This book makes a timely appearance in the general scope of Earth and Planetary Science thinking. The last quarter century has witnessed a quiet, post-platetectonic revolution in the geosciences. For one, there has been the growing realization that our planet has not magically escaped the consequences of bombardment by asteroids and comets. As so well demonstrated by the Moon’s thoroughly cratered surface, Earth was impacted as much as any other planet, especially in the period before 3.8 Ga during the elusive Hadean times. The relative paucity of impact structures on Earth (174 versus, for example, more than 40,000 named...

First Page Preview

First page PDF preview
You do not currently have access to this article.