Size and structure of the Chicxulub crater revealed by horizontal gravity gradients and cenotes

A study shows the diameter of the Chicxulub crater in Yucatan Mexico to be approximately 180 km by examining the horizontal gradient of the Bouguer gravity anomaly over the structure. The coincidence of cenotes and peripheral gravity-gradient maxima suggests that cenote formation is closely related...

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Bibliographic Details
Published in:	Nature (London) Vol. 376; no. 6539; pp. 415 - 417
Main Authors:	Hildebrand, A. R, Pilkington, M, Connors, M, Ortiz-Aleman, C, Chavez, R. E
Format:	Journal Article
Language:	English
Published:	London Nature Publishing 03-08-1995 Nature Publishing Group
Subjects:	Earth sciences Earth, ocean, space Exact sciences and technology Geology Gravity Physics Stratigraphy Mexico North America Chicxulub Mexico gravity surveys slumping KT boundary gravity anomalies Yucatan Peninsula Bouguer anomalies karst faults meteor craters dimensions
Online Access:	Get full text
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Summary:	A study shows the diameter of the Chicxulub crater in Yucatan Mexico to be approximately 180 km by examining the horizontal gradient of the Bouguer gravity anomaly over the structure. The coincidence of cenotes and peripheral gravity-gradient maxima suggests that cenote formation is closely related to the presence of slump faults near the crater rim.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0028-0836 1476-4687
DOI:	10.1038/376415a0