globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2021.117063
论文题名:
Chicxulub impact tsunami megaripples in the subsurface of Louisiana: Imaged in petroleum industry seismic data
作者: Kinsland G.L.; Egedahl K.; Strong M.A.; Ivy R.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2021
卷: 570
语种: 英语
中文关键词: Chicxulub ; images ; Louisiana ; megaripples ; seismic data ; tsunami
英文关键词: Deposits ; Gasoline ; Geophysical prospecting ; Petroleum industry ; Seismic waves ; Tsunamis ; Well logging ; 3D seismic ; Chicxulub ; Chicxulub impact ; Image ; K-pg boundaries ; Large-scales ; Louisiana ; Megaripples ; Paleogene ; Seismic datas ; Seismic response ; Cretaceous-Paleogene boundary ; ripple ; seismic data ; shale ; tsunami event ; well logging ; Bay of Campeche ; Chicxulub Crater ; Louisiana ; Mexico [North America] ; United States ; Yucatan ; Yucatan Peninsula
英文摘要: Large-scale megaripples have been recognized in a petroleum industry 3D seismic horizon near the Cretaceous/Paleogene (K-Pg) boundary. These features occur at the top of the Cretaceous/Paleogene Boundary Deposit (KPBD) which is a “cocktail” of mass transport deposits and debris widely recognized as resulting from the impact of a large bolide 66 million years ago (Ma) creating the Chicxulub impact crater on the northwestern corner of the Yucatan Peninsula of Mexico. We examine the seismic data and associated well-logs and conclude that the features are megaripples caused by the tsunami resulting from the impact. These megaripples are preserved as a result of having formed below storm wave base and being buried by Paleocene deep water shales. This association suggests that the Chicxulub impact is the single cause for the KPBD, the megaripples, and the end of the Mesozoic. © 2021 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/165541
Appears in Collections:气候变化与战略

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作者单位: School of Geosciences, University of Louisiana at Lafayette, Room 232, Hamilton Hall, McKinley St.70504, United States; 5043 Schreiner Dr., Winnemucca, NV 89445, United States; 31207 Harmony Falls Ct., Hockley, TX 77447, United States

Recommended Citation:
Kinsland G.L.,Egedahl K.,Strong M.A.,et al. Chicxulub impact tsunami megaripples in the subsurface of Louisiana: Imaged in petroleum industry seismic data[J]. Earth and Planetary Science Letters,2021-01-01,570
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