The environmental conditions associated with the development of a salt crust on a marine beach in North Queensland are described. The crust reached a maximum thickness of 1.5 cm close to the berm and resisted sand transport by winds of up to 12 m/s. Chloride content of the crust averaged 0.188%. Salt crust formation reduces eolian deflation from beach surfaces, but is less important than rate of sand supply and exposure to strong onshore winds as a limiting factor in coastal dune development in North Queensland.

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