Chapter 26

Question 1

What are the 3 ways a mineral can form

Answer 1

Hot water. molten rock, and evaporation

Question 2

What are the two mineral groups

Answer 2

Silicates and Nonsilicates

Question 3

Which mineral group is the most abundant in Earth’s crust?

Answer 3

Silicates

Question 4

Which elements are Silicates made up of

Answer 4

Oxygen and SIlicon

Question 5

Nonsilicates do not contain which element?

Answer 5

silicon

Question 6

Which mineral is used to make glass?

Answer 6

Quartz

Question 7

how do you perform a streak test

Answer 7

by rubbing a mineral on a unglazed porcelain tile

Question 8

how does nonmetallic luster reflect light

Answer 8

glassy appearance

Question 9

what are the two types of luster

Answer 9

metal and nonmetallic

Question 10

what are all of the ways to identify minerals

Answer 10

luster, streak, cleavage, fracture, hardness, and crystal shape

Question 11

magma

Answer 11

hot fluid or semi-fluid material below or within the earths crust

Question 12

what does the arrangement of an atom and the bonds between them about a mineral

Answer 12

how the mineral breaks, how hard it is, and what crystal shape it has

Question 13

what does inorganic mean

Answer 13

non living materials

Question 14

what are the two most abundant elements that make up earths crust

Answer 14

oxygen and silicon

Question 15

what is a mineral

Question 16

Define a rock

Answer 16

a naturally formed mixture containing minerals, rock fragments, and volcanic glass.

Question 17

How are rocks classified

Answer 17

Rocks are identified by their composition and texture.

Question 18

what does the texture of a rock describe about a rock

Answer 18

The texture of a rock describes the size, shape, and arrangement of the rock’s components.

Question 19

Where do intrusive igneous rocks form

Answer 19

Igneous rocks are those that form from molten rock material that cools and crystallizes either underground or on Earth’s surface

Question 20

What type of molten rock does intrusive igneous rocks form from

Answer 20

Igneous rocks that form within Earth’s crust are called intrusive igneous rocks.

Question 21

what is the name of the series that illustrates simultaneous crystallization of silicate minerals?

Answer 21

magma composition

Question 22

what are the three types if magma

Answer 22

basaltic, andesitic, and rhyolitic

Question 23

which magma type has a low silica content

Answer 23

potassium, feldspar, and quartz

Question 24

which magma type has a high silica content

Answer 24

olivine, pyroxene, and plagioclase

Question 25

which type of crust has an abundant amount of quartz (oceanic of continental)

Answer 25

oceanic

Question 26

which type of crust has little to no quartz

Answer 26

continetal

Question 27

which type of igneous rock has a coarse grained texture

Answer 27

intrusive

Question 28

which type of igneous rock has a fine grained texture

Answer 28

extrusive

Question 29

Do fine grained rocks cool slowly or quickly

Answer 29

slowly

Question 30

What are the two specific texture types for extrusive igneous rock

Answer 30

vesicular texture and porphytric texture

Question 31

which texture is the type with holes left behind because of rapid cooling

Answer 31

vesicular

Question 32

which texture is the type with two different crystal sizes because of different cooling rates

Answer 32

porphyritic

Question 33

what type of rock has a vesicular (holey) texture

Answer 33

pumice