BACKGROUND DATA FILES |
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Abstract |
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Abstract |
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Table 1 |
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Table 1 |
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Methods - Sample Preparation |
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Methods - Sample Preparation |
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Methods - 40ar/39ar Analyses |
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Methods - 40Ar/39Ar Analyses |
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Methods - Criteria for Interpreting Experimental Results |
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Methods - Criteria for Interpreting Experimental Results |
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