Here you can see the already excavated area to the left and the un excavated section to the right discoloured by the brown / red fryable deposit above
This angle would in my opinion be a constant along this stretch of beck if the alluvium? was removed.
This shows the structure of this deposit, there must have been a large time difference between these two deposits surley?
The angle cut by my spade then the natural angle which meets the ever constant red clay layer in this area of south west Cleveland.