Anthracite lan Pegmatite Definition
definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
asal
pennsylvania, kita
dingerteni
panemu
Dingertèni
rj Hauy
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
group
ora ditrapake
plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque