definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
slate punika, kabeh podho rock metamorphic nggoleki-grained, foliated asalé saka krikel-jinis sedimentary rock asli dumadi saka lempung utawa awu vulkanik liwat kurang-bahan metamorphism regional
panemu
Alexandre brongniart Rene Hauy
Abraham Gottlob Werner
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka lawas esclate french, saka esclat (french éclat)
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque