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