- Intrusive: Big Crystals
2. Extrusive: Small Crystals
Sedimentary Rock:
1. Clastic: Broken pieces of old rock
2. Crystalline: Rock formed from liquid evaporation
3. Bioclastic: Dead animals or plants
Metamorphic Rock
1. Foliated: Rock have lines
2. Non-Foliated: Rock don't have lines
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