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单词 bytownite
释义

bytownite

/ˈbʌɪtaʊnʌɪt /
noun [mass noun]
A mineral present in many basic igneous rocks, consisting of a calcic plagioclase feldspar.They range from bytownite - labradorite in basalts and gabbros, andesine - oligoclase in diorites and andesites to albite in granites and rhyolites....
  • The groundmass consists mainly of bytownite with large grains of diopside and of colourless olivine, and small octahedrons of magnetite.
  • The highly soluble and aluminous bytownite favored the formation of allophane.

Origin

Mid 19th century: from Bytown, the former name of Ottawa, Canada, + -ite1.

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更新时间:2024/9/22 5:25:07