Description
Authonian Mining Corp.
Commodities
PrimaryLead, Zinc, Copper, Silver
SecondaryCadmium
Commodity typeM
Deposit
Deposit sizeY
WorkingsUnderground
Orebody formNARROW VEINS AND LENSES
Ore controlNarrow Northwest Striking Fault Zones
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
GangueBismuth, Cassiterite, Marcasite, Pyrite, Pyrrhotite, Quartz, Stannite
Geology
Host rockSlate,Argillite,Siltstone · Chaleur Bay Group Sedimentary Rocks
Associated rockMafic Intrusive Rock · Quartz-Feldspar Porphyry Stock
StructureRocky 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 settingSt Lawrence Geosyncline
AlterationSericitization, Kaolinization, Saussuritization, Chloritization
Economic & production
Development statusProducer
First production1967
Discovery year1953
Identification
Deposit ID10073127
MRDS IDW018967
Alternate namesBereford Mine
RegionNA
Data scoreB
Coordinates47.73326, -65.80478
References
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. 361951 DIREXPL ANTHONIAN MINING CORP. - ORE FOUNCANADIAN MINES HANDBOOK 73 - 74 P. 321CANADIAN MINES HANDBOOK, 74 - 75 P. 314