Buried valleys are ancient river or subglacial (beneath a glacier) drainage networks that are now abandoned and have become either partly or completely buried by more recent sediment.
Landforms are features on the Earth’s surface that make up the terrain.
The causes of earthquakes and the different types of tectonic boundaries and faults on which they usually occur.
This theme provides information on the excavatability of geological deposits at surface.
This theme provides information on zones of rock strength and the local factors controlling it, as part of a suite of GIS layers for different engineering parameters.
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