Troctolite lan Gritstone Definition
definisi
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
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
asal
dingerteni
pennines, england
panemu
christian Leopold von Buch
JJ Ferber
Etimologi
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
saka grit + watu
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, hard rock
group
plutonic
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque