Figure 1

Paleogeography and modern location of study localities. (a) Early Jurassic paleogeographic reconstruction with the approximate paleolocation of Williston Lake sites after Greene et al.14 and Kennecott Point site after Kasprak et al.18, and outlined area within Pangaea showing the extent of CAMP. (b) Map of the studied localities at Williston Lake, British Columbia modified from Wignall et al.24 1 = Black Bear Ridge (56.08758333°N, 123.04388889°W), 2 = Pardonet Creek (56.03527778°N, 123.03500000°W), 3 = Ne Parle Pas (56.01682778°N, 123.08305556°W).