During the First collision of your Asia and Indian plates, this granitic batholith was buried to depths of about 20 kilometres (twelve mi) or more, hugely metamorphosed, hugely deformed, and partly remelted over the Eocene Period of time to sort gneiss. Later on, the K2 Gneiss was then intruded by leucogranite https://spice-gold14678.blogocial.com/an-unbiased-view-of-am-scs-68757710