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Nephelinite
Nephelinite

Adakite
Adakite



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Adakite

Nephelinite lan Adakite Definition

Definition

definisi

nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).
adakite iku sawijining penengah kanggo felsic rock vulkanik sing nduweni ciri geochemical saka magma kang wis ngandika bakal kawangun dening leleh sebagean saka basalt ngrubah sing subducted ngisor busur vulkanik

Sajarah

asal

brasil
adak, Kapuloan Aleutian

panemu

Ora dingerteni
defant lan Drummond

Etimologi

saka néphéline french, saka Nefele greek
saka adak, Kapuloan Aleutian

kelas

batuan beku
batuan beku

sub-kelas

awet rock, hard rock
awet rock, medium atose rock

kulawarga

group

plutonic
vulkanik

kategori liyane

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