This uneven floor could be accounted for either by the profound warping of a valley of erosion or by the unequal depression of the floor of a rift valley.
Should you expect the lateral valleys of a rift valley at the time of its formation to enter it as hanging valleys or at a common level?
The few existing topographic profiles across this feature suggest that the earthquake belt is associated with a rift valley of the same general type as the central Rift Valley of the Mid-Atlantic Ridge.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "rift valley" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.