lan argillite punika rock sedimentary nggoleki-grained utamané dumadi saka partikel lempung kang formulir saka lumpur lithified kang ngandut global partikel silt-ukuran.
soapstone punika talc-Schist, kang jinis rock metamorphic lan iku umumé dumadi saka talc Mineral lan kanthi mangkono inmagnesium sugih.
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz
albite, apatite, biotite, kalsit, karbonat, mineral lempung, hornblende, ilmenite, micas, plagioclase, pyroxene, quartz
wesi (iii) oxide, kalium oxide, MgO, silikon dioksida
cao, mg, MgO
ora ditrapake
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional