1 Definition
1.1 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
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
christian Leopold von Buch
iddings
1.3 Etimologi
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
saka panggonan asal disebut shoshone riverin wyoming
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque