Please order from youngest to oldest, each each labeled rock package or geologic

Question

Please order from youngest to oldest, each each labeled rock package or geologic feature in the photograph below. 3. Granite Dike Fault Cracks Youngest Oldest Assume now, that radiometric dating (the K-Ar method) is used to date the granite and dike, and the values obtained for the 40Ar/40K ratio are listed below. Use the included plot of ratio vs. time to answer the following questions. Granite Ratio: 0.0048 0.00 Dike Ratio: 0.0009 What is the age of the Granite? What is the age of the dike? What is the oldest age you can assign to the fault, 0 0.00 o.00 0 0.00 0.001 based on the ages you determined above? 0 10 20 30 40 50 60 70 80 90 100 time, my

Explanation / Answer

youngest Granite

to Cracks

oldest Dike

Faults

According to the incluind plot of ratio vs time,

The age of a Granite is 80 my.

The age of the Dike is approximately 34 my.

The age of the fault is roughly 20 my.

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