tatanan
Wangun chert nalika microcrystals silikon dioksida tuwuh ing endapan alus sing dadi watu gamping utawa kapur. tatanan chert bisa dadi salah siji saka asal kimia utawa biologi.
phyllite punika rock metamorphic kang kawangun dening metamorphism regional saka endapan rock wiwit panguraian sing jumeneng amargi deviatoric kaku.
isi Mineral
quartz, Silicon
albite, alusite, amphibole, apatite, biotite, chlorite, epidote, Feldspar, garnet, grafit, hornblade, kyanite, micas, muscovite utawa illite, porphyroblasts, quartz, sillimanite, staurolite, talc, zirkon
jinis erosi
erosi kimia
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi