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Historical geology. Historical geology or palaeogeology is a discipline that uses the principles and methods of geology to reconstruct the geological history of Earth. [ 1] Historical geology examines the vastness of geologic time, measured in billions of years, and investigates changes in the Earth, gradual and sudden, over this deep time.
The geological history of the Earth follows the major geological events in Earth's past based on the geological time scale, a system of chronological measurement based on the study of the planet's rock layers ( stratigraphy ). Earth formed about 4.54 billion years ago by accretion from the solar nebula, a disk-shaped mass of dust and gas left ...
There followed a period of 20 years during which the theory of continental drift developed from being believed by a few to being the cornerstone of modern geology. Beginning in 1947 research provided new evidence about the ocean floor, and in 1960 Bruce C. Heezen published the concept of mid-ocean ridges.
Relative dating is the science of determining the relative order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age (i.e., estimated age). In geology, rock or superficial deposits, fossils and lithologies can be used to correlate one stratigraphic column with another.
The Geographical Journal. 14 (5): 481–504. doi: 10.2307/1774538. JSTOR 1774538. In his 1899 publication William Morris Davis outlines in detail the cycle of erosion model laying the foundations for the study of peneplains, relief development and denudation chronology. Łozinski, W. (1912).
Carl Owen Dunbar (January 1, 1891 – April 7, 1979) was an American paleontologist who specialized in invertebrate fossils. He was a Professor of Geology at Yale University from 1920 until 1959. He was also Director of the Peabody Museum of Natural History at Yale University from 1942 until 1959. As editor of a textbook series on historical ...
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