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Geologic Time Unit

Authored by Lucas E

Social Studies

8th Grade

Used 5+ times

Geologic Time Unit
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the principle that states sediments are deposited in large, continuous sheets in all lateral directions?

Lateral continuity

Cross-cutting relationships

Original horizontality

Superposition

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

surfaces where rocks have eroded away producing breaks or gaps in the rocks recorded are called

Superposition

Inclusions

Unconformities

Key beds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a rock or sediment layer used as a marker, which is easy to recognize and correlates rock formations, and leaves important evidence in rock records?

Key bed

Index fossil

Angular unconformity

Lateral continuity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for a gap in the rock record during which new sedimentary rock formed on top of uplifted igneous or metamorphic rock layers?

Nonconformity

Disconformity

Angular unconformity

Cross-cutting relationships

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the divisions of the geologic time scale from the smallest to the largest?

Epoch, period, era, eon

Era, period, epoch, eon

Period, epoch, era, eon

Eon, era, period, epoch

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basis for organizing the geologic time scale?

Climate changes

Rock and fossil records

Ocean currents

Volcanic activity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be present for an intrusion to occur in rock layers?

Water

Fossils

Existing rock

Soil

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