Unnamed Occurrence

Occurrence in Alaska, United States with commodities Copper, Gold, Silver

Geologic information

Identification information

Deposit ID	10001131
MRDS ID	A011821
Record type	Site
Current site name	Unnamed Occurrence

Geographic coordinates

Geographic coordinates:	-146.03357, 63.31994 (WGS84)
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Geographic areas

Country	State
United States	Alaska

Comments on the location information

BEST LOCATION: ADGGS GR 14, FIGURE 2, LOC. 15 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?

Commodities

Commodity	Importance
Copper	Primary
Gold	Secondary
Silver	Secondary

Materials information

Materials	Type of material
Chalcopyrite	Ore

Analytical data

Result	CHIP SAMPLE ACROSS 4 FT CONTAINED 0.75% CU, 0.09 OZ/TON AU, 1.18 OZ/TON AG, LESS THAN 0.1% EACH OF PB AND ZN, TRACE NI, ADGGS GR 14, P. 30

Host and associated rocks

Host or associated Host

Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1)	-146.03357, 63.31994	ListMap

Comments on the geologic information

COUNTRY ROCK IS COMPOSED OF OLIVINE AND AMPHIBOLE WITH MINOR EXIDOTE, PYRITE AND CHALCOPYRITE; SOME OF AMPHIBOLE IS ACTINOLITE

Economic information

Economic information about the deposit and operations

Development status	Occurrence
Commodity type	Metallic
Deposit size	Small
Significant	No

Mining district

District name	Delta River

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	A011821

Bibliographic references

Deposit

ADGGS GR 14, P. 29-30, 33, LOC. 15
Deposit

USGS OFR 77-169A, P. 38, LOC. 21

General comments

Subject category	Comment text
Deposit	CHALCOPYRITE AND CU-STAINING IN A ZONE A FEW FT WIDE TRENDING N35E; ZONE CUTS AMPHIBOLITIC SERPENTINITE

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-AUG-1985	Leonard, Kenneth R. (Elliott, R. L.)	U.S. Geological Survey