chapter 2 volcanos Flashcards
1
Q
active
A
erupts regularly
mt etna
2
Q
dormant
A
has not erupted in a long time
Paricutin Mexico
3
Q
extinct
A
has not erupted
lambay island ireland
4
Q
caldera
A
depression formed by enormous volcanic eruption
lake Oregon USA
5
Q
shield volcanos
A
gently sloping due to acidic lava
Mauna Loa Hawaii
6
Q
fissure eruptions
A
forms from a crack in the earths surface and basic lava that cools quickly
Antrim-Derry plateau
7
Q
batholith
A
magma fills cracks within the crust and forms rocks
8
Q
laccolith
A
small dome shaped structure in the crust
9
Q
negative impacts of volcanos
A
loss of life (Pompeii)
global cooling due to ash blocking the sun
damaged landscape (mount saint Helens)
10
Q
positive impacts of volcanos
A
new land (Iceland)
building materials (granite)
fertile soils from ash and basalt
jobs from tourism (Pompeii)
