definisi
slate punika, kabeh podho rock metamorphic nggoleki-grained, foliated asalé saka krikel-jinis sedimentary rock asli dumadi saka lempung utawa awu vulkanik liwat kurang-bahan metamorphism regional
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
panemu
Abraham Gottlob Werner
Ora dingerteni
Etimologi
saka lawas esclate french, saka esclat (french éclat)
saka french, kayu lignum latin + -ite1
kelas
rocks metamorphic
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque