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
kenyte iku macem-macem phonolite porphyritic utawa trachyte rock karo phenocrysts rhomb shaped anorthoclase karo rupo olivine lan augite ing matrik glassy
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
christian Leopold von Buch
JW Gregory
1.3 Etimologi
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
saka gunung ranges- Gunung kenya lan dijenengi dening JW Gregory in 1900
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 nggoleki, rock opaque