Porphyry lan Trachyte Definition

Porphyry

Trachyte

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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

trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali

1.2 Sajarah

1.2.1 asal

egypt

dingerteni

1.2.2 panemu

Dingertèni

Alexandre brongniart Rene Hauy

1.3 Etimologi

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

saka trakhus greek atos 'utawa roughness trakhutēs

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

plutonic

vulkanik

1.6 kategori liyane

rock grained nggoleki, rock opaque

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