Mount McArthur (left), McArthur Glacier, and Isolated Peak (right)
Climate
Based on the Köppen climate classification, this mountain is located in a subarctic climate zone with cold, snowy winters, and mild summers.[4] Winter temperatures can drop below −20 °C with wind chill factors below −30 °C.
Geology
The 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.[5]
^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.