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The Silverpit structure

The North Sea is one of the most thoroughly mapped patches of seabed on the planet, a consequence of decades of intensive oil and gas exploration. Yet, for years, a violent secret remained hidden beneath the rolling gray waves and hundreds of meters of sediment.

In 2002, while analyzing seismic survey data, geologists Simon Stewart and Philip Allen spotted something extraordinary: a series of concentric, crater-like rings carved into the chalk layer nearly a kilometer below the seafloor. This feature, dubbed the Silverpit crater, immediately ignited a firestorm of scientific debate that reveals as much about the challenges of geology as it does about the history of our solar system.

The Silverpit structure Back to video

At first glance, Silverpit looks like a textbook impact site. It possesses a central crater surrounded by a suite of nested, circular faults that resemble the ripples created by a pebble tossed into a pond. However, the discovery was met with significant skepticism. Unlike the massive Chicxulub crater in Mexico, which left behind a global layer of........

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