Environmental Engineering Reference
In-Depth Information
Plate 12.1
A wave-cut rock platform representing a higher
sea level of Ipswichian interglacial age (125 kyr old),
overlain by younger permafrost slope debris on the Gower
coast, South Wales. The platform is eroded across tilted
Carboniferous limestone (c. 325 Myr old) which forms a
major unconformity beneath the younger Pleistocene rocks.
Photo: Ken Addison.
Figure 12.12
Sorting and BSI particle size characteristics of
sediments: (a) three samples shown at the same scale but not
ascribed to specific environments; (b) cumulative percentage
curves, showing typical particle size distributions, which
