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The site of the crater at the time of impact was a marine carbonate platform. [26] The water depth at the impact site varied from 100 meters (330 ft) on the western edge of the crater to over 1,200 meters (3,900 ft) on the northeastern edge, with an estimated depth at the centre of the impact of approximately 650 meters (2,130 ft). [27]
The Yucatán Peninsula is the site of the Chicxulub crater impact, which was created 66 million years ago [16] by an asteroid of about 10 to 15 kilometers (6 to 9 miles) in diameter at the end of the Cretaceous Period. [17]
The location of the impact was unknown when the Alvarez team developed their hypothesis, but later scientists discovered the Chicxulub Crater in the Yucatán Peninsula, now considered the likely impact site. [4] Badlands near Drumheller, Alberta where erosion has exposed the K–Pg boundary.
A six-mile-long asteroid, which struck Earth 66 million years ago, wiped out the dinosaurs and more than half of all life on Earth.The impact left a 124-mile-wide crater underneath the Gulf of ...
Around 66 million years ago, an asteroid larger than Mt. Everest ripped through the atmosphere of Earth, striking our planet at the Yucatán Peninsula, on the southeastern coast of Mexico.
It was, to put it mildly, a bad day on Earth when an asteroid smacked Mexico's Yucatan Peninsula 66 million years ago, causing a global calamity that erased three-quarters of the world's species ...
[12] [13] The impact hypothesis, also known as the Alvarez hypothesis, was bolstered by the discovery of the 180 km (112 mi) Chicxulub crater in the Gulf of Mexico's Yucatán Peninsula in the early 1990s, [14] which provided conclusive evidence that the K–Pg boundary clay represented debris from an asteroid impact. [8]
By Will Dunham. WASHINGTON (Reuters) - It was a turning point in the history of life on Earth. An asteroid an estimated 6-9 miles (10-15 km) wide slammed into Mexico's Yucatan Peninsula 66 million ...