26.2

Question 1

What is a Rock?

Answer 1

A natural occurring mixture.

Question 2

How are rocks identified?

Answer 2

composition and texture.

Question 3

What does the texture of a rock describe about a rock?

Answer 3

size, shape and arrangement of the rock’s components.

Question 4

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

Answer 4

Bowen’s reaction series

Question 5

What are the 3 types of magma?

Answer 5

Mafic, intermediate and Felsic

Question 6

Which magma type has a low silica content?

Answer 6

Mafic

Question 7

which magma has a high silica content?

Answer 7

Felsic

Question 8

Which type of crust has an abundant amount of quartz(continental or oceanic)?

Answer 8

Continental

Question 9

Which type of crust has has little to no quartz?

Answer 9

Oceanic

Question 10

Where do intrusive igneous rocks form?

Answer 10

Underground

Question 11

What type of molten rock does intrusive igneous rock form from?

Answer 11

Magma

Question 12

Which type of igneous rock has a coarse grained texture?

Answer 12

intrusive igneous rock

Question 13

Which type of igneous rock has a fine grained texture?

Answer 13

intrusive igneous rock and extrusive

Question 14

Do fine grained rocks cool slowly or quickly?

Answer 14

quickly

Question 15

What are the two specific texture types for extrusive igneous rock?

Answer 15

Vesicular and Porphyritic

Question 16

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

Answer 16

vesicular

Question 17

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

Answer 17

Porphyritic

Question 18

What types of rock has a vesicular texture?

Answer 18

Pumice