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单词 chromite
释义

chromite

/ˈkrəʊmʌɪt /
noun [mass noun]
The principal ore of chromium, a brownish-black oxide of chromium and iron.Layered intrusions commonly occur with mafic intrusions where the minerals (such as olivine, pyroxene, chromite, magnetite and plagioclase) have a wider range of specific gravity, and the magma viscosity was low....
  • Il is envisaged that while the footwall anorthositc was still unconsolidated possibly to a depth in excess of 10m, liquefaction of part of this interval occurred, and at a similar time chromite commenced accumulating.
  • Early minerals, such as the chromium-bearing mineral chromite, crystallize early and are denser than the surrounding magma.

Origin

Mid 19th century: from chrome or chromium + -ite1.

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更新时间:2024/11/11 16:00:49