"Impactites de Chicxulub" The Chicxulub (200 km-diameter, 66.05 Ma, Yucatán Peninsula, Mexico), is the only impact structure on Earth with a well-preserved peak ring. It was drilled in 2016 by the joint IODP-ICDP Expedition 364, providing a unique opportunity to investigate the peak ring rocks, in order to better understand how they emplaced, and finally […]