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Anthracite
Anthracite

Porphyry
Porphyry



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Anthracite
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Porphyry

Anthracite lan Porphyry Definition

1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
egypt
1.2.2 panemu
Dingertèni
Dingertèni
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
plutonic
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque