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Rhyolite
Rhyolite

Pumice
Pumice



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Pumice

Rhyolite lan Pumice Definition

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Definition

definisi

rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal

Sajarah

asal

lor amerika
spain

panemu

Ferdinand von Richthofen
Ora dingerteni

Etimologi

saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka pomis french lawas, saka varian dialect latin saka pumex

kelas

batuan beku
batuan beku

sub-kelas

awet rock, hard rock
awet rock, medium atose rock

kulawarga

group

vulkanik
vulkanik

kategori liyane

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