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Relative Dating Quiz

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1. What principle states that in a sequence of undeformed sedimentary rocks, the oldest layers are at the bottom and the youngest ones are at the top?

2. Which principle is used to deduce the relative ages of rocks based on the assumption that fossils succeed each other vertically in a specific, reliable order that can be identified over wide horizontal distances?

3. What does the Principle of Cross-Cutting Relationships state?

4. The concept that sediments settle out of a fluid by gravity and are deposited horizontally is known as the:

5. Inclusions found within a rock mass are older than the rock mass itself, according to which principle?

6. Which of the following best describes a conformable relationship between rock layers?

7. Angular unconformity is an indication of what past geological event?

8. Biostratigraphy involves the use of what to correlate and date rock layers?

9. Which principle states that the processes we see in action on Earth today have worked in much the same way throughout geological time?

10. Disconformity is characterized by which of the following?