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Quiz Friday2/17 Relative Ages of Rocks

Last updated over 3 years ago

13 questions

Instructions

Required

2

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3

Yes you can use your notes

Required

1

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1

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2

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2

Question 5

5.

Required

1

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1

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1

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1

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1

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1

Question 11

11.

Why does volcanic ash make a good key bed?

Question 12

12.

On the image tell me which rock layers are oldest to youngest:
Oldest = 1
Youngest = 6
Click on "show your work"

Required

4

Question 13

13.

What caused the layers to become tilted?

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

What 2 features make up a good Index Fossil

The species existed for multiple geologic periods of time 

When alive the creature lived in many places

When alive the creature only lived in one place

The species only existed for a relatively brief period of time

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Which layer of rock is youngest?

A

B

C

D

Which layer of rock is oldest?

A

B

C

D

Letter D represents missing material.  What could have caused the material to be missing?
need 2 correct answers

erosion

cementation

weathering

compaction

deposition

Which statement best explains why rock layer 3 is missing from outcrop B?

Heat and pressure in outcrop A created rock layer 3.

A volcanic eruption destroyed rock layer 3 in outcrop B.

A fault exists between outcrops A and B.

Erosion created an unconformity between rock layers 2 and 4 in outcrop B.

Which layer of rock is oldest?

D

Which layer of rock is youngest?

D

Which layer of rock is youngest?

A

B

C

D

Which rock layer in Outcrop 2 is same  Layer X in Outcrop 1

A

B

C

D

What is a key bed?

break in the rock record caused by weathering and erosion

layer of rock that can be used to age the rocks above and below it

fossil used to identify or date a rock layer