Lab Lesson 9: Geologic Time (p.203) due end of week 3

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Part 1 of 1 - 100.0/ 100.0 Points

Question 1 of 31 3.0/ 3.0 Points

Questions 1 through 3 are based on the Lab Exercise, Step 2.

Record your answer to Lab Exercise, Step 2, Question 11. How long ago was the igneous rock in rock unit B formed?

A. 352 mya

B. 380 mya

C. 704 mya

D. 1408 mya

Answer Key: A
Question 2 of 31 3.0/ 3.0 Points

Record your answer to Lab Exercise, Step 2, Question 12. How long ago was the igneous rock in rock unit C formed?

A. 70.4 mya

B. 140.8 mya

C. 352 mya

D. 704 mya

Answer Key: B
Question 3 of …show more content…

A. Principle of Cross-cutting Relationships

B. Principle of Inclusion

C. Principle of Superposition

D. Principle of Original Horizontality

Answer Key: C
Question 21 of 31 3.0/ 3.0 Points

What relative dating principle states that fossils in a sequence of sedimentary rock layers succeed one another in a definite, recognizable order?

A. Principle of Cross-cutting Relationships

B. Principle of Faunal Succession

C. Principle of Inclusion

D. Principle of Superposition

Answer Key: B
Question 22 of 31 3.0/ 3.0 Points

The Principle of Cross-cutting Relationships states that A. sedimentary layers and lava flows accumulate as horizontal layers.

B. rock fragments found within an igneous intrusion are older than the intrusion.

C. geologic structures that cut across other structures are younger than the structures they cut across.

D. younger rocks are deposited over older rocks.

Answer Key: C
Question 23 of 31 3.0/ 3.0 Points

The Principle of Lateral Continuity states A. sedimentary layers and lava flows accumulate as horizontal layers.

B. a layer of sedimentary rock originally extended in all directions until it thinned to zero or reached the edge of the