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Rocks - Coggle Diagram
Rocks
Igneous
Form from the cooling and solidification of lava or magma
Intrusive
Magma cools slowly
Large crystals form
Extursive
Lava cools quickly
Small or no crystals form
May be vesicular
Contains air bubbles
Metamorphic
Rocks are changed as a result of exposure to intense heat and/ or pressure
Contract metamorphism
Heat
Regional metamorphism
Pressure
Sedimentary
Generally form from the compaction and cementation of sediment
Clastic
Compacted sediments
Classified by sized
Organic/Crystalline
Evaporites
Precipitates
Biological matter
Minerals
Classified based on their form