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Title: Glacial Erratic, Yorkshire
Caption: Glacial erratics of Silurian Period millstone grit perched atop Carboniferous limestone near Settle in Yorkshire, England. The landscape has been rounded by a continental-type glacier, and much of the limestone has weathered away, except where it was protected by the millstone grit.
Category: Geology & Fossils
Credit: Album / Science Source / G. R. Roberts
Image size: 5128 × 3410 px | 50.0 MB
Print size: 43.4 × 28.9 cm | 2018.9 × 1342.5 in (300 dpi)