When the adjacent Mount Pleasant Complex was being constructed in the aftermath of the Falkland conflict, a quarry was opened up on the lower slopes of Pleasant Peak to supply hard rock (quartzite) for the construction of the foundations and a base for the runway.[3]
^Aldis, E. T.; Edwards, D. J. (1999). "The Geology of the Falkland Islands"(PDF). nerc.ac.uk. British Geological Survey. p. 208. Retrieved 24 September 2017.