Abstract
EXPLORATION for hydrocarbons in the southern North Sea has shown that over a large part of it the Mesozoic rocks are underlain by Upper Permian (Zechstein), containing thick salt layers which have reacted to the overburden load by developing a wide range of halokinetic structures, from salt pillows to diapiric salt plugs1,2. Some of the plugs penetrate the overlying beds to levels high in the Mesozoic and Tertiary rocks, and in some cases approach the level of the sea floor. Seismic profiles show sharp variations in stratal thickness associated with the plugs, commonly indicating a history of movement from at least Lower Jurassic times onwards.
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BRUNSTROM, R., KENT, P. Origin of the Keuper Salt in Britain. Nature 215, 1474 (1967). https://doi.org/10.1038/2151474a0
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DOI: https://doi.org/10.1038/2151474a0
