tatanan
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
laterit jinis rock sedimentary kang umume produk reddish cuaca saka basalt.
isi Mineral
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
oksida aluminium, biotite, hematite, hornblade, oksida wesi, oksida manganese, micas, muscovite utawa illite, plagioclase, pyroxene
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide