1 Definition
1.1 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
1.2 Sajarah
1.2.1 asal
pennines, england
dingerteni
1.2.2 panemu
JJ Ferber
christian Leopold von Buch
1.3 Etimologi
saka grit + watu
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque