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A Schist Granite Transition Zone in Ontario

Freleigh Fitz Osborne
The Journal of Geology
Vol. 38, No. 1 (Jan. - Feb., 1930), pp. 75-80
Stable URL: http://www.jstor.org/stable/30058910
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Schist Granite Transition Zone in Ontario
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Abstract

A belt of old schists is separated from the granite that intrudes it by a transition zone, which consists of foliated rocks formed by the metasomatism of the schist. Some porphyritic rocks have been developed. There is no evidence that the rocks of the transition zone were fused or that they were in the state of a "crystal mush."

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