Weathering & Mass Wasting
Take-home Assignment
.
Gradational Processes (Denudation)
often primary factor influencing landforms
uplift counteracts gradation forces
water -
denudation
-
Physical Weathering
breaking large pieces into smaller ones
joints
,
fractures
, and
faults
are primary weak zones
talus slopes
salt wedging
in porous sandstone
exfoliation
-
Chemical weathering
oxidation
-
hydration
and
hydrolysis
-
hydration -
hydrolysis -
both aid in "exfoliation" by expanding silica minerals
solution
-
limestone
Differential weathering
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