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Lietzke

Occurrence in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10000430
MRDS ID A010597
Record type Site
Current site name Lietzke

Geographic coordinates

Geographic coordinates: -149.28947, 59.87258 (WGS84)
Relative position This occurrence is situated in a small cove northeast of Cape Resurrection within the SW1/4 of section 33, T. 3 S., R. 1 E., of the Seward Meridian. This is location 7 of Cobb and Tysdal (1980) and location 6 of Tysdal (1978). This location is accurate to within one quarter of a mile.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) None reported.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
    Rock unit name Orca Group
    Rock description Orca Group

Nearby scientific data

(1) -149.28947, 59.87258
ListMap

Comments on the geologic information

  • Geologic Description = Martin and others, (1915) examined hand samples from this occurrence and described them as quartz containing fragments of diabase, pyrite, and a little chalcopyrite. They then went on to speculate that this occurrence is similar to the Fairview and Iron Mask prospects (Martin and others, 1915). Tysdal and Case (1979) described the bedrock geology in this area as Cretaceous, pale to dark green aphyric to porphyritic pillow basalts with subordinate pillow breccia, tuff, and siltstones. Along the west shore of Resurrection Bay the pillows are right side up, dip 30 to 50W, and the long axes of the pillows and pillow bifurcation plung westward down dip.
  • Age = Cretaceous.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Seward

Comments on the reserve resource information

  • Reserves = None reported.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010597
USGS Alaska Resource Data File ARDF BS009

Bibliographic references

  • Deposit

    Martin G.C., Johnson, B.L., and Grant, U.S., 1915, Geology and mineral resources of Kenai Peninsula, Alaska: U.S. Geological Survey Bulletin 587, 243 p.

  • Deposit

    Cobb, E.H., 1972, Metalic mineral resources map of the Blying Sound quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Stuudies Map MF-440, 1 sheet, scale 1:150,000.

  • Deposit

    Cobb, E.H. and Tysdal, R.G., 1980, Summaries of data on and list of references to metallic and selected nonmetallic mineral deposits in the Blying Sound and Seward quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-621, 276 p.

  • Deposit

    Cobb, E.H., 1972, Metalic mineral resources map of the Blying Sound quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-440, 1 sheet, scale 1:150,000.

  • Deposit

    Tysdal, R.G., 1978, Mines, prospects, and occurrences map of the Seward and Blying Sound quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-880-A, 2 sheets, scale 1:250,000.

  • Deposit

    MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.

  • Deposit

    Grant, U.S., and Higgins, D.F., Jr., 1909, Notes on geology and mineral prospects in the vicinity of Seward, Kenai Peninsula: U.S. Geological Survey Bulletin 379-C, p. 98-107.

Comments on the references

  • Primary Reference = Grant and Higgins, 1909

General comments

Subject category Comment text
Deposit Model Name = Massive sulfide?
Deposit Other Comments = Grant and Higgins (1909) did not visit this occurrence and their description is based on hand samples. Subsequent authors have reprinted their description.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-JAN-1999 Jeff A. Huber U.S. Geological Survey