Geoscience Reference
In-Depth Information
6
(a)
(b)
(c)
(d)
(e)
(
(
Figure 6.12
Photographs of the exposure near Burniston, Yorkshire, UK, showing the highly variable
nature of the deposits. (a) General overview showing a channel sand body encased in fl oodplain
mudstones. (b) Trough cross-stratifi ed clean sandstones of the river channel. (c and d) Cross-cutting nature of
a point bar. (e) Roots in a crevasse-splay sandstone facies. (f) Gutter casts at the base of the crevasse-splay
sandstone. (g) Interbedded mudstones and sandstones interpreted as overbank deposits and crevasse
splays. The dark-grey bed is a plant-rich mudstone interpreted as an ox-bow lake sediment plug.
(a-g: Angela L. Coe, The Open University, UK.)
