Iron Mask

Occurrence in Alaska, United States with commodities Gold, Lead, Zinc, Copper

Geologic information

Identification information

Deposit ID 10000351
MRDS ID A010414
Record type Site
Current site name Iron Mask
Related records 10112485

Geographic coordinates

Geographic coordinates: -149.60927, 60.67564 (WGS84)
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Zinc Tertiary
Copper Tertiary

Comments on the commodity information

  • PRESENCE OF COPPER UNCONFIRMED

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock

Nearby scientific data

(1) -149.60927, 60.67564

Ore body information

  • Thickness 1.22M

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Hope District

Land status

Ownership category National Forest

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010414

Bibliographic references

  • Deposit

    USGS BULLETIN 587, P.168

  • Deposit

    USGS MISCELLANEOUS FIELD STUDIES 880-A, LOCATION 42

  • Deposit

    USGS OPEN FILE 80-621, P 116

General comments

Subject category Comment text
Deposit FELSIC DIKE MINERALIZED WITH SULFIDE CARRYING QUARTZ STRINGERS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey