Kerr, Andrew. “Classic Rock Tours 1. Hutton’s Unconformity at Siccar Point, Scotland: A Guide for Visiting the Shrine on the Abyss of Time”. Geoscience Canada 45, no. 1 (April 20, 2018): 27–42. Accessed May 5, 2024. https://journals.lib.unb.ca/index.php/GC/article/view/26048.