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Aphanitic
fine grained, fast cooling
Phaneritic
coarse grained, slow cooling, visible crystals
Glassy
very fast cooling
vesicular
contains vesicles
Pyroclastic
composed of broken rock fragments and lava and ash
Porphyritic
big crystals and small crystals, large crystals in a fine-grained matrix
Tuff
welded rock fragments, ash, lava (pyroclastic texture)
Rhyolite (Extrusive)
Granite (intrusive) Felsic
Andesite (extrusive)
Diorite (intrusive) intermediate
Basalt (extrusive)
Gabbor (intrusive) mafic
komatite (extrusive)
peridotite (intrusive) ultramafic
