Hetta Mountain Prospects

Occurrence in Alaska, United States with commodities Copper, Zinc, Silver, Gold, Molybdenum, Cobalt

Geologic information

Identification information

Deposit ID 10000027
MRDS ID A010027
Record type Site
Current site name Hetta Mountain Prospects
Related records 10112745

Geographic coordinates

Geographic coordinates: -132.56846, 55.19973 (WGS84)
Elevation 823
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • A SECOND PROSPECT IS 30 METERS TO THE NORTH AT AN ELEVATION OF 2675 FT. 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
Zinc Secondary
Silver Tertiary
Gold Tertiary
Molybdenum Tertiary
Cobalt Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Diopside Gangue
Garnet Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Zone Is Strongly Limonitized

Analytical data

Result GRAB SAMPLE 2.2% CU
Result 0.74% ZN
Result 22 PPM PB
Result 12.3 OZ/TON AG
Result 0.1 OZ/TON AU
Result 600 PAM MO
Result 750 PPM CO

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)

Nearby scientific data

(1) -132.56846, 55.19973

Controls for ore emplacement

  • Northern Prospect Follows Dike

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010027

Comments on the other database information

  • RECORD NUMBER W062098 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

  • Deposit

    USGS BULL 347, P. 108.

  • Deposit

    USGS PROFESSIONAL PAPER 87, P. 56.

  • Deposit

    USGS MF-433.

  • Deposit

    USGS OF 78-869, P. 87.

  • Deposit

    ADGGS GR 48, P. 40-41.

General comments

Subject category Comment text
Deposit SHEAR ZONE IS TO THE SOUTH, MASSIVE DEPOSITS ARE AT PROSPECT TO NORTH
Deposit THERE ARE ALSO SEVERAL OTHER PROSPECTS OF UNKNOWN CHARACTER TO THE NORTH EAST. SEE REFERENCE #1 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

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