definisi
granophyre jinis rock granitic kang kasusun saka intergrown Feldspar lan quartz kristal ing medium kanggo nggoleki groundmass grained
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
Sajarah
asal
-
Ethiopia
panemu
Ora dingerteni
obsius
Etimologi
saka granophyr german, saka Granit granit + porphyr
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
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock opaque