Chapter 26.2

Question 1

define rock

Answer 1

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

Question 2

how are rocks identified

Answer 2

compostition and texture

Question 3

what does the texture of a rock describe about a rock

Answer 3

size shape and arrangement

Question 4

where do intrusive igneous rock form from

Answer 4

within earth from magma

Question 5

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

Answer 5

bowen’s reaction series

Question 6

what are the 3 types of magma

Answer 6

mafic, intermediate, and felsic

Question 7

which magma type has a low silica content

Answer 7

mafic

Question 8

which magma type has a high silicate content

Answer 8

felsic

Question 9

which type of crust has an abundant amount of quartz

Answer 9

continental

Question 10

which type of crust has little to no quartz

Answer 10

oceanic

Question 11

which type of igneous rock has a coarse grained texture

Answer 11

intrusive

Question 12

which type of igneous rock has fine grained texture

Answer 12

extrusive

Question 13

do fine grained rocks cool slowly or quickly

Answer 13

quickly

Question 14

what are two specific texture types for extrusive igneous rock

Answer 14

phyrophortic vesculair

Question 15

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

Answer 15

vesticular

Question 16

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

Answer 16

porphyritic

Question 17

what type of rock has a vesicular texture

Answer 17

pumice