The site has been discovered in the dinosaur-rich ‘badlands’ of the Hell Creek Formation of North Dakota. Chicxulub ejecta (microtektites, impact-melt glass) is found at the site within the event ...

Melted Rock These pieces of once-molten rock, called impact ejecta, are evidence of an explosion powerful enough to instantly melt bedrock and propel it more than a hundred miles from its origin.