Size and morphology of the Chicxulub impact crater

被引：0
|
作者：
Jo Morgan
Mike Warner
John the Chicxulub Working Group
Richard Brittan
Antonio Buffler
Gail Camargo
Paul Christeson
Alan Denton
Richard Hildebrand
Hamish Hobbs
Graeme Macintyre
Peter Mackenzie
Luis Maguire
Yosio Marin
Mark Nakamura
Virgil Pilkington
Dave Sharpton
Gerardo Snyder
Alberto Suarez
机构：
[1] Imperial College,Department of Geology
[2] University of Texas Institute for Geophysics,undefined
[3] Petroleos Mexicanos,undefined
[4] University of Leicester,undefined
[5] Geological Survey of Canada,undefined
[6] BIRPS,undefined
[7] Bullard Laboratories,undefined
[8] University of Cambridge,undefined
[9] Universidad Nacional Autonoma de Mexico ,undefined
[10] Lunar and Planetary Institute,undefined
来源：
Nature | 1997年 / 390卷
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摘要：
The Chicxulub impact in Mexico has been linked to the mass extinction of species at the end of the Cretaceous period. From seismic data collected across the offshore portion of the impact crater, the diameter of the transient cavity is determined to be about 100 km. This parameter is critical for constraining impact-related effects on the Cretaceous environment, with previous estimates of the cavity diameter spanning an order of magnitude in impact energy. The offshore seismic data indicate that the Chicxulub crater has a multi-ring basin morphology, similar to large impact structures observed on other planets, such as Venus.
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页码：472 / 476
页数：4
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