1, No. 5, Jul. - Aug., 1893 The Basic Massive Rocks of the Lake Supe... The Basic Massive Rocks of the Lake Superior Region This is the metadata section. Skip to content viewer section.
The amounts of radium actually found in the surface rocks are approximately as follows: Acid 3 X 10_i2 grammes per gramme Intermediate.. 2 Basic 1 Ultrabasic....0.5 In addition to the elements of ...
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