definisi
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
panemu
van tooren
Alexandre brongniart Rene Hauy
Etimologi
saka tephra greek, awu saka basa indo-european, kanggo ngobong
saka trakhus greek atos 'utawa roughness trakhutēs
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque