Nepheline Syenite lan Shoshonite Definition

Nepheline Syenite

Shoshonite

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1 Definition

1.1 definisi

syenite nepheline punika rock plutonic holocrystalline resembling syenite nanging ngemot nepheline lan kakurangan quartz

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

dingerteni

wyoming, usa

1.2.2 panemu

Dingertèni

iddings

1.3 Etimologi

saka asal saka syenite palaeozoic nepheline saka Provinsi Shanxi lor, china

saka panggonan asal disebut shoshone riverin wyoming

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

plutonic

vulkanik

1.6 kategori liyane

rock grained nggoleki, rock opaque

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

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