Nephelinite lan Trondhjemite Definition

Nephelinite

Trondhjemite

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1 Definition

1.1 definisi

nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).

trondhjemite punika leucocratic (cahya colored) intrusive igneous rock. iku macem-macem tonalite kang plagioclase iku biasane ing wangun oligoclase. trondhjemites sing sok-sok ditepungi minangka plagiogranites.

1.2 Sajarah

1.2.1 asal

brasil

tonale, italy

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka néphéline french, saka Nefele greek

ora Sumadhiya

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 nggoleki, rock opaque

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

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