MULTIZ321
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We Finally Know How Much the Dino-Killing Asteroid Reshaped Earth - by Jane Palmer/ Science/ SmithsonianMag.com
"The impact that wiped out large dinosaurs also dumped hundreds of feet of debris in the ocean off the Yucatán peninsula.
More than 65 million years ago, a six-mile wide asteroid smashed into Mexico's Yucatán peninsula, triggering earthquakes, tsunamis and an explosion of debris that blanketed the Earth in layers of dust and sediment.
Now analysis of commercial oil drilling data—denied to the academic community until recently—offers the first detailed look at how the Chicxulub impact reshaped the Gulf of Mexico. Figuring out what happened after these types of impacts gives researchers a better idea of how they redistribute geological material around the world. It also gives scientists an idea of what to expect if another such impact were to occur now.
The Chicxulub impact, which wiped out large dinosaurs and giant marine reptiles, created a global layer of debris that is now part of the geologic record. Geologists refer to this layer as the Cretaceous–Paleogene boundary, because it marks the switch between these two geologic time periods..."
An artist's rendering of Chicxulub, the asteroid believed to have wiped out large dinosaurs and reshaped parts of the world. (Elenarts/iStock)
Richard
"The impact that wiped out large dinosaurs also dumped hundreds of feet of debris in the ocean off the Yucatán peninsula.
More than 65 million years ago, a six-mile wide asteroid smashed into Mexico's Yucatán peninsula, triggering earthquakes, tsunamis and an explosion of debris that blanketed the Earth in layers of dust and sediment.
Now analysis of commercial oil drilling data—denied to the academic community until recently—offers the first detailed look at how the Chicxulub impact reshaped the Gulf of Mexico. Figuring out what happened after these types of impacts gives researchers a better idea of how they redistribute geological material around the world. It also gives scientists an idea of what to expect if another such impact were to occur now.
The Chicxulub impact, which wiped out large dinosaurs and giant marine reptiles, created a global layer of debris that is now part of the geologic record. Geologists refer to this layer as the Cretaceous–Paleogene boundary, because it marks the switch between these two geologic time periods..."
An artist's rendering of Chicxulub, the asteroid believed to have wiped out large dinosaurs and reshaped parts of the world. (Elenarts/iStock)
Richard