Slope Development (Grade 11 NSC Matric Geography): Flashcards
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Practise the cards
10 cards from this deck
Weathering
Weathering
Process breaking rocks into smaller fragments
Rock resistance
Rock resistance
How hard or soft a rock is
Pedimentation theory
Pedimentation theory
Slope development theory in arid areas with 3 stages
Plateau (Stage 1)
Plateau (Stage 1)
Flat-topped elevated area in arid climate
Mesa (Stage 2)
Mesa (Stage 2)
Flat-topped landform with steep sides from erosion
Butte (Stage 3)
Butte (Stage 3)
Small remnant with steep sides and flat top
Hack's dynamic equilibrium theory
Hack's dynamic equilibrium theory
Slope angles controlled by rock type, not time
Slope retreat in arid areas
Slope retreat in arid areas
Slopes wear parallel, keeping angle while moving back
Back wasting
Back wasting
Slope retreats parallel to original position
Resistant vs soft rock slopes
Resistant vs soft rock slopes
Resistant=steep; soft=gentler slopes