1 Definition
1.1 definisi
skarns kawangun sak metamorphism regional utawa kontak lan saka macem-macem pangolahan metasomatic nglibatno cairan saka magmatic, metamorphic, lan / utawa asal segara
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
1.2 Sajarah
1.2.1 asal
usa, australia
pennsylvania, kita
1.2.2 panemu
1.3 Etimologi
saka tembung mining swedish lawas Originally dipigunakaké kanggo njlèntrèhaké jinis gangue silicate utawa sampah rock.
saka anthrakites greek, saka anthrax, anthrak meaning coal
1.4 kelas
rocks metamorphic
rocks metamorphic
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque