Abstract

Air-heave structures in marine lagoonal deposits have been noted previously; the first occurrence in non-lagoonal strata is reported here from the Old Red sandstone (Devonian) of the Hagshaw Hills inlier near Douglas, Scotland. These structures are thought to have formed on the shore of a lake, perhaps during a storm or heavy rainfall, and should not be confused with sand volcanos or pit-and-mound structures.

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