JOURNAL ARTICLE

An ancient impact could help in the search for Martian life.

  • Published In: Science News, 2025, v. 207, n. 9. P. 30 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: FOX, DOUGLAS 3 of 3

Abstract

The article discusses the discovery of one of Earth's oldest asteroid impacts, located at North Pole Dome in northwest Australia, which likely occurred between 1.2 billion and 1.8 billion years ago. This impact site, now known as the Miralga impact structure, contains ancient volcanic rocks and shatter cones that provide insights into the effects of asteroid impacts on early life and fossils. The findings are significant for understanding potential Martian microbial fossils, as the geological features on Earth serve as analogs for conditions that may have existed on Mars billions of years ago. Scientists emphasize the importance of this discovery in predicting how Martian fossils might appear, given the alterations caused by impacts and other geological processes. [Extracted from the article]

Additional Information

  • Source:Science News. 2025/09, Vol. 207, Issue 9, p30
  • Document Type:Article
  • Subject Area:Earth and Atmospheric Sciences
  • Publication Date:2025
  • ISSN:0036-8423
  • Accession Number:187184926
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