Graywacke rock is a type of sedimentary rock, which is also known as immature sandstone, which is indurated, dark grey and consisting of poorly sorted angular to sub-angular, sand-sized grains.
1.2.1 Mineral Content
Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz
1.2.2 Compound Content
Aluminium Oxide, NaCl, CaO, Chromium(III) Oxide, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
19% Sedimentary Rocks Rocks have it !
1.3.2 Types of Metamorphism
78% Sedimentary Rocks Rocks have it !
1.3.4 Types of Weathering
Biological Weathering, Chemical Weathering
86% Sedimentary Rocks Rocks have it !
1.3.6 Types of Erosion
Coastal Erosion, Sea Erosion, Wind Erosion