definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
phyllite punika rock metamorphic nggoleki-grained karo struktur laminar uga dikembangaké, lan ing antarané slate lan Schist rocks
Sajarah
asal
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-
panemu
Alexandre brongniart Rene Hauy
Ora dingerteni
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka godhong phullon greek + -ite1
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
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kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque