lan argillite punika rock sedimentary nggoleki-grained utamané dumadi saka partikel lempung kang formulir saka lumpur lithified kang ngandut global partikel silt-ukuran.
phyllite punika rock metamorphic kang kawangun dening metamorphism regional saka endapan rock wiwit panguraian sing jumeneng amargi deviatoric kaku.
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz
albite, alusite, amphibole, apatite, biotite, chlorite, epidote, Feldspar, garnet, grafit, hornblade, kyanite, micas, muscovite utawa illite, porphyroblasts, quartz, sillimanite, staurolite, talc, zirkon
wesi (iii) oxide, kalium oxide, MgO, silikon dioksida
cao, karbon dioksida, MgO
erosi kimia
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi