Shoshonite lan Rapakivi Granit Definition

Shoshonite

Rapakivi Granit

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1 Definition

1.1 definisi

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

rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase

1.2 Sajarah

1.2.1 asal

wyoming, usa

finland, europe

1.2.2 panemu

iddings

Jakob sederholm

1.3 Etimologi

saka panggonan asal disebut shoshone riverin wyoming

saka rapakivi finnish kang stands for rock crumbly

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

awet rock, hard rock

1.5 kulawarga

1.5.1 group

vulkanik

plutonic

1.6 kategori liyane

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

rock grained coarse, rock opaque

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