Researchers using advanced mass spectrometry have applied Iron-60 (60Fe) isotopic dating to iron beads found in Gerzeh, Egypt, confirming that the metal was sourced from meteorites and worked as early as 3500 BCE. While the meteoric origin of early Egyptian iron has been suspected, this new methodology provides a precise isotopic fingerprint that distinguishes extraterrestrial iron from terrestrial ores with 99.9% accuracy. The study proves that Pre-Dynastic smiths had developed cold-hammering and annealing techniques specifically for nickel-rich meteoric iron nearly two millennia before the Iron Age.
The presence of these artifacts suggests that meteoric iron was not only highly valued for its rarity but was also central to the early development of metallurgical ritualism in the Nile Valley. This research marks the first successful use of the 60Fe isotope as a chronometer for archaeological artifacts, offering a new tool for scientists to trace the earliest human interactions with metal across various ancient civilizations.