Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
Wangun konglomerat ngendi endapan dumadi utamané saka krikil lan cobble-ukuran clasts rong milimeter diameteripun wiwit accumulating.
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
lempung, wedhi, silika, silt
karbon, hidrogen, nitrogen, oksigen, belerang
NaCl, cao
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, metamorphism regional