3. Please order from youngest to oldest, each each labeled rock package or geolo

Question

3. Please order from youngest to oldest, each each labeled rock package or geologic feature in the photograph below. 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 0.00 4C What is the age of the Granite? 90.00 0.00 0 20.00 What is the age of the dike? What is the oldest age you can assign to the fault, based on the ages you determined above? 0.001 0 10 20 30 40 50 60 70 80 90 100 time, my

Explanation / Answer

Youngest to oldest - 1. cracks 2. dike 3. fault 4. granite

The age of Granite is 80 my

The age of Dike is 16my

The Granite is the oldest one

The age assigned to the fault is 60 my

Related Questions

Navigate

• Browse (All)
• Browse 3
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.