IGNEOUS ROCK

IGNEOUS ROCK

1. INTRUSIVE

   • SLOW COOLING
   • LARGE CRYSTALS
   • EXAMPLE
     • DIORITE
       • PHANERITIC
       • FELDASPAR
     • GABBRO
       • PHANERITIC
       • PYROXENE, AMPHIBOLE, BIOTITE
     • GRANITE
       • PHANERITIC
       • MUSCOVITE, QUARTZ
     • PERODIOTITE
       • PHANERITIC
       • BIOTITE, MICA, AMPHIBOLE, PYROXENE

2. EXTRUSIVE

   • FAST COOLING
   • SMALL CRYSTALS
   • EXAMPLE
     • BASALT
       • ALPHANETIC
       • OLIVINE, PYROXENE, FLEDASPAR
     • OBSIDIAN
       • GLASSY
       • QUARTZ
     • PUMICE
       • VESICULAR
       • QUARTZ
     • RHYOLITE
       • APHANITIC
       • GLASSY SILVER
     • ANORTHOSITE
       • PHANERITIC
       • FELDASPAR
     • SYENITE
       • PHANERITIC
       • FELDASPAR
     • RHYOLITE PORPHYRY
       • PROPHYLIT
       • MUSCOVITE, QUARTZ

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