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A zircon has 1.5 weight %HfO2 and 90ppm of Lu. Calculate the [molar]Lu/Hf and 176Lu/177Hf. (See the book chapter on Lu-Hf for a shortcut on

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A zircon has 1.5 weight %HfO2 and 90ppm of Lu. Calculate the [molar]Lu/Hf and 176Lu/177Hf. (See the book chapter on Lu-Hf for a shortcut on converting Lu/Hf to 176Lu/177Hf )

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