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Lillie Prospect

Occurrence in Alaska, United States with commodities Molybdenum, Copper
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Geologic information

Identification information

Deposit ID 10000293
MRDS ID A010341
Record type Site
Current site name Lillie Prospect

Geographic coordinates

Geographic coordinates: -133.44075, 56.15251 (WGS84)
Elevation 30
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Molybdenum Primary
Copper Secondary

Comments on the commodity information

  • NO VISIBLE COPPER MINERAL

Materials information

Materials Type of material
Molybdenite Ore
Powellite Ore

Alteration

  • (Local) Tactite Is Probably From Replacement Of Marble

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Dry Pass
    Rock description Dry Pass
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)

Nearby scientific data

(1) -133.44075, 56.15251
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Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ketchikan District

Comments on the workings information

  • ONE TRENCH

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010341

Bibliographic references

  • Deposit

    ADGGS GEOLOGIC REPORT 7, P. 7-8

  • Deposit

    USGS OPEN FILE 80-793, TABLE 1

General comments

Subject category Comment text
Deposit MOLYBDENITE OCCURS AS JOINT COATINGS AND SCATTERED MASSES LESS THAN 1/2 INCH IN DIAMETER IN TACTITE BODY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1983 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey