Chicxulub: The Impact and Tsunami
The Story of the Largest Known Asteroid to Hit the Earth
- 124pages
- 5 heures de lecture
This book explores the catastrophic impact of the 10 Km asteroid Chicxulub, which struck the ancient Gulf of Mexico 65.5 million years ago. It begins by discussing asteroids and the potential for future Earth impacts. The narrative shifts to the discovery of a global sediment layer linked to the impact and the evidence that uncovered a massive crater hidden beneath the Gulf. The text reviews geological and fossil evidence that illustrates the disastrous events triggered by a "nuclear-like" explosion that devastated the sea, Earth, and atmosphere, resulting in a mega-crater and tsunami. The aftermath of the Chicxulub event led to significant global climate changes, including a "Nuclear Winter" of freezing darkness and intense greenhouse warming. A chapter focuses on tsunami science, detailing the catastrophic waves generated by Chicxulub. This global devastation resulted in the extinction of approximately 70% of animal and plant life, including the dinosaurs. The examination of an ancient Cambrian fossil bed highlights how random events can shape future evolution on Earth. The book illustrates how the destruction of the dinosaurs paved the way for the rise of small mammals, ultimately influencing human evolution. It offers a captivating look at the geological, climatological, and oceanographic impacts of this monumental astronomical event.
