Tephrite lan Gritstone Definition
definisi
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
asal
germany
pennines, england
panemu
van tooren
JJ Ferber
Etimologi
saka tephra greek, awu saka basa indo-european, kanggo ngobong
saka grit + watu
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, hard rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque