Mine detail: Nigadoo River Mine

Previously called 'Bereford Mine'

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Location

Lat / long:

47.73326, -65.80478

Resource(M)

Primary:	Lead, Zinc, Copper, Silver
Secondary:	Cadmium
Ore:	Chalcopyrite, Galena, Sphalerite
Gangue:	Bismuth, Cassiterite, Marcasite, Pyrite, Pyrrhotite, Quartz, Stannite
Orebody form:	NARROW VEINS AND LENSES
Discovery year:	1953

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1967

Geology

Host rock:	Chaleur Bay Group Sedimentary Rocks
Host type:	Slate,Argillite,Siltstone
Associated rock:	Quartz-Feldspar Porphyry Stock
Associated type:	Mafic Intrusive Rock
Structure:	Rocky Brook - Mill Stream Break (Major Fault System). St. Lawrence Geosyncline, Major Syncline, Many Smaller Folds; Main Nw. Trending Fault, Numerous En Echelon Tension Faults
Tectonic:	St Lawrence Geosyncline
Alteration processes:	Sericitization, Kaolinization, Saussuritization, Chloritization

References

MRDS	W018967
DEP	10073127
Reference	{Deposit:: DAVIES, J. L. ET AL, 1969, GEOLOGY AND MINERAL DEPOSITS OF THE NIGADOO R. - MILLSTREAM R. AREA, GLOUCESTER CO., N.B.; GEOL. SURV. CAN. PAPER 67 - 49 P. 3}{Deposit:: 1951 DIREXPL ANTHONIAN MINING CORP. - ORE FOUN}{Production:: CANADIAN MINES HANDBOOK 73 - 74 P. 321}{Reserve-Resource:: CANADIAN MINES HANDBOOK, 74 - 75 P. 314}
Reporter	Schruben, Paul G.