Geology Quiz: Part 5

Geology Quiz: Part 5

University

15 Qs

quiz-placeholder

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Geology Quiz: Part 5

Geology Quiz: Part 5

Assessment

Quiz

Science

University

Hard

Created by

Rala, D.

Used 1+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which THREE factors decrease the melting temperature of a rock?

Increase in water content

Increase in pressure

Increase in mineral content

Increase in temperature

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do rocks typically undergo partial melting (at constant temperature and pressure)?

Due to increase in pressure

Due to decrease in water content

Due to increase in temperature

Due to decrease in mineral content

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can we initiate the melting of a rock buried in the Earth’s crust?

Increase in temperature

Increase in water content

Increase in mineral content

Increase in pressure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where do basalt rocks melt more easily and why?

At the Earth's mantle due to high temperature

At the Earth's crust due to low temperature

At the Earth's core due to high pressure

At the Earth's surface due to low pressure

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we mean by ‘magmatic differentiation’?

The process of rocks turning into magma

The process of magma solidifying into rocks

The process of magma cooling into rocks

The process of magma composition changing over time

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the approximate temperature of crystallization of silicate minerals out of a magma?

100-200°C

500-700°C

800-1000°C

1100-1200°C

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of magmas/rocks would be formed by progressive magmatic differentiation of a starting basaltic magma?

Granitic

Andesitic

Basaltic

Rhyolitic

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