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EARTH QUIZ graded right away , geology homework help

EARTH QUIZ graded right away , geology homework help

Daniel Kevins

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Instructions: For the following questions, choose the best answer for the question.

Question 1

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What is true about the difference between a mineral and a rock?

Select one:

a. A mineral is required to be naturally occurring, but a rock is not.

b. A rock is required to be naturally occurring, but a mineral is not.

c. A rock is generally made up of an aggregate of minerals, but this is not a requirement. Rocks can also be made up of non-mineral matter.

Question 2

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Which of the following rocks below is a mafic extrusive igneous rock?

Select one:

a. Diorite

b. Rhyolite

c. Peridotite

d. Basalt

e. Pumice

Question 3

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Which of the following rocks below is an ultramafic intrusive igneous rock?

Select one:

a. Diorite

b. Rhyolite

c. Peridotite

d. Basalt

e. Pumice

Question 4

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Which of the following rocks below is a felsic extrusive igneous rock?

Select one:

a. Diorite

b. Rhyolite

c. Peridotite

d. Basalt

e. Pumice

Question 5

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Which of the following rocks below is a glassy rock?

Select one:

a. Diorite

b. Rhyolite

c. Peridotite

d. Basalt

e. Pumice

Question 6

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A rock that crystallizes at depth from magma deep underground is referred to as:

Select one:

a. Aphanitic

b. Lava

c. Volatiles

d. Intrusive

e. Extrusive

Question 7

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An igneous rock that is made up of large and small crystals is called:

Select one:

a. Aphanitic

b. Porphyritic

c. Phaneritic

d. Magma

e. Volatiles

Question 8

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If quartz is present in an igneous rock, what composition must it be?

Select one:

a. Ultramafic

b. Mafic

c. Intermediate

d. Felsic

Question 9

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What composition of magma is basalt made from primarily?

Select one:

a. Ultramafic

b. Mafic

c. Intermediate

d. Felsic

Question 10

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Which rock below is the intrusive equivalent to basalt?

Select one:

a. Granite

b. Diorite

c. Gabbro

d. Peridotite

e. Obsidian

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