volcanism/igneous rocks

Question 1

boyle’s law

Answer 1

when temperature goes up, pressure goes up

Question 2

a slow cooling, intrusive rock

Answer 2

plutonic

Question 3

a volcanic rock with vesicles

Answer 3

scoria

Question 4

black rock, cools very fast, volcanic glass

Answer 4

obsidian

Question 5

cloud of ash, lapilla, blocks, and bombs

Answer 5

pyroclastic cloud

Question 6

material that comes out of volcano

Answer 6

tephra

Question 7

rock made of volcanic material

Answer 7

tuff

Question 8

is granite intrusive or extrusive?

Answer 8

intrusive

Question 9

is rhiolite intrusive or extrusive?

Answer 9

extrusive

Question 10

is diorite intrusive or extrusive?

Answer 10

intrusive

Question 11

is andesite intrusive or extrusive?

Answer 11

extrusive

Question 12

is gabbro intrusive or extrusive?

Answer 12

intrusive

Question 13

is basalt intrusive or extrusive?

Answer 13

extrusive

Question 14

large crystals are…..

Answer 14

intrusive

Question 15

teeny crystals are…..

Answer 15

extrusive

Question 16

large crystal that cools very slowly

Answer 16

phenocryst

Question 17

cut through grain of rock in the ground

Answer 17

dike

Question 18

full of malleable material pushing it’s way to the surface - oozing

Answer 18

diapir

Question 19

dikes that come together- can be big and form large structures

Answer 19

plutons

Question 20

large cooled plutons

Answer 20

batholiths

Question 21

blister-looking, flatter, cooled plutons

Answer 21

laccoliths

Question 22

downward blister of cooled plutons

Answer 22

lopolith

Question 23

magma splits into two compositions of rock, one more mafic than the other, makes layers

Answer 23

fractionation

Question 24

result of a giant volcanic eruption or series of eruptions covering large land or the ocean floor with basalt lava. Many flood basalts have been attributed to the onset of a hotspot reaching the surface of the earth via a mantle plume

Answer 24

flood basalts

Question 25

flatter volcano

Answer 25

shield volcano

Question 26

big pointy volcano

Answer 26

strato volcano

Question 27

hotspots are volcanic locales thought to be fed by an underlying mantle that is anomalously hot compared with the surrounding mantle

Answer 27

hotspots