Geoscience Reference
In-Depth Information
FIG 140. Geology and hillshade map of Area 7, showing the boundaries of important
bedrock layers, Landscapes A to E and localities ( a1, b1 etc.) mentioned in the text.
Landscape A: The High Weald
Most of the land of Area 7 is underlain by the Early Cretaceous Hastings Beds, though
in the centre of the Area this is covered by the surface blanket of younger sediment that
forms the Dungeness and Romney Marshes. The hilly ground to the west of the Area
is therefore a continuation of the High Weald Landscape of Area 6, and many aspects
of its history are discussed more fully under that Area.
Only rarely do the hills of this part of the High Weald exceed 100 m in elevation,
but the topography consists generally of many small valleys and ridges, so there are
very few substantial areas of flat ground. The small size of the topographic features
made this Landscape ideal for damming streams to provide local sources of power, and
so, as in Area 6, an iron-smelting industry flourished here between the fifteenth and
seventeenth centuries.
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