Websterite lan Rapakivi Granit Definition

Websterite

Rapakivi Granit

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1 Definition

1.1 definisi

websterite punika ultramafic lan ultrabasic rock sing kasusun saka takeran kira-kira witjaksono orthopyroxene lan clinopyroxene. iku jinis khusus saka pyroxenite.

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

1.2 Sajarah

1.2.1 asal

webster, North Carolina

finland, europe

1.2.2 panemu

Dingertèni

Jakob sederholm

1.3 Etimologi

saka kutha webster dumunung ing North Carolina

saka rapakivi finnish kang stands for rock crumbly

1.4 kelas

batuan beku

1.4.1 sub-kelas

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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