In Ted Nield’s book (2011), Derek V. Ager (1923–1993), the famous British paleontologist and stratigrapher, is presented at length by his former student as the father of neocatastrophism. The ideas of violent events and processes as geological agents were revived following a long-term predominance of the paradigm of uniformitarianism (“natural processes are steady across time and space”) and the gradual theory of evolution (e.g., Palmer 2003). The neocatastrophism renaissance by the late twentieth century was paired with the successful emergence of two interconnected concepts: 1) the rare event principle and 2) the bolide impact theory of mass extinction. In...

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