Archaeologists excavating a newly identified industrial sector on the outskirts of Dholavira have uncovered a sophisticated 4,500-year-old laboratory dedicated to the production of high-tensile mineral-alloys. The site features a series of reinforced terracotta vats containing trace residues of complex mineral combinations, suggesting that Harappan metallurgists were experimenting with specific ratios of arsenic, tin, and copper to create specialized tools for maritime construction.
The discovery includes several standardized mixing templates inscribed on steatite tablets, which appear to detail the precise cooling rates required to achieve maximum durability in the metal. This finding provides the first direct evidence of a formal scientific approach to metallurgy within the Indus Valley Civilization, moving beyond simple smelting to purposeful material science designed for the harsh conditions of the Arabian Sea.