13:08 Apr 2, 2011 

that the second "plano" is deposited partly on top of the first one (the overlap) and partly farther away from the river?

12:59 Apr 2, 2011 

doesn't "overhanging" imply that the upper and lower surfaces are not in contact with one another? As I understand, in this case they are.

10:48 Apr 2, 2011 

maybe overhanging for solapados

09:47 Apr 2, 2011 

that escalonado is implicit in alluvial terraceS
If you want solapado add the word 'overlapping' before alluvial terraces but this was not part of the question.

"Alluvial terraces or bars are areas of higher grounds between rivers formed by erosion of old alluvium, Embankment of lose material adjoining to the side of river valley. "

ter·race (ter′əs)

noun
a raised, flat mound of earth with sloping sides
any of a series of flat platforms of earth with sloping sides, rising one above the other, as on a hillside
a geologic formation of this nature