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...

coherent account to date by expressly linking the Uniformitarian Principle to geographical uniformitarianism and expressing the parallels. Around the same...

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...

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

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...

of Charles Lyell in the 1830s, who incorporated this theory into uniformitarianism. However, geologists regard sedimentary rocks such as limestone as...

extinction garnered him many opponents in the newly emerging school of uniformitarianism. Jean-Baptiste Lamarck, a gradualist and colleague of Cuvier, saw...

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

and the Native American language families. In historical work, the uniformitarian principle is generally the underlying working hypothesis, occasionally...

thought of Charles Darwin, successfully promoted the doctrine of uniformitarianism. This theory states that slow geological processes have occurred throughout...

replaced neptunism in the early 19th century as the principle of uniformitarianism was shown to fit better with the geological facts as they became better...

met John Herschel, who had recently written to Lyell praising his uniformitarianism as opening bold speculation on "that mystery of mysteries, the replacement...

one of the earliest proponents of what in the 1830s became known as uniformitarianism, the science which explains features of the Earth's crust as the outcome...

been too hot to support life and contrasted this view with that of uniformitarianism, that conditions had remained constant since the indefinite past....

Charles Darwin, combining the biogeographical approach of Humboldt, the uniformitarian geology of Lyell, Malthus's writings on population growth, and his own...

James Hutton proposed a self-maintaining infinite cycle, anticipating uniformitarianism. Charles Darwin's grandfather Erasmus Darwin outlined a hypothesis...

Platonic ideals (or typus) of created kinds. However, the theory of uniformitarianism in geology promoted the idea that simple, weak forces could act continuously...

by proposing the theory of uniformitarianism, which is now a basic principle in all branches of geology. Uniformitarianism describes an Earth formed by...

watchmaker analogy, held that Darwin's theory fit with "the principle of uniformitarianism—the idea that all processes in the world occur now as they have in...

manifested in the Creation. In this work Babbage weighed in on the side of uniformitarianism in a current debate. He preferred the conception of creation in which...

accepted as possible within an overall uniformitarian framework. In relation to geological forces, uniformitarianism explains the formation of the Earth's...

published Principles of Geology, which not only put forth the concept of uniformitarianism, which was in direct contrast to the popular geological theory, at...

of Edinburgh in 1785. Hutton's theory would later become known as uniformitarianism, popularised by John Playfair (1748–1819) and later Charles Lyell...

island chains). A foundational idea in Earth science is the notion of uniformitarianism, which states that "ancient geologic features are interpreted by understanding...

extremely important consideration in interpreting fossil assemblages. Uniformitarianism is the concept that processes that took place in the geologic past...