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单词 ferromagnesian
释义

Definition of ferromagnesian in English:

ferromagnesian

adjective ˌfɛrə(ʊ)maɡˈniːʒ(ə)nˌfɛrə(ʊ)maɡˈniːziənˌferōˌmaɡˈnēZHən
Geology
  • (of a rock or mineral) containing iron and magnesium as major components.

    〔地质〕(岩石,矿物)含铁和镁的,铁镁质的

    Example sentencesExamples
    • Thus, in magma chambers dense ferromagnesian minerals may sink to form cumulate rocks at the base of the chamber, whereas in partial melting a lower-density melt may percolate upwards.
    • The very low magnesium content of Lime Crest ferroaxinite may reflect the relative scarcity of ferromagnesian minerals in the granite.
    • There are two types of silicate minerals, the ferromagnesian and the nonferromagnesian silicates.
    • The example from the granite at Lime Crest quarry is very low in magnesium relative to those found in rocks containing more ferromagnesian minerals.
    • The rhombohedral phase usually occurs as large tabular inclusions near the rims of ferromagnesian phenocrysts.

Definition of ferromagnesian in US English:

ferromagnesian

adjectiveˌferōˌmaɡˈnēZHən
Geology
  • (of a rock or mineral) containing iron and magnesium as major components.

    〔地质〕(岩石,矿物)含铁和镁的,铁镁质的

    Example sentencesExamples
    • There are two types of silicate minerals, the ferromagnesian and the nonferromagnesian silicates.
    • The very low magnesium content of Lime Crest ferroaxinite may reflect the relative scarcity of ferromagnesian minerals in the granite.
    • The example from the granite at Lime Crest quarry is very low in magnesium relative to those found in rocks containing more ferromagnesian minerals.
    • The rhombohedral phase usually occurs as large tabular inclusions near the rims of ferromagnesian phenocrysts.
    • Thus, in magma chambers dense ferromagnesian minerals may sink to form cumulate rocks at the base of the chamber, whereas in partial melting a lower-density melt may percolate upwards.
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更新时间:2025/6/19 10:05:55