Obsidian lan Laterite Definition
definisi
obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal
laterit rock jinis rock sedimentary kang sugih ing wesi lan aluminium, kawangun ing wilayah tropis panas lan udan
panemu
obsius
francis Buchanan-Hamilton
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka latin mengko bata, kothak + -ite1
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kategori liyane
rock opaque
rock grained nggoleki, rock opaque