Formation
Mineral Content
Compound Content
Metamorphism
Types of Metamorphism
Weathering
Types of Weathering
Erosion
Types of Erosion
Marble is a metamorphic rock produced from limestone in the earth crust. It is formed by the metamorphism of limestone.
Garnet, Graphite, Olivine, Pyrite, Quartz
CaO, Iron(III) Oxide, FeO, MgO, Silicon Dioxide
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion
Claystone is generally quite soft, but can be hard and brittle. It forms due to weathering of mudstone.
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz
Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, MgO, Silicon Dioxide
Biological Weathering, Chemical Weathering, Mechanical Weathering
Coastal Erosion, Water Erosion