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Brunswick Nos. 6 and 12 Deposits

Producer in New Brunswick, Canada with commodities Lead, Zinc, Copper, Silver
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Production statistics
  18. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10107323
MRDS ID W018873
Record type Site
Current site name Brunswick Nos. 6 and 12 Deposits

Geographic coordinates

Geographic coordinates: -65.89367, 47.47493 (WGS84)
Relative position 26 KM SW. OF BATHURST.

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada New Brunswick

Comments on the location information

  • LAT AND LONG ARE FOR NO. 12 OREBODY. NO. 6 COORDINATES ARE 47 DEG 24 MIN 40 SEC N, 66 DEG 49 MIN 15 SEC W

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Copper Secondary
Silver Secondary

Comments on the commodity information

  • RECOVERY FOR ZINC IS 70%, COPPER AND SILVER - 50%

Materials information

Materials Type of material
Anglesite Ore
Bornite Ore
Boulangerite Ore
Cassiterite Ore
Chalcocite Ore
Chalcopyrite Ore
Covellite Ore
Enargite Ore
Galena Ore
Magnetite Ore
Marcasite Ore
Pyrite Ore
Pyrrhotite Ore
Silver Ore
Sphalerite Ore
Stannite Ore
Barite Gangue
Calcite Gangue
Chlorite Gangue
Dolomite Gangue
Graphite Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Chloritization, Sericitization, Pyritization

Analytical data

Result 1973 RESERVES 3.2% PB, 8.0% ZN, 0.39% CU, 85 G/MT AG.

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Tetagouche Group Rhyolite, Rhyolite Tuffs
    Rock description Tetagouche Group Rhyolite, Rhyolite Tuffs
    Stratigraphic age (youngest) Middle Ordovician
    Stratigraphic age (youngest) Middle Ordovician
    Stratigraphic age (youngest) Middle Ordovician
    Stratigraphic age (youngest) Middle Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Tetagouche Group Iron Formation, Augen Schist, Etc
    Rock description Tetagouche Group Iron Formation, Augen Schist, Etc
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -65.89367, 47.47493
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description No. 6 Is On The West Side Of The Brunswick Anticline.
Type of structure Local
Structure description Isoclinal South Plunging Folds. Austin Brook Fault And Other North To Nw. Trending Faults

Ore body information

  • General form ELONGATE LENSES

Controls for ore emplacement

  • Origin Still In Question. Assuming A Replacement Origin, Control Is By Dilatant Zones In Shear Fold Zone

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1952
Discoverer M. J. Boylen Organization, Mc Phar Geophysics Ltd.
Year of first production 1964

Mining district

District name Bathurst - Newcastle Dist.

Ownership information

  • Type Owner-Operator
    Owner Brunswick Mining And Smelting Corp.

Production statistics

  • Year 1973
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2.8 % Pb, 7. % Zn, .34 % Cu, 90 G/Mt Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 2846g/mt
    Ore Copper Copper 0wt-pct
    Ore Zinc Zinc 7wt-pct
    Ore Lead Lead 3wt-pct

Comments on the production information

  • ITEM ONE - CONCENTRATES PRODUCED - 139,200 MT PB CONC., 300,100 MT ZN CONC., 18,000 MT CU CONC. NO. 12 CONCENTRATOR ON STREAM 3-64 AT 4082 MTPD, INCR. 1971 TO 5715 MTPD. NO. 6 CONCENTRATOR ON STREAM 9-66 AT 2722 MTPD. SMELTER AND REFINERY AT BELLEDUNE 32 KM NW OF BATHURST.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 12790000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 0.45 wt-pct Lead Major 1973
    Zinc Zn 1.27 wt-pct Zinc Major 1973
    Copper Cu 1.11 wt-pct Copper Minor 1973
    Silver Ag 35 g/mt Silver Minor 1973

Comments on the workings information

  • THE LARGEST BODY AT NO. 6 IS 120 M. WIDE 300 M. LONG, LENS SHAPED, OCCUPYING THE TROUGH OF AN S-SHAPED DRAG OR SHEAR FOLD. NO. 12 OREBODY IS 60 M. WIDE, 400 M. LONG, OVER 1100 M. DEEP IN A Z-SHAPED DRAG FOLD.

Comments on development

  • ECON.COM: ANGLESITE COATING ON SOME LEAD ORE PARTICLES IS LARGELY RESPONSIBLE FOR LOW (67.9%) PB RECOVERY IN FLOTATION

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 135 MILLION MET TONS
Deposit ADDITIONAL REFERENCES. LEA, E. R. AND RANCOURT C., 1958, GEOLOGY OF THE BRUNSWICK MINING AND SMELTING OREBODIES, GLOUCESTER COUNTY, N.B., CAN. MINING AND METALL BULL, V. 51, NO. 551 P. 167-177. MINING MAGAZINE 1-75 P. 5.
Deposit Discovery Year: 1952 NO. 6, 1953 NO. 12
Deposit First Production Year: 1964 NO. 12, 1966 NO. 6

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1976 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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