By studying zircons found in some Martian meteorites, it has been discovered that on Mars liquid water remained on the surface until the late Amazonian, that is, until 227 – 56 million years ago!
If confirmed, this discovery will radically upset our beliefs about the history of liquid water on Mars by greatly expanding the period in which climatic conditions remained favorable for the development of indigenous life forms.
This study is extremely interesting also from the methodological point of view, since the results have been compared with lunar and terrestrial samples providing always extremely consistent results.
A must read!!!
Source: https://phys.org/news/2019-06-low-temperature-aqueous-martian-zircon-late.html
Complete research in PDF downloadable for free:
“Record of low-temperature aqueous alteration of Martian zircon during the late Amazonian”. https://www.nature.com/articles/s41467-019-10382-y.pdf
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