Rapakivi Granit lan Arkose Definition

Rapakivi Granit

Arkose

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1 Definition

1.1 definisi

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

arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar

1.2 Sajarah

1.2.1 asal

finland, europe

france

1.2.2 panemu

Jakob sederholm

Alexandre brongniart

1.3 Etimologi

saka rapakivi finnish kang stands for rock crumbly

saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic

1.4 kelas

batuan beku

rocks sedimentary

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

plutonic

ora ditrapake

1.6 kategori liyane

rock grained coarse, rock opaque

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