aphanitic
Related Words
phaneriticigneousrockbasaltrhyoliteandesitevolcanicmagmalavacrystalgraintexturemineralcoolingextrusivecrystallizationmicroscopepetrologygeologylithologysilicatefeldsparquartzpyroxeneolivineamphiboleglassyvitreousporphyriticphenocrystgroundmassmatrixintrusioneffusionventcrustmantlesolidificationviscositytemperaturepressurevolcanismstratovolcanoshield volcanotuffobsidianpumicescoriaashtephrapyroclasticmagmatismplutonismgranitegabbrodioritesyeniteperidotitemetamorphismsedimentationlithosphereasthenospheremineralogycrystallitemicrocrystallineopaquedenseporositypermeabilityweatheringerosion