Dacitic magma is formed by the subduction of young oceanic crust under a thick felsic continental plate. Further, the Oceanic crust is hydrothermally altered as quartz and sodium are added.
1.2.1 Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon
1.2.2 Compound Content
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide
97% Igneous Rocks Rocks have it !
1.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism
99% Igneous Rocks Rocks have it !
1.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
92% Igneous Rocks Rocks have it !
1.3.6 Types of Erosion