This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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
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