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2. Chapters on the Mineralogy of Scotland

Published online by Cambridge University Press:  15 September 2014

Heddle
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Extract

In this Chapter, Dr Heddle discussed the substances usually thrown together, under the term of Chloritic Minerals. He showed, by an extensive series of analyses, that they were to be divided into three groups—those which occurred in metamorphic rocks, in recent strata, and in volcanic rocks.

He proposed to confine the term Chloritic to the minerals which are found in metamorphic rocks, and to apply the term, the Saponites, to those which occur in volcanic rocks.

Type
Proceedings 1878–79
Information
Proceedings of the Royal Society of Edinburgh , Volume 10 , 1880 , pp. 76 - 77
Copyright
Copyright © Royal Society of Edinburgh 1880

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