Unnamed Occurrence

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10001087
MRDS ID A011772
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -144.97352, 63.18439 (WGS84)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS GR 28, FIG. 1, 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
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -144.97352, 63.18439

Comments on the geologic information

  • FORMED BY REPLACEMENT OF ANDESITE NEAR CONTACT WITH MESOZOIC QUARTZ MONZONITE

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Chistochina

Land status

Ownership category State

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011772

Bibliographic references

  • Deposit

    ADGGS GR 28, P. 20-21, LOC.

General comments

Subject category Comment text
Deposit PODS UP TO 5 FT WIDE CONTAINING PYRITE, CHALCOPYRITE AND MAGNETITE IN GANGUE OF QUARTZ, EPIDOTE, CHLORITE AND CARBONATE

Reporter information

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