chapter 26 part 2

Question 1

how are rocks identified?

Answer 1

by their composition and texture

Question 2

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

Question 3

what do instructive igneous rocks form?

Answer 3

magma

Question 4

what type of modern rock does intrusive igneous form from?

Question 5

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

Answer 5

reaction series

Question 6

what are 3 types of magma?

Answer 6

basaltic,andesitic,rhyolitic

Question 7

which magma type has a low silicate content

Answer 7

felsic has a high silica

Question 8

which magma type has a high silicate content

Answer 8

Continental

Question 9

which type of crust has an abundant amount of quartz?(oceanic or Continental

Answer 9

deep continental or Continental crust

Question 10

which type of crust has little to no quart ?oceanic or Continental)

Answer 10

content ail crust the most abundant

Question 11

which type of igneous rock has a coarse grained texture

Answer 11

deep continental or cont entail crust

Question 12

which type of igneous rock has a fine grained texture

Answer 12

instrusive

Question 13

do fine grained rocks cool slowly or quickly

Answer 13

extrusive

Question 14

what are the two specific texture types for extrusive igneous rock? (the answer was weekly question for tuesday)

Answer 14

porphyritic texture,and vesicular texture

Question 15

which texture is the type with holes left behinds because of rapid cooling rates?

Answer 15

porphyritic,

Question 16

which type of rock has a vesicular (holey) texture?

Answer 16

pumice