Glen T. Penfield

collaborated with:

• Alan Hildebrand

  Sources: Chicxulub Crater: A possible Cretaceous/Tertiary boundary impact crater on the Yucatán Peninsula, Mexico

Appears in1 item

• 
  The Big Five Mass Extinctions1 item
  • The crater is found · first reporterSep 1991

Sources

1. ArticleChicxulub Crater: A possible Cretaceous/Tertiary boundary impact crater on the Yucatán Peninsula, Mexico