Rhyolite lan Shoshonite Definition

Rhyolite

Shoshonite

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1 Definition

1.1 definisi

rhyolite punika rock igneous nggoleki-grained kang sugih ing silika

shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored

1.2 Sajarah

1.2.1 asal

lor amerika

wyoming, usa

1.2.2 panemu

Ferdinand von Richthofen

iddings

1.3 Etimologi

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

saka panggonan asal disebut shoshone riverin wyoming

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

vulkanik

1.6 kategori liyane

rock grained coarse, rock opaque

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

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