40Ar-39Ar dating of rocks drilled at sites 60-458 and 60-459
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40Ar-39Ar dating of a high-MgO bronzite andesite from near the top of basement drilled at Site 458 shows the characteristic symptoms of artificially disturbed samples - i.e., an...
对取自458号钻探站位基底顶部附近的高氧化镁古铜安山岩（high-MgO bronzite andesite）开展的40Ar-39Ar同位素定年（40Ar-39Ar dating）结果，呈现出人工扰动样品的典型特征——即……
