definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
breccia punika rock dumadi saka pecahan sudut saka watu kang cemented dening materi calcareous becik
panemu
Alexandre brongniart Rene Hauy
Dingertèni
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka italian, secara harfiah kerikil, asal Jerman lan related kanggo break
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
group
vulkanik
ora ditrapake
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, medium rock grained, rock opaque