However, the 2012 study’s findings that a long-term weakening of the monsoon is what caused the drying up of the Ghaggar–Hakra got a big thumbs-up in July 2018 when the International Commission on Stratigraphy (ICS), the official keeper of geologic time, introduced a new age called the Meghalayan, which runs from 2200 BCE to the present. This is significant because according to the ICS, the Meghalayan age began with a mega drought that crushed a number of civilizations worldwide – in Egypt, Mesopotamia, China and, of course, India. The mega drought was likely triggered by shifts in ocean and
...more
