Adriana Ocampo has led six research expeditions to study what geological formation that is more than 180 km in diameter and 20 km in depth
Chicxulub crater: The Chicxulub crater ( ; ] ) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Chicxulub crater:  The crater is more than 180 km in diameter and 20 km in depth, well into the continental crust of the region of about 10–30 km depth.
i don't know