alexisbarry8950 alexisbarry8950

30-05-2023
Geography

contestada

Calculate the 238U/204Pb value for a rock with a U =
0.12 ppm, Pb = 0.57 ppm, 206Pb/204Pb = 18.415,
207Pb/204Pb = 15.515, 208Pb/204Pb = 38.103, and 238U/235U =
137.786. [ppm = parts per million; 1/106

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