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Title: The geology and some genetic aspects of Fox mine mineralization, Northern Manitoba
Authors: Obinna, Fortunatus Chigozi
Issue Date: 1974
Abstract: The Fox Lake copper-zinc deposit is an example of an orebody within a metamorphic environment. Laboratory study of the sulphides, the host meta-sedimentary and meta-volcanic rocks reveals that the host rocks and the ore were involved in repeated metamorphic processes. However, there is a relatively narrow band of low grade (Greenschists facies) metamorphic rocks adjoining the ore and this grades imperceptibly into the higher grade metamorphic (Amphibolite facies) country rocks. This is the "alteration zone" of the orebody. Petrographic study leads to the suggestion that the alteration zone resulted from retrograde metamorphism induced by hydrothermal solutions. This introduces a paradox in the time relationship between the ore emplacement and metamorphism. This paradox is unresolved... An epigenetic origin of the ore is suggested. It is further suggested that the ore probably followed the andesitic basaltic volcanic rocks which were all involved in later phases of deformation and metamorphism probably during Kenoran and Hudsonian orogenic epochs.`
Other Identifiers: ocm72795021
Appears in Collection(s):FGS - Electronic Theses & Dissertations (Public)
Manitoba Heritage Theses

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