Military service personnel, having lost their lives in action, are honoured with government-issued stones made from marble or Barre Grey granite [41]; but, when the markers are to be located in more humid climates, they are usually cast in bronze. (see photo at lower right).

Canada’s war dead numbers over 110,000 and are proudly commemorated in 75 countries around the World! [42]
[41] “Canada and the Commonwealth War Graves Commission,” Ottawa: Commonwealth War Graves Commission [Internet]
http://www.cwgc.org/admin/files/Canada%20MG.pdf
[42] ibid.