albite, alusite, amphibole, apatit, biotit, klorit, epidot, feldspar, warna merah tua, grafit, hornblade, kyanite, mika, muskovit atau ilit, porphyroblasts, kuarsa, sillimanite, staurolite, talek, zirkon
erosi kimia, erosi pantai, erosi gletser, erosi air, erosi angin