A recent paper in the JGS (Wall et al. 2008) presented a reassessment of seismic data, predicated on the assumption that the structure known as the Silverpit Crater was formed by a meteorite impact (Stewart & Allen 2002). This speculative hypothesis is merely based on a perceived similarity between the morphology of the Silverpit crater and impact craters, and has no scientific support.

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Stewart & Allen (2002) dated the geological event that formed the circular faults mapped at the top Chalk level by taking the lowest seismic reflector not affected by the faulting (apart...

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