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单词 antiperthite
释义 antiperthite
[´an·ti`pǝr´thīt]
GEOLOGY
Natural intergrowth of feldspars formed by separation of sodium feldspar (albite) and potassium feldspar (orthoclase) during slow cooling of molten mixtures; the potassium-rich phase is evolved in a plagioclase host, exactly the inverse of perthite.
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