definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
granophyre jinis rock granitic kang kasusun saka intergrown Feldspar lan quartz kristal ing medium kanggo nggoleki groundmass grained
Sajarah
asal
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panemu
Alexandre brongniart Rene Hauy
Ora dingerteni
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka granophyr german, saka Granit granit + porphyr
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque