claystone iku umume cukup alus, nanging bisa dadi hard lan brittle. iku formulir amarga cuaca saka mudstone. 0
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz 0
aluminium oxide, ca, NaCl, cao, wesi (iii) oxide, MgO, silikon dioksida 0
udan biologi, udan kimia, udan mechanical 0
erosi gisik, banyu erosi 0