Browse Items (1651 total)

Contains large augite crystals

Very coarse

aluminous

orthoclase is concentrated in watery clear megacrysts with crushed borders

meatmorphosed peraluminous volcanic rock

cummingtonite-poor, brownish-green hornblende dominated

high-grade metamorphism

cordierite-bearing

mostly hornblende

thin oxide crust

coarse-grained

cordierite-bearing

contains melt-like aggregates

bedded, coarse