike N 10 W

Dip STEEPLY DIPPING

Thickness 0.61M

Economic information

Economic information about the deposit and operations

Development status	Occurrence
Commodity type	Metallic
Deposit size	Small
Significant	No

Mining district

District name	Kantishna

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	A011287

Bibliographic references

Deposit

ADGGS OFR 98, P. 34 AND 44. LOC. 37
Deposit

USGS OFR 77-169A, P. 45 LOC. 12

General comments

Subject category	Comment text
Deposit	VEIN MINERALOGY: PYRITE-GALENA-QUARTZ-ANGLESITE-CARBONATE WITH MINOR SPHALERITE; SMALL SHOWING; GOOD SILVER ASSAYS

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-NOV-84	Leonard, Kenneth R. (Elliott, R. L.)	U.S. Geological Survey