Map showing the location of Nal Quarry (IMAGE) Max Planck Institute of Geoanthropology Caption Map showing the location of Nal Quarry at the threshold of the Asian monsoon, and ~200km away from modern rivers in the Thar Desert. Credit J. Blinkhorn Usage Restrictions Use only with appropriate credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.