Anthracite lan Hornfels Definition

Anthracite

Hornfels

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1 Definition

1.1 definisi

Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur

hornfels punika rock metamorphic kawangun dening kontak antarane mudstone utawa sugih lempung rock, lan awak igneous panas, lan nggantosi padha panas ngrubah saka rock asli

1.2 Sajarah

1.2.1 asal

pennsylvania, kita

new zealand

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka anthrakites greek, saka anthrax, anthrak meaning coal

saka german kang tegese hornstone

1.4 kelas

rocks metamorphic

1.4.1 sub-kelas

awet rock, rock alus

1.5 kulawarga

1.5.1 group

ora ditrapake

1.6 kategori liyane

rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque

rock grained nggoleki, rock opaque

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