Throughout the First collision with the Asia and Indian plates, this granitic batholith was buried to depths of about 20 kilometres (twelve mi) or maybe more, highly metamorphosed, hugely deformed, and partly remelted during the Eocene Period to type gneiss. Later on, the K2 Gneiss was then intruded by leucogranite dikes https://trevorjctkb.activablog.com/32166349/indicators-on-5f-pb-22-you-should-know