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4.1-Billion-Year-Old Martian Meteorite Reveals Evidence Of Ancient Water

Researchers published a study in Science examining Teghaza 001, an approximately 800-gram rock recovered in eight pieces.

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Meteorite found in Mali traces back more than 4.1 billion years. Pic via(@turkiyetodaycom)

A 4.1-billion-year-old Martian meteorite discovered in Mali is offering scientists rare insights into the Red Planet’s ancient environment and evidence of early water.

Researchers published a study in Science examining Teghaza 001, an approximately 800-gram rock recovered in eight pieces. Its distinctive igneous minerals suggest water penetrated Mars’ deeper crust as the rock cooled and crystallised.

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Lead author Yang Liu of NASA’s Jet Propulsion Laboratory described the meteorite as evidence from a period when Mars was likely warmer and wetter. Hydrogen and oxygen isotope analysis further supports the presence of ancient water beneath the planet’s surface.

Unlike the 2.1-billion-year-old Black Beauty meteorite, Teghaza 001 provides a much older record of Martian geology. Researchers say it complements satellite observations and could help explain Mars’ early evolution and potential to support microbial life.

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