地球上的全新世撞击坑

IF 0.6 Q3 GEOGRAPHY
Anna Losiak
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引用次数: 0

摘要

撞击坑是由高速运动的宇宙天体碰撞形成的。这些特征的形成并不局限于遥远的地质历史;新的构造不断形成,仅在全新世就形成了至少13个已确认的撞击坑和陨石坑区。这篇简短的综述:(1)向物理地理学家和第四纪地质学家介绍了撞击坑过程的基本知识;(2)对这些特征的代表性例子(Morasko, Kaali, Kamil, Ilumetsa)进行了简短的描述;(3)讨论了非常小的陨石坑之间的异同,并将其与较大的撞击结构进行了对比。这篇手稿可能对研究人员计划测试地面上的一个小的第四纪凹陷是否可能是撞击起源有用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Holocene impact craters on Earth
Abstract Impact craters are formed by collisions of cosmic bodies moving with hypervelocity. The formation of these features is not restricted to the distant geological past; new structures are constantly being created and at least 13 confirmed impact craters and crater fields have formed during the Holocene alone. This short review paper: (1) introduces the basics of the impact cratering process to physical geographers and Quaternary geologists; (2) provides a short description of representative examples of such features (Morasko, Kaali, Kamil, Ilumetsa); and (3) discusses the similarities and differences among very small craters, and contrasts these with larger impact structures. This manuscript may be useful to researchers planning to test whether a small Quaternary depression in the ground may be of impact origin.
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来源期刊
CiteScore
1.90
自引率
0.00%
发文量
21
审稿时长
14 weeks
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