Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.
Composition
Mineral Content
Augite, Olivine, Plagioclase, Pyroxene
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz
Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Transformation
Metamorphism
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Types of Metamorphism
Impact Metamorphism
Contact Metamorphism, Impact Metamorphism
Weathering
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Types of Weathering
Chemical Weathering
Biological Weathering, Chemical Weathering
Erosion
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Types of Erosion
Coastal Erosion
Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion