b. If Dike K has zircon with 97.9 % of its parent 235U and pluton A has homblende with 70.7% of its parent 4K. What will be the age of these rock bodies? (2 pts.) Dike/ pluton Age (in Ma) K 11 Show your work/calculation/used equation here (You can use the last page if you need more space) (1 ptL) %23

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