A meteorite from the Cretaceous/Tertiary boundary

  title={A meteorite from the Cretaceous/Tertiary boundary},
  author={Frank T. Kyte},
Cretaceous/Tertiary boundary sediments are now widely recognized to contain the record of a large asteroid or comet impact event, probably at the site of the Chicxulub crater on the Yucatan peninsula. After nearly two decades of intensive research, however, much remains unknown about the specific nature of the projectile and of the impact event itself. Here we describe a 2.5-mm fossil meteorite found in sediments retrieved from the Cretaceous/Tertiary boundary in the North Pacific Ocean that we… CONTINUE READING
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