Probably the most significant aspect to Chicxulub crater is that it is thought to be what caused the extinction of the dinosaurs. Scientists revealed this evidence in 2019. Il cratere di Chicxulub è un antico cratere da impatto sepolto sotto la penisola dello Yucatán, con il suo centro localizzato approssimativamente vicino al paese di Chicxulub, nel Messico.Le ricerche suggeriscono che questa struttura d'impatto possa datarsi a circa 65,95 milioni di anni fa, durante il passaggio tra il periodo Cretaceo e quello detto Paleogene. The impact is said to have melted Earth’s crust to a depth of 27 kilometers. The crater, now buried beneath kilometer-thick sediment, has been imaged using new geophysical techniques. In fact it is so hidden, that nowadays the crater is not noticeable when walking across it, as the crater is merely 3-4 meters deep. It appears to have a diameter of 145 to 180 km, which makes it one of the largest confirmed impact structures on Earth. But drilling into the Chicxulub crater revealed more than one truth about this devastating geological event. The rocks also told the story of what had happened once the asteroid had smashed into the Earth. At the point of impact, the picture was even more dire. September 19, 2019. It is a multi-ringed structure, similar to those mentioned in a previous Picture of the Day, approximately 300 kilometers in diameter. Huge Global Tsunami Followed Dinosaur-Killing Asteroid Impact . Matt Carroll. Find high-quality Chicxulub stock photos and editorial news pictures from Getty Images. The Chicxulub crater is buried beneath 66 million years of sediments, and if you were to look at it today you would see that half of it is underwater and the other half is covered by rain forest. Chicxulub Impact Breccia. He commented: "66 million years ago a 14-km wide asteroid struck this part of Mexico and wiped out the dinosaurs." The Chicxulub crater represents the most recent major impact on the Earth, and despite its geologically young age, it is already an extremely well- hidden structure that has taken teams of geologists and geophysicists many years to unravel. Image: Mary Mowat, ECORD/IODP. New research details first days after asteroid strike that killed off dinosaurs. The space rock left a sterile crater nearly 20 miles deep in what is now known as Chicxulub, Yucatán, in the Gulf of Mexico. The meteorite that produced the Chicxulub crater was about 10 km in diameter. The Chicxulub crater is the only well-preserved peak-ring crater on Earth, but it is common to observe similar types of impact on other planets and moons. The discovery of shocked quartz, shocked feldspar, and impact melts in the Yucatán-6 exploration borehole from the interior of the Chicxulub structure, proved it was an impact crater and that it was produced at the Cretaceous-Tertiary (K-T) boundary. A newly published study of rock samples extracted from the Chicxulub Crater's inner rim reveals a detailed look at what happened in the wake of this catastrophe.
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