Nephelinite lan Websterite Definition

Nephelinite

Websterite

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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).

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

1.2 Sajarah

1.2.1 asal

brasil

webster, North Carolina

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka néphéline french, saka Nefele greek

saka kutha webster dumunung ing North Carolina

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 opaque

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