1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
dacite punika rock igneous vulkanik kang rintermediate ing komposisi antarane awujud lan rhyolite
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
romania lan Moldova, europe
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka Dacia, sawijining provinsi saka kekaisaran Romawi kang lay antarane Kali Danube lan Pagunungan Carpathian ngendi rock ing Pisanan
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, medium rock grained, rock opaque