1 Definition
1.1 definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
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
1.2.2 panemu
Alexandre brongniart Rene Hauy
christian Leopold von Buch
1.3 Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque