Home >  Term: urtite
urtite

A light-colored member of the ijolite series that is composed chiefly of nepheline and 0% to 30% mafic minerals, esp. acmite and apatite. Compare: melteigite (now Lovozero), Kola Peninsula, Russia.

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Penulis

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 poin
  • 100% positive feedback
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