definisi
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
panemu
Ora dingerteni
van tooren
Etimologi
saka french, kayu lignum latin + -ite1
saka tephra greek, awu saka basa indo-european, kanggo ngobong
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque