Beschrijving Trachyte of Red Hill. Large section of sanidine in a vitreous ground-mass is surrounded by small lamellar crystals superimposed and twinned, embedded in the base. The cracks traversing the large section are almost perpendicular to M. 1/40 crossed nicols.
Plaats: Ascension IslandAuteur Anoniem in Renard (1888)Uit bron Renard, A. (1888). Report on the rock specimens collected... (pagina 52)Download de volledige versie
