Oldest known Mars rock is a ‘Rosetta stone’ for the Red Planet’s watery past

Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it’s revealing previously hidden chapters of Mars’s deep past

科学家确认2022年在撒哈拉沙漠发现的火星陨石Teghaza 001至少有41亿年历史，是已知最古老的火星岩石。其矿物显示液态水曾渗入火星地幔与地壳，为研究火星早期宜居环境提供了罕见样本。