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Oldest direct evidence of hot water activity on Mars found

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2024-11-23 17:00:10

This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility:

New Curtin University-led research has uncovered what may be the oldest direct evidence of ancient hot water activity on Mars, revealing the planet may have been habitable at some point in its past.

The study analyzed a 4.45 billion-year-old zircon grain from the famous Martian meteorite NWA7034, also known as Black Beauty, and found geochemical "fingerprints" of water-rich fluids.

Study co-author Dr. Aaron Cavosie from Curtin's School of Earth and Planetary Sciences said the discovery opened up new avenues for understanding ancient Martian hydrothermal systems associated with magmatism, as well as the planet's past habitability.

"We used nano-scale geochemistry to detect elemental evidence of hot water on Mars 4.45 billion years ago," Dr. Cavosie said. "Hydrothermal systems were essential for the development of life on Earth and our findings suggest Mars also had water, a key ingredient for habitable environments, during the earliest history of crust formation.

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