IP - Internal Processes

Question 1

Define:

Hotspot?

More?

Answer 1

Locations not along plate boundaries that have a lot of volcanic activity

Magama seeps to the bottom of the ocean creating holes for magma plumes

Question 2

Define:

Mantle Plume?

Answer 2

Narrow columns of magma that rises through the Earth’s interior

Question 3

Define:

Calderas?

Answer 3

Basin sized depression when volcano explodes, collaspes, or both

Question 4

Define:

Folding?

3 Types?

Answer 4

Crustal Rocks are subject to stress & are deformed by being bemt (Latual compression)
Monocline: One sided Fold
Anticline: Upfolded
Syncline: Downfolded

Question 5

Identify:

Faulting?

3 Types?

Answer 5

Rock structure is broken & one side is forcibly displaced relative to the other
All plate lines are faults, but not all faults are plate lines
Normal: Tensional force and one drops
Reverse: Compression force and one rises
Strike-Slip: Shear Stress Moves side to side

Question 6

Identify:

Volcanoes?

4 Types?

Answer 6

Cinder Cone: Small, steep one sided
Composite:
Sheild:
Lava Dome:

Question 7

Define:

Magma?

Answer 7

Hot fluid or semifluid material BELOW or within the earth’s crust

Question 8

Define:

Lava?

Answer 8

Hot molten or semifluid rock erupted from a volcano or fissure ABOVE SURFACE