1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Grassy Portage Bay

Prospect in Ontario, Canada with commodities Copper, PGE
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10097141
MRDS ID M046986
Record type Site
Current site name Grassy Portage Bay

Geographic coordinates

Geographic coordinates: -93.06133, 48.70278 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cranberry Bay OE N(quadrangle 1:24,000 scale)

International Falls(quadrangle 1:100,000 scale)

International Falls(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
Copper Primary
PGE Critical Tertiary

Comments on the commodity information

  • 1971

Materials information

Materials Type of material
Chalcopyrite Ore
Ilmenite Ore
Molybdenite Ore
Pyrite Ore
Pyrrhotite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock

Nearby scientific data

(1) -93.06133, 48.70278
ListMap

Economic information

Controls for ore emplacement

  • Ore Minerals Disseminated Through Sill-Like Mass Of Hornblende Gabbro Close To Its Contact With Mafic Volcanics

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1958
Discoverer Noranda M. L

Ownership information

  • Type Owner
    Owner Nor - Norock Mining Co.

Comments on the workings information

  • SHAFT TO 200 FT., 1 LEVEL, IN 1972 - 73

Comments on development

  • ECON.COM: PORTABLE MILL MAY ENCOURAGE DEV. BY LOWERING COSTS

Reference information

Bibliographic references

  • Deposit

    ANNIS, CRANSTONE, AND VALLEE, KNOWN MIN. CA., 1978 : DEPT. ENERGY, MINES RESOURCES CA., BULL. MR 181

  • Reserve-Resource

    ANNIS ETAL, 1978 , KNOWN MIN. CA. NOT MINED

General comments

Subject category Comment text
Deposit DISSEMINATED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1978 Saso, Jerri L. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site