extrusive
Related Words
volcanicintrusiveplutonicmagmalavavolcanoigneousrockbasaltandesiterhyoliteobsidianpumicescoriatephraashventcratercalderaeruptionflowpyroclasticviscositysilicagaspressurecrustmantlelithosphereasthenosphereplatetectonicssubductionrifthotspotmagmatismcrystallizationcoolingquenchglassyaphaniticporphyriticvesicularextrudeextrusioneffusionpyroclastbomblapillituffbrecciastratovolcanoshield volcanocinder conefissuredikesilllaccolithbatholithplutonxenolithmineralfeldsparolivinepyroxeneamphibolequartz