The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater.

Over the centuries, glacial melt water filled the crater, forming a freshwater body measuring 16km in diameter. According to NASA, this impact was ... well as diaplectic glass, shattered rock ...

The impact crater is the second discovered in China ... Other fragments of the rock escaped this melting process, and instead contain “shocked” quartz that shattered in a distinct pattern ...

Chicxulub ejecta (microtektites, impact-melt glass) is found at the site within the event deposit ... especially within the proximal ~2100 miles close to the crater, are incompletely resolved. The ...