Uniformitarianism - Wikipedia
Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, [1] 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 …
Uniformitarianism | Definition & Examples | Britannica
uniformitarianism, in geology, the doctrine suggesting that Earth ’s 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 is sufficient to account for all geologic change.
Uniformitarianism: "The Present Is the Key to the Past"
2019年11月22日 · Uniformitarianism is a geological theory that describes the processes shaping the earth and the Universe. It states that changes in the earth's crust throughout history have resulted from the action of uniform, continuous processes that are still occurring today.
Uniformitarianism - Education | National Geographic Society
2023年10月19日 · Scientists look at modern-day geologic events—whether as sudden as an earthquake or as slow as the erosion of a river valley—to get a window into past events. This is known as uniformitarianism: the idea that Earth has always changed in uniform ways and that the present is the key to the past.
Uniformitarianism Definition & Meaning - Merriam-Webster
The meaning of UNIFORMITARIANISM 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.
Geologic Principles—Uniformitarianism - U.S. National Park Service
2018年9月27日 · In the first of three volumes, Charles Lyell sets forth the uniformitarian argument: processes now visibly acting in the natural world are essentially the same as those that have acted throughout the history of the Earth, and are sufficient to …
uniformitarianism summary | Britannica
uniformitarianism, Doctrine in geology that physical, chemical, and biologic processes now at work on and within the Earth have operated with general uniformity (in the same manner and with essentially the same intensity) through immensely long periods of time and are sufficient to account for all geologic change.
What is Uniformitarianism? - WorldAtlas
2017年12月14日 · Uniformitarianism is a term used to summarize the idea that the past natural processes bear similarities with today's processes and will keep on that way in future. The term was most utilized in the field of geology although it also applies to other areas.
Uniformitarianism - SpringerLink
Uniformitarianism is the doctrine that the geological processes operating in the past were similar to those that can be demonstrated today. It is also known as the principle of uniformity and is often summarized concisely in the phrase “the present is the key to the past” (see Read, 1949).
Uniformitarian Definition & Meaning - Merriam-Webster
The meaning of UNIFORMITARIAN is an adherent of the doctrine of uniformitarianism.