توسط:
Vernon (2004), page 55, Fig. 3.7
Andesitic basalt with euhedral phenocrysts of plagioclase (grey
interference colours, multiple twinning) and pyroxene (higher-order interference
colours) set in a glassy groundmass with plagioclase microlites. Crossed polars;
base of photo 1.8 cm (Vernon, 2004)
- بازدید: 4895