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Which of these elements found in granite would be best suited for K-40 dating?

I know that these are the elements found in Granite, it was listed in my lab manual, but I'm not sure which would be best for K-40 dating.

quartz, plagioclase and K-feldspars, micas, garnet, cordierite, tourmaline, pyroxenes, fayalite, titanite, and amphiboles k-40

1 Answer

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  • 1 decade ago
    Favorite Answer

    feldspars

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