Dino-killing asteroid impact ignited instant fires over 1,500 mile-radius

Prof. Kneller said: “What triggered these forest wildfires and their extent and timing have been debated for quite a while.

“Until now, it has not been clear whether the fires were caused as a direct result of the impact or subsequently.

In the latter hypothesis, he explained, argued that “vegetation killed by the post-impact darkness — caused by the debris thrown up into the atmosphere — was set ablaze by things such as lightning strikes.

“By assembling this international team, we were able to apply a unique combination of chemical, isotopic , palaeontological, palaeobotanical and spectroscopic techniques, along with geological mapping, firstly to confirm that the rocks we analysed date precisely from the impact.”

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Article source: https://www.express.co.uk/news/science/1666969/dino-killing-asteroid-impact-ignited-instant-fires-over-1500-mile-radius-devastating