Process of Freeze thaw action Flashcards
1
Q
Intro
A
◍Freeze-thaw action/frost shattering
◍physical weathering
◍Areas of fluctuating temperatures of exposed rock
2
Q
Stage 1
A
◍Water fills cracks
◍Daytime-warmer
3
Q
Stage 2
A
◍Water in cracks frezzes causing rock to expand
◍night time-temps below freezing point
4
Q
Stage 3
A
◍ overtime rock+ scree fall off
◍process is repeated
5
Q
scree
A
◍Accumulate at lower slopes w. influence of gravity
◍Ex. Great sugar loaf mountain ,co. Wicklow