Scientists have recognized a meteorite found in Mali’s Sahara Desert as one of many oldest Martian rocks ever discovered on Earth, providing new insights into the planet’s geological and water historical past. Named Teghaza 001, the roughly 800-gram specimen fashioned greater than 4.1 billion years in the past and is amongst simply three of essentially the most historic Martian meteorites recognized to date. Researchers discovered that the rock accommodates uncommon volcanic minerals and zircon crystals that reveal how Mars’ crust cooled and was later altered by underground water round 4.1 billion years in the past. The proof suggests there was an lively water cycle on early Mars. Scientists consider additional evaluation of the rock may reveal extra concerning the planet’s historic crust and altering atmosphere.
