Category:Judean DesertViewed: 1522Downloads: 0KeywordsgeologyrocksNahal PratzimIsraelJudean DesertDead SeaNegevstoneskyDescription: Nahal Pratzim & Flour Cave : Canyon carved In soft limestone, displaying varied and fantastic shapes sculptured by water currents. The "Flour Cave", so called because of the powdery chalk substance (marl) which lines it,lies upstream.