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Nigadoo River Mine

Producer in New Brunswick, Canada with commodities Lead, Zinc, Copper, Silver, Cadmium
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10073127
MRDS ID W018967
Record type Site
Current site name Nigadoo River Mine
Alternate or previous names Bereford Mine

Geographic coordinates

Geographic coordinates: -65.80478, 47.73326 (WGS84)
Relative position 6 KM W. OF NIGADOO (TOWN) WHICH IS 14 KM NORTH 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

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Copper Primary
Silver Primary
Cadmium Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Bismuth Gangue
Cassiterite Gangue
Marcasite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Stannite Gangue

Alteration

  • (Local) Sericitization, Kaolinization, Saussuritization, Chloritization

Analytical data

Result ORE RESERVES 11-71 - 0.24% CU, 3.23% PB, 3.22% ZN, 138 G/MT AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Rock unit name Quartz-Feldspar Porphyry Stock
    Rock description Quartz-Feldspar Porphyry Stock
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Chaleur Bay Group Sedimentary Rocks
    Rock description Chaleur Bay Group Sedimentary Rocks
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) -65.80478, 47.73326
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Rocky Brook - Mill Stream Break (Major Fault System). St. Lawrence Geosyncline
Type of structure Local
Structure description Major Syncline, Many Smaller Folds; Main Nw. Trending Fault, Numerous En Echelon Tension Faults

Ore body information

  • General form NARROW VEINS AND LENSES
    Strike NW
    Dip STEEP
    Length 1050M
    Width 23M
    Depth to bottom 550M

Controls for ore emplacement

  • Narrow Northwest Striking Fault Zones

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1953
Discoverer Authonian Mining Corp.
Year of first production 1967

Mining district

District name Bathurst - Newcastle Dist.

Ownership information

  • Type Owner-Operator
    Owner Sullivan Mining Group, Ltd.

Comments on the production information

  • ITEM ONE - PHYSICAL YEAR TO 8-31-71. ITEM 8 - 9072 MTPD MILL START UP 11-1-67. LABOR STRIKE 11-21-71, PLANT CLOSED. OPERATIONS RESUMED EARLY 1974.

Reserves and resources

  • Type In-situ
    Estimate year 1971
    Total resources 1130000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.23 wt-pct Lead Major 1971
    Zinc Zn 3.22 wt-pct Zinc Major 1971
    Copper Cu 0.24 wt-pct Copper Major 1971
    Silver Ag 138 g/mt Silver Major 1971

Workings at the site

  • Type of workings Underground
    Overall depth 472M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 2 MILLION MET TONS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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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