Distribution of acid volcanic rocks in the Superior Province of the Canadian Shield.

Mapping and petrographic studies within the Shield area have been extended to a point where integration of the mass of data included in published reports and maps should provide a much more accurate view of conditions prevailing during the Precambrian time than was heretofore possible. This thesis i...

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Bibliographic Details
Main Author: Grady, John Cecil.
Other Authors: Gill, J. (Supervisor)
Format: Others
Language:en
Published: McGill University 1952
Subjects:
Online Access:http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123992