Porphyry lan Rhyolite Definition

Porphyry

Rhyolite

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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

rhyolite punika rock igneous nggoleki-grained kang sugih ing silika

1.2 Sajarah

1.2.1 asal

egypt

lor amerika

1.2.2 panemu

Dingertèni

Ferdinand von Richthofen

1.3 Etimologi

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

saka rhyolit german, saka stream lahar greek rhuax + watu lithos

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

plutonic

vulkanik

1.6 kategori liyane

rock grained nggoleki, rock opaque

rock grained coarse, rock opaque

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