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O'Connor River Gypsum Deposit

Prospect in British Columbia, Canada with commodity Gypsum-Anhydrite
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10023245
MRDS ID I000038
Record type Site
Current site name O'Connor River Gypsum Deposit

Geographic coordinates

Geographic coordinates: -136.75216, 59.66641 (WGS84)
Location accuracy 10000(meters)
Relative position Estimated Within 5 Minutes.

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Skagway C(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada British Columbia

Comments on the location information

  • DEPOSIT EXTENDS TO BOTH SIDES OF THE O'CONNOR RIVER.

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Materials information

Materials Type of material
Gypsum Ore
Anhydrite Gangue

Alteration

  • (Local) Limestone Is Altered To Skarn In Places.

Mineral occurrence model information

Model code 253
USGS model code 35a.5 (35ae)
Deposit model name Bedded gypsum: marine evaporite gypsum

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Evaporite
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -136.75216, 59.66641
ListMap

Economic information

Controls for ore emplacement

  • Northwest-Trending Shear Zone

Comments on the geologic information

  • GYPSUM IS INTERBEDDED WITH LIMESTONE, QUARTZITE, LIMESTONE BRECCIA, AND CALCAREOUS ARGILLITE.

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic
Significant No
Discovery year 1958

Ownership information

  • Type Owner
    Owner Haines Gypsum Ltd.
    Home office Vancouver, B.C

Reference information

Bibliographic references

  • Deposit

    WHITE, G.V., 1986, PRELIMINARY REPORT O'CONNOR RIVER GYPSUM DEPOSIT (114P/10E), IN GEOLOGIC FIELDWORK- 1985: BRITISH COLUMBIA MINISTRY OF ENERGY, MINES, AND PETROLEUM RESOURCES PAPER 1986-1, P. 279-282

General comments

Subject category Comment text
Deposit THREE SEPARATE GYPSUM ZONES; GYPSUM PARTLY CUTS LAYERED SEDIMENTS, PROBABLY AS A RESULT OF PLASTIC FLOW DUE TO TECTONIC MOVEMENTS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-89 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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