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Columbia Encyclopedia entry: catastrophism
Catastrophismkətăs'trəfĭzəm, in geology, the doctrine that at intervals in the earth's history all living things have been destroyed by cataclysms (e.g., floods or earthquakes) and replaced by an entirely different population. During these cataclysms the features of the earth's surface, such as mountains and valleys, were formed. The theory, popularly accepted from the earliest times, was attacked in the late 18th cent., notably by James Hutton, who may be regarded as the precursor of the opposite doctrine of uniformitarianism.

Catastrophism, however, was more easily correlated with religious doctrines (e.g., the Mosaic account of the Flood) and remained for some time the interpretation of the earth's history accepted by the great majority of geologists. It was systematized and defended by the Frenchman Georges Cuvier, whose position as the greatest geologist of his day easily overbore all opposition. In the 19th cent., it was attacked by George Poulett Scrope and especially by Sir Charles Lyell, under whose influence the contrary doctrine gradually became more popular. Recent theories of meteorite, asteroid, or comet impacts triggering mass extinctions can be interpreted as a revival of catastrophism.

See R. Huggett, Catastrophism: Asteroids, Comets, and Other Dynamic Events in Earth History (1998); T. Palmer, Controversy: Catastrophism and Evolution: The Ongoing Debate (1999).

Wikipedia search results for: Catastrophism
From Wikipedia, the free encyclopedia
Catastrophism is the idea that Earth has been affected in the past by sudden, short-lived, violent events, possibly worldwide in scope. The dominant paradigm of modern geology, in contrast, is uniformitarianism, in which slow incremental changes, such as erosion, create the Earth's appearance. This view holds that the present is the key to the past, and that all things continue as they were from the beginning of the world. Recently a more inclusive and integrated view of geologic events has developed, changing the scientific consensus to accept some catastrophic events in the geologic past. Until the 19th century the dominant scientific beliefs in Europe...more »
Columbia Encyclopedia search results: catastrophism
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