IMPACT CRATERING AT GEOLOGIC STAGE BOUNDARIES

被引：14
|
作者：
STOTHERS, RB
机构：
[1] Nasa, Goddard Space Flight Center, Institute for Space Studies
来源：
GEOPHYSICAL RESEARCH LETTERS | 1993年 / 20卷 / 10期
关键词：
D O I：
10.1029/93GL00907
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The largest known Cenozoic impact craters with the most accurately measured ages are found to correlate very closely with geologic stage boundaries. The level of confidence in this result is 98-99 % even under the most pessimistic assumptions concerning dating errors. One or more large impacts may have led, in at least some cases, to the extinctions and first appearances of biotic species that mark many of the geologic stage boundaries.
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页码：887 / 890
页数：4
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