Here, cross-bedded sandstones are exposed in three dimensions. Each foreset (inclined layer) represents the front (lee side) of the migrating dune on the river bed at a particular point in time.
- Which way was the current flowing?
- What was the minimum height of the dune?
- What shape was the dune in three dimensions: was the crest curved or straight?
Scale: The geologist is 1.7 m tall
Grid reference: 996 324