Gritstone lan Troctolite Definition
definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
troctolite jinis rock intrusive mafic. iku kasusun ateges Jumlah utama nanging maneko rupo olivine lan calcic plagioclase bebarengan karo pyroxene suntingan. iku anorthosite-sugih olivine, utawa sing relatif pyroxene-kurang saka gabbro
asal
pennines, england
dingerteni
panemu
JJ Ferber
christian Leopold von Buch
Etimologi
saka grit + watu
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
group
ora ditrapake
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque