Uniformitarianism

November 21, 2020 Posting Komentar

Uniformitarianism is a principle in science and in the philosophy of scienceEssentially uniformitarianism spells out the assumption that natural law has always operated as it operates at present. However gradual change like that caused by erosion has also played an important role in the Earths history.

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From 19th c Antonym.

Uniformitarianism. Chiefly geology The scientific principle that natural processes operated in the past in the same way and at the same rates that they operate today. The classical concept that the present is the key to the past. Uniformitarianism holds that rates and intensities of geologic processes are constant through time.

This view is a complete reconciliation of catastrophism and uniformitarianism and is far more rational than either extreme. It states that changes in the earths crust throughout history have resulted from the action of uniform continuous processes that are still occurring today. Catastrophism and uniformitarianism are opposite extremes which must be combined and reconciled.

The theory that all geologic phenomena may be explained as the result of existing forces having operated uniformly from the origin of the earth to the present time. It is fundamental to geologic thinking and the science of geology. The term was most utilized in the field of geology although it also applies to other areas.

Uniformitarian definition supporting conforming to or derived from a theory or doctrine about uniformity especially on the subject of geology. Uniformitarianism holds that Earth is very old. Charles Lyell Discrete rock layers containing different fossils reinforced the idea that the Earths history could be divided into ages marked by catastrophic change.

Uniformitarianism definition is - a geologic doctrine that processes acting in the same manner as at present and over long spans of time are sufficient to account for all current geological features and all past geological changes. The Flood caused such a drastic change in most natural processesespecially those of erosion and deposition but of most others as wellthat scientists cannot legitimately extrapolate present processes beyond that period in the past. Uniformitarianism holds that Earth s conditions have changed little over geologic time.

In this work Hutton proposed that the causes acting on the world today also acted in the past. Uniformitarianism is the idea that the same physical laws of today have always operated. What does uniformitarianism mean.

This is known as uniformitarianism. The principle of uniformitarianism is essential to understanding Earths history. The doctrine that all geologic changes may be explained by existing physical and chemical processes as erosion deposit.

There has been much puffy stuff written about whether Lyells uniformitarianism permitted variations in. Thus uniformitarianism would be a valid principle with which to study all natural phenomena since the end of the Flood period. Catastrophism 2004 Richard Fortey The Earth Folio Society 2011 p.

Uniformitarianism is a geological theory that describes the processes shaping the earth and the Universe. Although an assumption it is considered a very good and reasonable assumption and certainly produces theories which are self-consistent plausible and which explain observed evidence well. To my mind there appears to be no sort of necessary theoretical antagonism between Catastrophism and uniformitarianism.

What does uniformitarianism mean. It refers to invariance in the metaphysical principles underpinning science such as the constancy of cause and effect throughout space-time but has also been used to describe spatiotemporal invariance of. Uniformitarianism holds that only non-catastrophic or gradual processes have operated during geologic time.

It was the centerpiece of James Huttons 1795 geology book Theory of the Earth with proofs and illustrations. Uniformitarianism in geology the doctrine suggesting that Earths geologic processes acted in the same manner and with essentially the same intensity in the past as they do in the present and that such uniformity accounts for all geologic change. However prior to 1830 uniformitarianism was not the prevailing theory.

Uniformitarianism is defined in the authoritative Glossary of Geology as the fundamental principle or doctrine that geologic processes and natural laws now operating to modify the Earths crust have acted in the same regular manner and with essentially the same intensity throughout geologic time and that past geologic events can be explained by phenomena and forces observable today. This means that the rocks of the Earth were formed by processes which we can see operating today. Uniformitarianism also known as the Doctrine of Uniformity or the Uniformitarian Principle is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe.

The idea that Earth has always changed in uniform ways and that the present is the key to the past. Uniformitarianism is a term used to summarize the idea that the past natural processes bear similarities with todays processes and will keep on that way in future. Information and translations of uniformitarianism in the most comprehensive dictionary definitions resource on the web.

Uniformitarianism yōōnə-fôrmĭ-târ ē-ə-nĭzəm The theory that all geologic phenomena may be explained as the result of existing forces having operated uniformly from the origin of the Earth to the present time.

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