Porphyry lan Anthracite Definition

Porphyry

Anthracite

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1 Definition

1.1 definisi

porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained

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

1.2 Sajarah

1.2.1 asal

egypt

pennsylvania, kita

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin

saka anthrakites greek, saka anthrax, anthrak meaning coal

1.4 kelas

batuan beku

rocks metamorphic

1.4.1 sub-kelas

awet rock, hard rock

awet rock, rock alus

1.5 kulawarga

1.5.1 group

plutonic

ora ditrapake

1.6 kategori liyane

rock grained nggoleki, rock opaque

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

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