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
An argillite is a fine-grained sedimentary rock mainly composed of clay particles which forms from lithified muds which contain variable amounts of silt-sized particles.
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz
Iron(III) Oxide, Potassium Oxide, MgO, Silicon Dioxide