Batubara lan Porphyry Definition

Batubara

Porphyry

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1 Definition

1.1 definisi

coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal

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

usa

egypt

1.2.2 panemu

john peter Salley

Dingertèni

1.3 Etimologi

saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13

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

1.4 kelas

rocks sedimentary

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

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