12.1) - joints and fractures allow access to water, therefore the physical weathering rate increases as the joint or fracture spacing in a rock decreases - thermal expansion and contraction of the rock itself is also important since this may create stress cracks which are acted upon further by the freeze/thaw mechanism --&gt; this leads to exfoliation and spheroidal weathering (Fig.
(this; may create; stress cracks which are acted upon further by the freeze/thaw mechanism --) (stress cracks; are acted; upon; T:further; by the freeze/thaw mechanism) (12.1) - joints and fractures; allow; access to water) Context(12.1 ) - joints and fractures allow,List([0, 34))):(therefore the physical weathering rate increases as the joint or fracture spacing in a rock decreases - thermal expansion and contraction of the rock; is also; important) Context(12.1 ) - joints and fractures allow therefore the physical weathering rate increases as the joint or fracture spacing in a rock decreases - thermal expansion and contraction of the rock is also,List([0, 216))):(this; leads; to exfoliation and spheroidal weathering (Fig)
12.1 ) - joints and fractures allow,List([0, 34)) 12.1 ) - joints and fractures allow therefore the physical weathering rate increases as the joint or fracture spacing in a rock decreases - thermal expansion and contraction of the rock is also,List([0, 216))
this stress cracks 12.1) - joints and fractures therefore the physical weathering rate increases as the joint or fracture spacing in a rock decreases - thermal expansion and contraction of the rock this
may create are acted allow is also leads
stress cracks which are acted upon further by the freeze/thaw mechanism --
upon T:further by the freeze/thaw mechanism
access to water
important
to exfoliation and spheroidal weathering (Fig