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单词
ultramafic
释义
ultramafic
ul·tra·maf·ic
U0010950
(ŭl′trə-măf′ĭk)
adj.
Ultrabasic.
ultramafic
(
ˌʌltrəˈmæfɪk
)
adj
(Geological Science)
geology
(of igneous rock) composed of a very high percentage of magnesium and iron
ultramafic
ultramafic
[
¦əl·trə′maf·ik
]
(petrology)
Referring to igneous rock composed principally of mafic minerals, such as olivine and pyroxene.
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更新时间:2025/11/28 17:58:37