Renard (1888, fig. 09)
Beschrijving: Basalt of Red Hill. Section of plagioclase perpendicular to the edge P/M, with the traces of two cleavages parallel P and M; on the right, remains a part of an individual twinned following the albite law. 1/20 crossed nicols.
Plaats: Ascension Island
Auteur: Anoniem in Renard (1888)
Uit bron: Renard, A. (1888). Report on the rock specimens collected... (pagina 64)
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