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ROCKS - Coggle Diagram

- - - - rock with high aluminium content, main source of aluminium and gallium
    - - rock found within finer-grained water-deposited sedimentary rocks
  - - - formed by the accumulation of wind-blown dust
    - - rock composed mainly of sand-sized silicate grains
      - granular material composed of finely divided rock and mineral particles
    - - fine-grained natural soil material that contains hydrous aluminium phyllosilicates that develops plasticity when wet
    - - loose aggregation of rock fragments, particle size range and includes size classes from granule- to boulder-sized
  - - - composed of calcite and aragonite, different crystal forms of calcium carbonate
    - - anhydrous carbonate mineral composed of calcium magnesium carbonate
    - - also known as turf, is an accumulation of partially decayed vegetation or organic matter
        
        Ignite / Brown coal
        
        soft, brown rock formed from naturally compressed peat
        
        Black coal / Bituminos coal
        
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- - - - composed mostly of quartz, alkali feldspar, and plagioclase, forms from magma with a high content of silica and alkali metal oxides that slowly solidifies underground
    - - silicate minerals plagioclase feldspar, biotite, hornblende, and/or pyroxene, composition of diorite is intermediate, between gabbro and granite
    - - a phaneritic, mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma
  - - - formed from the rapid cooling of lava rich in magnesium and iron
    - - the intermediate type between basalt and rhyolite, fine-grained to porphyritic in texture, and is composed of sodium-rich plagioclase
    - - most silica-rich of volcanic rocks. It is generally glassy or fine-grained
- - - - solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic, it is formed from graphite