Rapakivi Granit lan Troctolite Definition

Rapakivi Granit

Troctolite

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1 Definition

1.1 definisi

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

troctolite jinis rock intrusive mafic. iku kasusun ateges Jumlah utama nanging maneko rupo olivine lan calcic plagioclase bebarengan karo pyroxene suntingan. iku anorthosite-sugih olivine, utawa sing relatif pyroxene-kurang saka gabbro

1.2 Sajarah

1.2.1 asal

finland, europe

dingerteni

1.2.2 panemu

Jakob sederholm

christian Leopold von Buch

1.3 Etimologi

saka rapakivi finnish kang stands for rock crumbly

saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)

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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