EXOGENIC | Physical Weathering (Word-Definition) Flashcards
1
Q
Increase in pressure causing rocks to break into pieces along its joint (naturally formed cracks).
A
Jointing
2
Q
Water getting trapped in joints of rocks, freezes, expands, then causes the rock to be forced open and split.
A
frost wedging
3
Q
tree roots growing in joints can cause it to split open.
A
root wedging
4
Q
rocks exposed to intense heat, causing its outer layer to crack or break off
A
thermal expansion
5
Q
dissolved salt in water crystalizes and enlarges open spaces in rocks
A
salt wedging
6
Q
burrowing animals can force joints open, breaking it into fragments
A
animal attack