Lignite lan Gritstone Definition
definisi
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
asal
france
pennines, england
panemu
Ora dingerteni
JJ Ferber
Etimologi
saka french, kayu lignum latin + -ite1
saka grit + watu
kelas
rocks sedimentary
rocks sedimentary
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 opaque