albite, alusite, amphibole, apatite, biotite, chlorite, epidote, Feldspar, garnet, grafit, hornblade, kyanite, micas, muscovite utawa illite, porphyroblasts, quartz, sillimanite, staurolite, talc, zirkon
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi