Unnamed (near Long Lake)

Occurrence in Alaska, United States with commodity Iron

Geologic information

Identification information

Deposit ID 10307482
Record type Site
Current site name Unnamed (near Long Lake)

Geographic coordinates

Geographic coordinates: -144.17264, 62.81968 (WGS84)
Relative position This occurrence is at the head of an unnamed headwater tributary of Ahtell Creek about three-quarters of a mile north of the east end of Long Lake. It is in the SE1/4NW1/4, section 18, T. 12 N., R. 7 E., Copper River Meridian.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Iron Primary

Materials information

Materials Type of material
Magnetite Ore

Mineral occurrence model information

Model code 62
USGS model code 18d
Deposit model name Skarn Fe

Nearby scientific data

(1) -144.17264, 62.81968

Comments on the geologic information

  • Geologic Description = The occurrence is associated with the Long Lake diorite phase of the Pennsylvanian and Permian, Ahtell pluton (Richter, 1966). An occurrence of magnetite is reported by WGM Inc. (1980). No specific information is available.
  • Age = Emplaced subseqent to or is related to the border phase of the Pennsylvanian to Permian, Ahtell pluton.

Economic information

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Inactive

Mining district

District name Chistochina

Comments on the workings information

  • Workings / Exploration = Only exposed in outcrop.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF GU027

Bibliographic references

  • Deposit

    Richter, D.H., 1966, Geology of the Slana district on south-central Alaska: Alaska Division of Geological and Geophysical Surveys Geological Report 2l, 36b p., 3 sheets, scale 1:63,360.

  • Deposit

    WGM Inc., 1980, 1979 Summary report of gold potential, Slana District, Ahtna project: WGM Inc., 10 p., 1:63,360-scale map. (Report held by Ahtna Mineral Co., Anchorage, Alaska).

Comments on the references

  • Primary Reference = WGM Inc., 1980

General comments

Subject category Comment text
Deposit Model Name = Iron skarn(?) (Cox and Singer, 1986; model 18d)
Deposit Other Comments = Additional information can be obtained from Ahtna Minerals in Anchorage, Alaska.

Reporter information

Type Date Name Affiliation Comment
Reporter 06-DEC-00 W.T. Ellis Alaska Earth Sciences
Reporter 06-DEC-00 Hawley, C.C. Hawley Resource Group
Reporter 06-DEC-00 W.J. Nokleberg U.S. Geological Survey