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  3. Mineral Resource Data System (MRDS)

Mar

Occurrence in Yukon Territory*, Canada with commodity Tungsten
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10024784
MRDS ID ISM0536
Record type Site
Current site name Mar
Alternate or previous names Ray Gulch, Dublin Gulch

Geographic coordinates

Geographic coordinates: -135.74607, 64.03819 (WGS84)
Relative position OREBODY

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Yukon Territory*

Commodities

Commodity Importance
Tungsten Critical Primary

Comments on the commodity information

  • TUNGSTEN

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Rock unit name Grit Unit (Informal Name);Grit Unit
    Rock description Grit Unit (Informal Name);Grit Unit
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -135.74607, 64.03819
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Economic information

Geologic structures

Type of structure Regional
Structure description Contact Aureole Of Mid-Cretaceous Granite Pluton.

Comments on the geologic information

  • ; SCLT + CLPX + QRTZ + ACNL + CLCT + PLGC + SCPL + GRNT + VSVN + TTNT + APTT; SCHEELITE OCCURS IN SEVERAL SEPARATE SKARN ZONES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1942

Mining district

District name Mayo

Ownership information

  • Type Owner
    Owner Queenstake Resources Ltd.

Comments on the reserve resource information

  • ORE
  • RR41: RR42 ORE INCLUDED IN RR41

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. ( H,X;PRICE OF TUNGSTEN;). ASSESSMENT(UNDEVELOPED DEPOSIT; DEVELOPMENT WILL DEPEND ON ECONOMIC FACTORS, MAINLY TU NGSTEN PRICE.);

Reference information

Bibliographic references

  • Deposit

    LENNAN,W.B., 1983, RAY GULCH TUNGSTEN SKARN DEPOSIT, DUBLIN GULCH AREA (ABS TRACT), IN MINERAL DEPOSITS OF NORTHERN CORDILLERA, PROGRAM WITH ABSTRACTS, CAN ADIAN INSTITUTE OF MINING AND METALLURGY, P. 28-29.

  • Deposit

    ANON, 1986, QUEENSTAKE UPDATE; MINING JOURNAL, VOL. 306, NO. 7858, MARCH 28 , 1986, P. 226

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.).
Deposit Discovery Year: OREBODIES OUTLINED BY DRILLING IN 1979-80; SHOWINGS FOUND IN 1942.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1986 Sinclair, W.David Geological Survey of Canada

Beyond USGS

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

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