definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
gneiss jinis umum lan digunakake mbagekke saka rock kawangun dening pangolahan metamorphic regional dhuwur-bahan saka tatanan-ana wis sing padha Originally siji batuan beku utawa sedimentary
Sajarah
asal
pennsylvania, kita
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panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka dhuwur german gneist tembung tengah (kanggo narik; supaya disebut amarga rock ing glitters)
kelas
rocks metamorphic
rocks metamorphic
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
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kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, medium rock grained, rock opaque