March 30, 2024
Stegosaurs of Whitby
Leading a family fossil hunt at Whitby, I walked my group onto East Scar, beneath Whitby Abbey. The rocks in the foreshore and lower part of the cliffs here are Early Jurassic marine shales. The dark grey layers, peppered with hard, pale lumps, belong to the Whitby Mudstone Formation. The hard pale lumps are limestone nodules (concretions) that grew around...