Litchfieldite lan Rapakivi Granit Definition

Litchfieldite

Rapakivi Granit

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1 Definition

1.1 definisi

litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite

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

1.2 Sajarah

1.2.1 asal

usa

finland, europe

1.2.2 panemu

Bayley

Jakob sederholm

1.3 Etimologi

saka occurrence ing Litchfield, maine, usa

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

plutonic

1.6 kategori liyane

rock grained coarse, rock opaque

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