tatanan
claystone iku umume cukup alus, nanging bisa dadi hard lan brittle. iku formulir amarga cuaca saka mudstone.
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
isi Mineral
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz
analcime, apatite, barite, kalsit, chalcopyrite, chlorite, chromite, clausthalite, mineral lempung, grup crandallite, dolomite, Feldspar, galena, gypsum, marcasite, muscovite utawa illite, pyrite, quartz, siderite, sphalerite, zirkon
senyawa isi
aluminium oxide, ca, NaCl, cao, wesi (iii) oxide, MgO, silikon dioksida
karbon, hidrogen, nitrogen, oksigen, belerang