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
travertine punika Mineral dumadi saka kalsium karbonat dilapisi kawangun dening Deposition saka spring Waters
Sajarah
asal
-
italy
panemu
christian Leopold von Buch
Marcus vitruvius pollio
Etimologi
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
saka travertino italian jenis bangunan watu, saka tiburs, kata saka tibur (Tivoli), ing Italia
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
plutonic
-
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque