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
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
1.2 Sajarah
1.2.1 asal
dingerteni
finland, europe
1.2.2 panemu
christian Leopold von Buch
Jakob sederholm
1.3 Etimologi
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
saka rapakivi finnish kang stands for rock crumbly
1.4 kelas
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