Near the memorial towards the climbers which have died on K2, over Base Camp about the south spur, slender impure marbles with quartzites and mica schists, known as the Gilkey-Puchoz sequence, are interbanded inside the orthogneisses. About the west face of Broad Peak as well as south spur of K2, lamprophyre dikes, which consist of clinopyroxene an… Read More