Mushroom Peak 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.[6]
Gallery
Mushroom Peak's north face
Mushroom Peak (left) seen with Diadem Peak (right) from the Icefields Parkway
^Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11: 1633–1644. ISSN1027-5606.
^Gadd, Ben (2008), Geology of the Rocky Mountains and Columbias