Renard (1888, fig. 06)
Beschrijving: Trachyte of Weather Post Hill. Section of Sanidine cut almost parallel to P/M, Carlsbad twin. The composition plane is M, and an other face probably
probably ∞ P 3. 1/20 crossed nicols.
Plaats: Ascension Island
Auteur: Anoniem in Renard (1888)
Uit bron: Renard, A. (1888). Report on the rock specimens collected... (pagina 51)
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