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type of rocks - Coggle Diagram

- - - - Basalt.
        
        Basalt Porphyry.
        
        Dunite.
        
        Gabbro.
        
        Granite.
        
        Granite.
        
        Obsidian.
        
        Pegmatite
    - - what are igneous rocks
        
        Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and solidification of magma or lava.
- - - - Sedimentary rock is a rock formed by the accumulation or deposition of mineral or organic particles on the surface of the earth and then cemented.
- - - - Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism
    - - Slate. ...
        
        Phyllite. ...
        
        Graywacke. ...
        
        Quartzite. ...
        
        Gneiss. ...
        
        Schists. ...
        
        Serpentine