The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater. Tektites are natural glass formed when debris falls back to Earth after a ...
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Crater Three Times Larger Than the Grand Canyon Found in the U.S.Spanning 25 miles in diameter, this crater is three times the size of the Grand Canyon, making it the largest known impact site in the U.S. and the 15th largest on Earth.
In the new study, Katarina Rodiouchkina and colleagues used sulfur concentrations and isotopic compositions from new drill cores of impact rocks within the crater region, combined with detailed ...
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