The 30-ton meteorite excavated in Argentina in 2016 was one of the largest ever found on Earth. (Reuters) But Matthews said it might be a challenge for hunters to find anything near Meadow Creek.

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. # NASA data for ALH 77224 Weathering: C Fracturing: C Pairing: ALH 77004 Fa: 19 mol % Fs: 17 mol % ²⁶Al: 59 ± 2 dpm/kg ...