Description
Quarterly of the Colorado School of Mines Volume 50 Number 1 January 1955: Classification of Rocks
by Dr. Russell B. Travis
This book has a simple, well laid, out easy to use classification system for igneous, sedimentary and metamorphic rocks. It should be noted that for the less serious rock hounds it does not have many pictures. Some of the terminology and classifications are out of date today but it remains useful, especially if you are reading older publications.
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