definisi
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
Sajarah
asal
-
-
panemu
Ora dingerteni
rj Hauy
Etimologi
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
plutonic
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque