Shoshonite lan Taconite Definition

Shoshonite

Taconite

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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

taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika

1.2 Sajarah

1.2.1 asal

wyoming, usa

western australia, Minnesota

1.2.2 panemu

iddings

Newton Horace Winchell

1.3 Etimologi

saka panggonan asal disebut shoshone riverin wyoming

saka jeneng gunung taconic ing england anyar

1.4 kelas

batuan beku

rocks sedimentary

1.4.1 sub-kelas

awet rock, medium atose 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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