definations Flashcards
1
Q
tephra
A
any type or size of rocks ejected from the volcano and travels an airborne path ( including ash and volcanic bombs )
2
Q
effusive
A
gentle eruption that is mainly dominated by the outpouring of lava onto the ground
3
Q
conduit
A
central passageway in the volcano that magma travels. It connects the magma chamber to the vent
4
Q
viscous
A
thick , sticky consistency
5
Q
main vent ( active vent )
A
opening in the earth’s surface in which gases and volcanic materials escape
6
Q
secondary vent / cone
A
main vent may be blocked so magma have to find a new route to the surface , forming the secondary cone and vent
7
Q
lava
A
molten rocks ( magma ) that is ejected onto the surface
