Unconformities - Assessment

1.

Multiple Choice

30 sec

1 pt

Scientific study of rock layers

Archeology

Stratigraphy

Paleontology

Geology

2.

Multiple Choice

30 sec

1 pt

What scientific law tells us that in rock strata, the oldest layer is at the bottom and the youngest layer is at top?

Cross-cutting

Original Horizontality

Superposition

Unconformities

3.

Multiple Choice

30 sec

1 pt

A gap in the sequence of sedimentary rock layers caused by erosion.

Inclusion

Unconformity

Cross-cutting

Isotope

4.

Multiple Choice

20 sec

1 pt

The Law of Superposition helps scientists to determine what?

The absolute age of rock layers

The age of fossils

The relative age of rock layers

the super powers of rocks

5.

Multiple Choice

3 mins

1 pt

According to the law of superposition, the oldest fossils are found

At the top of the rock layers

Near the bottom of the rock layers

In the middle of the rock layers

Somewhat near the surface

6.

Multiple Choice

30 sec

1 pt

_{Which rock layer in the diagram seems to be the oldest?}

F

E

B

A

7.

Multiple Choice

10 sec

1 pt

The ________ states that layers of sediment were originally deposited horizontally under the action of gravity.

law of superposition

law of horizontality

uniformitarianism

unconformities

8.

Multiple Choice

30 sec

1 pt

What type of unconformity is shown here?

Non-conformity

Disconformity

Angular unconformity

9.

Multiple Choice

30 sec

1 pt

What type of unconformity is shown here?

Non-conformity

Disconformity

Angular unconformity

10.

Multiple Choice

30 sec

1 pt

What type of unconformity is shown here?

Non-conformity

Disconformity

Angular unconformity

11.

Multiple Select

30 sec

1 pt

What geologic principle(or law) is best displayed here?

Superposition

Original horizontality

Cross-cutting relationships

Inclusions

12.

Multiple Choice

30 sec

1 pt

Disconformity

Nonconformity

Angular unconformity

Paraconformity

13.

Multiple Choice

30 sec

1 pt

Disconformity

Nonconformity

Angular unconformity

Paraconformity

14.

Multiple Choice

30 sec

1 pt

Disconformity

Nonconformity

Angular unconformity

Paraconformity

15.

Multiple Choice

30 sec

1 pt

Folded or tilted rock comes to the surface, erodes, and new sediment is deposited.

Original Horizontality

Angular unconformity

Law of Superposition

Nonconformity

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