Chapter 6 - Volcanoes Flashcards
1
Q
most explosive type of volcanoes
A
rhyolitic lavas
2
Q
tephra
A
all airborne rock and volcanic dust ejected during a volcanic eruption
3
Q
central vent volcanoes
A
- shield volcanoes
- stratovolcanoes
- rhyolite caldera complexes
4
Q
large-scale volcanic terrains
A
- monogenetic fields
- large igneous provinces
- mid-ocean ridges
5
Q
phreatomagnetic eruption
A
only explosive reaction from shield volcanoes. caused by rapid expansion of steam when magma comes in contact with groundwater
6
Q
diatremes
A
kimberlite pipes - small tubes that come from deep in mantle through small crack
7
Q
volatiles from volcanoes
A
water vapour carbon dioxide sulfur dioxide nitrogen hydrogen sulfide
8
Q
volcanic hazards
A
eruption clouds lahars flank collapse caldera collapse toxic gases
