Adamellite lan Obsidian Definition
definisi
adamellite punika porphyritic rock igneous coarse-grained, macem-macem monzogranite lan didominasi dening phenocrysts saka orthoclase ing groundmass granular saka perthite, plagioclase lan quartz
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
Etimologi
saka adamellit german lan saka monte adamello, gunung ing Italia, lokalitas sawijining
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock opaque