Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes...

One of the key differences between catastrophism and uniformitarianism is that uniformitarianism observes the existence of vast timelines, whereas catastrophism...

intensities. The philosopher William Whewell dubbed this gradualistic view "uniformitarianism" and contrasted it with catastrophism, which had been championed by...

Principles of Geology, which explained both uniformitarian methodology and theory. Using uniformitarianism, which states that one cannot make an appeal...

geological history and the timing of geological events. The principle of uniformitarianism states that the geological processes observed in operation that modify...

published in 3 volumes from 1830 to 1833. Lyell used the theory of uniformitarianism to describe how the Earth's surface was changing over time. This theory...

catastrophic explanation of the geology, against the prevailing view of uniformitarianism, and Bretz's views were initially discredited. However, as the nature...

Gradualism/Punctuated equilibrium/Saltationism Micromutation/Macromutation Uniformitarianism/Catastrophism Speciation Allopatric Anagenesis Catagenesis Cladogenesis...

involved in the Pre-Adamitic period was not commonly accepted until uniformitarianism as presented in Charles Lyell's Principles of Geology of 1830. While...

geologic history and the timing of geologic events. The principle of Uniformitarianism states that the geologic processes observed in operation that modify...