chapter 4 igneous rock questions

Question 0

what is the biggest factor that controls whether a rock is coarse or fine grained?

Answer 0

Where and how fast the rock was COOLED

Question 1

what is the difference in appearance between an extrusive and in intrusive igneous rock

Answer 1

extrusive igneous rocks are smoother with no gas pockets

Question 2

describe how flesic igneous rock differ in appearance from mafic igneous rocks

Answer 2

felsic igneous rocks are lighter in color than mafic igneous rocks

Question 3

whats the differ in mafic and felsic igneous rocks

Answer 3

felsic igneous rocks are lighter in color than mafic igneous rocks

Question 4

what is the difference between lava and magma

Answer 4

magma is inside the earth when lava is outside the earth

Question 5

how could you determine if a rock formed from magma of lava

Answer 5

the grain size, and whether the rock is filled with tiny gas pockets or not

Question 6

how are granite and rhyolite similar and difder

Answer 6

SIMILAR
they are both felsic

Different
granit is intrusive and rhyolite is extrusive

Question 7

how are basalt and gabbro similar and differ

Answer 7

both rocks are mafic

but the textire for gabbro is coase while basalt is fine grained

Question 8

how are diorite and andesite similar, how are they different

Answer 8

both are found in an intermediate environment

but other than environment the rocks are extremely different in other aspects