Provides a unified series of symbols and ornaments for the representation of magmatic rocks. The symbols and ornaments may be divided in two groups as follows: principal types; varia. They have been reproduced in two tables which, being derived from a logical system, may be completed easily in case of need.
Status: PublishedPublication date: 1974-09
Edition: 1Number of pages: 6
Technical Committee: ISO/TC 82 Mining
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|std 2 40||Paper|