The World Around Us

The Siccar Point promontory: a mould is being made of the unconformity for display at the American Museum of Natural History.

The Siccar Point promontory has an important place in the history of geology and the development of uniformitarianism. Here a mould is being taken of the unconformity for display in the American Museum of Natural History, New York in 1998.

Credit: Research Casting International, Toronto