Minor forms of extrusive activity Flashcards
1
Q
Hot spring decription
A
heated pool of water with temps higher than surrounding water (but not boiling)
2
Q
Hot spring formation
A
magma heats groundwater which emerges at the surface
3
Q
Geyser description
A
Geothermally heated water that periodically erupts (20-75 ft)
4
Q
Geyser formation
A
magma beneath ground heats groundwater and pressure builds
5
Q
Boiling mud descripton
A
small deposits of mud where temps exceed 100°C
6
Q
Boiling mud formation
A
Geothermal activity and heated rock on the surface heat up surface water and this water mixes with surrounding sediments
7
Q
Fumarole description
A
Vent in the earths surface where gas is emitted
8
Q
Fumarole formation
A
Gases of geothermally heated the high temps (500°C) and escape out of cracks and vents
