Current interpretations argue that the Qomolangma and North Col formations consist of marine
sediments that accumulated within the continental shelf of the northern, passive continental margin of India prior to its collision with Asia.
Two popular brands in China are Qomolangma Glacier, sourced from a supposedly protected reserve
linked to Mount Everest, on the border with Nepal, and 9000 Years, named after the assumed age of its glacial source.