The Cretaceous‐Tertiary Impact Crater and the Cosmic Projectile That Produced It a

@article{Sharpton1997TheCI,
  title={The Cretaceous‐Tertiary Impact Crater and the Cosmic Projectile That Produced It a},
  author={V. Sharpton and L. Mar{\'i}n},
  journal={Annals of the New York Academy of Sciences},
  year={1997},
  volume={822}
}
ABSTRACT: Evidence gathered to date from topographic data, geophysical data, well logs, and drill‐core samples indicates that the buried Chicxulub basin, the source crater for the ∼65 Ma Cretaceous‐Tertiary (K/T) boundary deposits, is ∼300 km in diameter. A prominent topographic ridge and a ring of gravity anomalies mark the position of the basin rim at ∼150 km from the center. Wells in this region recovered thick sequences of impact‐generated breccias at 200–300 m below present sea level… Expand
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