Deep under the bottom of the north sea, about 128 kilometers from the coast of the Yorkshire, there is a crater that has been confusing scientists for years. But the latest research is almost certainly confirmed by: Crate Silverpit was created by a stroke of asteroids or comet about 160 meters, more than 43 million years ago, the GUARDIAN transmits.
Scientists estimate that the stroke caused tsunami tall and up to 100 meters. Although the event was destructive for the then living world, it cannot be compared with cataclysm, which deleted dinosaurs ago. Silverpit is significantly lower than the famous Chicxulub crater in Mexico, but it has huge importance because the only confirmed impact crater is near today’s united kingdom.
3.2-kilometer diameter, surrounded by ring fuzzs nearly 20 kilometers wide, discovered in 2002. years of geon actions working on research for the purposes of the oil industry. Although some immediately claimed that it was a stroke, others thought it was a geological process of moving salty rocks.
Skeptics have long had the majority – 2009. year, in one scientific conference, most present voted against a hypothesis of impact.
The team of researchers leading the Sedimentologist Uisdean Nicholson from Heriot-Watt university used advanced seismic recording, microscopic rock analysis and computer models to get new knowledge. Their results, published in the prestigious Nature Communications, represent the strongest proof of so far that Silverpit is really a shock crater.
Hitting asteroids on the ground are extremely rare, and their preserved traces are even rarer – only about 200 such craters are known, of which only 33 are below the ocean. Silverpit is extremely well preserved, which makes it crucial to understand past shocks, but also potential threats in the future.
– Such discovery help us to better understand how strikes shaped the country, but also to predict what could happen if such an event is repeated – Nicholson said.
(Vijesti.ba)
