vallée (1) temps (durée) (1) région (1) calcaire (1) lac (1) incorporation (1) fossile (1) désert (1) datation (1) The Valley (1) Jordanie (1) Dating (1) Colluvium (1) Time (1) Shields (Geology) (1) Rain and rainfall (1) Radioactive dating (1) Limestone (1) Incorporation (1) Evidence (1) Carbon--Isotopes (1) désert (1)