Shoshonite lan Gritstone Definition

Shoshonite

Gritstone

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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

gritstone utawa grit punika hard, coarse-grained, siliceous sandstone

1.2 Sajarah

1.2.1 asal

wyoming, usa

pennines, england

1.2.2 panemu

iddings

JJ Ferber

1.3 Etimologi

saka panggonan asal disebut shoshone riverin wyoming

saka grit + watu

1.4 kelas

batuan beku

rocks sedimentary

1.4.1 sub-kelas

awet rock, medium atose rock

awet rock, hard rock

1.5 kulawarga

1.5.1 group

vulkanik

ora ditrapake

1.6 kategori liyane

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

rock grained coarse, rock opaque

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