ホーム > 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.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
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(Milwaukee, United States)
