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TitleCavendish township geophysical test range: 1973 diamond drilling
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorWilliams, D A; Scott, W J; Dyck, A V
SourceGeological Survey of Canada, Paper no. 74-62, 1975, 19 pages (2 sheets), Open Access logo Open Access
PublisherGeological Survey of Canada
MapsPublication contains 1 map
Map Info.geological, 1:2,400
Mediapaper; on-line; digital
File formatpdf
NTS31D/15SW; 31D/15SE; 31D/16SW
AreaCavendish Township
Lat/Long WENS-78.4083 -78.3958 44.8333 44.8250
Subjectsregional geology; structural geology; drillholes; pyrite; pyrrhotite
Illustrationscross-sections, structural; drillhole sections; stratigraphic sections
Released1975 06 01; 2014 01 30
AbstractDuring the winter of 1972-73, thirty-three holes averaging 100 feet in length were drilled on the geophysical test range in Cavendish Township, Ontario. The bedrock consists of Grenville mafic gneiss, crystalline limestone and granitic gneiss. Two zones of pyrite-pyrrhotite concentration are found within the gneisses. Each zone is characterized by an outer region containing approximately 2% sulphides, and an inner region with concentrations of up to 10% sulphides. The two zones appear to dip towards each other. Although traces of sphalerite and chalcopyrite were observed, no base metal concentration in excess of 600 parts per million was found.

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