Neotectonic gravens of Ferran (Ebro Basin, undeformed cover)

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They are two small tectonic gravens in echelon. They have about 9 km long and 500 meters wide and are limited by normal faults. The vertical jump is a minimum 50 m. They are located in a very flat region of Cenozoic sediments, which has almost no tectonic deformation. Presents some remarkable characteristics, such as:

• The low sinuosity of its limits.
• Cut clearly of rivers that drain the basin.
• His background is lower than the regional elevation.

All this suggests that they have a very recent origin.