The preliminary conclusion is ( 1) muscovite in high-pressure metamorphic orthogneiss does not contain excess argon and can be the object for 40Ar/ 39Ar dating;

  • 由此得出的初步结论是:①高压变质的正片麻岩中的白云母中不含过剩Ar,这类矿物可以作为~(40)Ar/~(39)Ar同位素测年的对象;

  • 互联网摘选 2025-01-20 19:06:54

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