Stratigraphie Position of Sulphides in the Archean

CIM Bulletin1965
W. W. Moorhouse Depa rtment of Geology, University of Toronto, Toronto, Ont.
A survey of recent literature indicates that sulphides occur in the volcanic rocks of the Archean, or in sedimentary rocks intercalated with the volcanic rocks. The thick sedimentary sections are generally poor in sulphides. Thus, the widespread pyrite and pyrrhotite mineralization in the Archean may be largely of volcanic origin.
Keywords: Archean, Archean, pyrite, pyrrhotite, sedimentary, volcanic, sediments, sulphide, Sulphides, Tuffs, Volcanic, Volcanic rocks, Volcanics
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