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
Sajarah
asal
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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
kulawarga
group
plutonic
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kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque