A new research paper in Quaternary Science Reviews has utilized an innovative isotopic dating technique—Beryllium-10/Aluminum-26 burial dating—to analyze cave sediments associated with microlithic tools in the Western Ghats of India. The results push back the emergence of advanced micro-blade technology in the region to approximately 67,000 years ago, significantly earlier than previous estimates based on carbon dating.
This refined chronology challenges existing theories regarding the impact of the Toba super-eruption on early human populations in South Asia. The data suggests that local hominins not only survived the volcanic winter but continued to innovate technologically, indicating a high level of ecological resilience and continuity that predates the major 'Out of Africa' expansion of 50,000 years ago.