definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
kenyte iku macem-macem phonolite porphyritic utawa trachyte rock karo phenocrysts rhomb shaped anorthoclase karo rupo olivine lan augite ing matrik glassy
panemu
Alexandre brongniart Rene Hauy
JW Gregory
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka gunung ranges- Gunung kenya lan dijenengi dening JW Gregory in 1900
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque