Mount Buller was named in 1922 after Lieutenant Colonel H.C. Buller DSO, a casualty of World War I. It is located in the Kananaskis Range in Alberta. Buller is composed of sedimentary rock laid down during the Precambrian to Jurassic periods. Formed in shallow seas, this sedimentary rock was pushed east and over the top of younger rock …Mount Buller was named in 1922 after Lieutenant Colonel H.C. Buller DSO, a casualty of World War I. It is located in the Kananaskis Range in Alberta. Buller is composed of sedimentary rock laid down during the Precambrian to Jurassic periods. Formed in shallow seas, this sedimentary rock was pushed east and over the top of younger rock during the Laramide orogeny.