2.a types of lava Flashcards
Name the two types of lava
Basaltic
Acidic
Which lava is explosive?
Acidic lava
Which lava is effusive
Basaltic lava
Which is more viscous
Acid lava
What are the temperatures of basaltic lava?
1.200*c
what is the temperature of acidic lava ?
800*c
which has higher silica content and what does this mean?
Acidic
It makes the lava more runny
How often are the eruptions of basaltic lava?
Frequently but are not as explosive
How often are the eruptions of acidic lava?
less frequent but has more violent eruptions.
what is the landscape of basaltic lava volcanos?
extensive gentle sloping landforms
what is the landscape of acidic lava volcanos?
steep sided localised landforms are formed
Whats another name for the basaltic lava volcanoes?
Composite sided volcanoes
Whats another name for the acidic lava volcanoes?
Shield volcanoes
what plate margins is basaltic lava found on?
Constructive
What plate margins is acidic lava found on?
Destructive