Additional evidence supports a timescale exceeding 100,000 years for the Guliya ice cap, Tibetan Plateau.

Guliya ice cap records reveal a timescale exceeding 100,000 years, with evidence extending back to 128,000 years, the oldest known in Tibet.

• Why it matters: Understanding the age of the Guliya ice cap is crucial for reconstructing past climate variations and glacial history on the Tibetan Plateau, filling a significant knowledge gap.
• What they did: Scientists analyzed two cores using isotopic and cosmogenic nuclide dating methods, including 10 Be and 36 Cl, and compared isotope records with speleothem data to establish a comprehensive timescale.
• The result: Findings confirm the ice is over 100,000 years old, enabling better insights into glacial cycles and climate change, while highlighting the need for further research into orbital and deglaciation relationships.