Picrite lan Porphyry Definition

Picrite

Porphyry

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1 Definition

1.1 definisi

picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral

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

pulo hawaii

egypt

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka pikros greek pait + -ite, abad ka-19

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

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

vulkanik

plutonic

1.6 kategori liyane

rock grained nggoleki, rock opaque

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