Geology Reference
In-Depth Information
3. Granular flow: This may occur with low cohesion between the flow units as
typically in soils and poorly cemented sedimentary rocks at low temperatures
and includes cataclastic deformation of rocks; inter-particle interference and
friction, fracturing of particles and dilatancy are important factors. Alterna-
tively, it may occur where there is relatively high cohesion between the units,
typically at high temperature, and including ''superplastic'' behavior and, at
least in a geometric sense, some materials with small amounts of partial melt;
accommodation mechanisms that satisfy intergranular strain compatibility are
important.
The following chapters deal in turn with these three categories.
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