File:Annual report (1910) (14750278096).jpg

Identifier: annualreport191002onta (find matches)
Title: Annual report
Year: 1891 (1890s)
Authors: Ontario. Dept. of Mines
Subjects: Mines and mineral resources
Publisher: Toronto
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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watin hanging wall and ex-tending downward into the sill. downward from the Keewatin into the underlying, intrusive Nipissing diabase. Thevein on the property, shown on accompanying maps under the name Cobalt Central,passes from the surface downward through the Nipissing diabase into the Cobalt series,which here forms the foot-wall of the diabase sill. Moreover, blind veins, or veinsthat do not outcrop at the surface, have been worked on several properties. One ofthe most interesting of these occurs beneath Peterson lake. This vein is in theKeewatin, which is here overlain by the Nipissing diabase sill. The vein runs up tothe bottom of the sill, but not into it. Fig. 7 and the colored general cross-section,R. S. D. E. T. J. U. V., bring out the relationship of the rocks and the type veinsdescribed. The colored cross-section mentioned shows the relationship of the rocks and veinsfor a distance of over four miles. It brings out the fact that the relation of the Bureau of Mines No. 4 B U
Text Appearing After Image:
1913 Cobalt=Nickel Arsenides and Silver 73 C K E

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