Stowbridge Chromite Deposit

Occurrence in Newfoundland, Canada with commodities Chromium, PGE
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10095400
MRDS ID M046819
Record type Site
Current site name Stowbridge Chromite Deposit

Geographic coordinates

Geographic coordinates: -57.06279, 49.23486 (WGS84)
Elevation 457
Relative position NORTH EAST OF CORNER BROOK, 1.5 M NORTH OF SHORE OF NORTH ARM BAY

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Newfoundland

Comments on the location information

  • LOCATION AND GEOLOGIC MAPS GIVEN BY SMITH ( 1958 )

Commodities

Commodity Importance
Chromium Critical Primary
PGE Critical Tertiary

Comments on the commodity information

  • CHROMITE APPARENTLY HAS MAGNETITE RIMS

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Dunite - Serpentinized

Analytical data

Result 6 CHIP SAMPLES ACROSS ZONE WIDTHS OF 7 1/2 IN TO 7 FT
Result RANGE OF CR2O3 = 2.39 TO 9.57 %, PGM = TR.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -57.06279, 49.23486

Economic information

Geologic structures

Type of structure Local
Structure description Appears To Be In Sequence Peridotite - Dunite With Chromite - Clinopyroxenite; Local Flowage Folds Present

Ore body information

  • General form PODIFORM
    Strike N 35 E
    Dip 60 - 80 DEG
    Width 9.14M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name North Arm Mountain

Comments on the workings information

  • 8 OUTCROP EXPOSURES RANGING FROM 10 X 20 FT TO 180 X 80 FT OVER DISTANCE OF 3/4 MILE - ZONE COMPOSED OF CLOSELY SPACED LENSES OF CHROMITE

Comments on development

  • ECON.COM: MAX. GRADE CONC. 41 % CR2O3 AND CR TO FE RATIO OF 1.70 TO 1.0 .

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1977 Page, Norman J. U.S. Geological Survey

Beyond USGS

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