Joke Collection Website - Mood Talk - Please talk about the evidence of plate tectonics
Please talk about the evidence of plate tectonics
It should be understood that plate tectonic theory includes the concepts of continental drift, submarine spreading, transform fault and continental collision, which provides a fruitful framework for explaining global geological processes.
Plate tectonics theory is one of modern earth science theories. In the mid-1960s, based on the analysis of a large number of data such as marine geology, reservoir physics and seabed topography, the geotectonic theory was established. Originated from the concept of "plate" of Canadian geophysicist J.T. Wilson (1908-). In 1965, he pointed out that the mid-ocean ridge, transform fault and island arc-trench system are three types of tectonic active zones, which are connected end to end and continuous, and they are transformed from one active zone to another, forming crustal movement; The crust is divided into large and small "plates" by these active zones.
19 12 years, German A.L. Wei Gena first put forward the theory of continental drift. During the period from 1960 to 1962, American H. H. Hess and R. S. Dietz founded the theory of submarine expansion on the basis of continental drift and mantle convection, and then F.J. Vain and British D.H. Matthews further demonstrated the theory of submarine expansion through the study of submarine magnetic anomalies.
1965, Canadian J.T. Wilson established the concept of transform fault, and pointed out for the first time that the endless network of active zones divided the earth's surface into several rigid plates.
During the period from 1967 to 1968, American Morgan, Mackenzie, Parker and Frenchman Lepicion extended transform fault's concept to spherical surface, discussed plate movement quantitatively and established the basic principle of plate tectonics.
1968, Americans B.L. isaacs, J. Oliver and L.R. Sikes further expounded the relationship between earthquakes and plate activities, and called this emerging theory "new global tectonics". The commonly used term "plate tectonics" was proposed by Mackenzie and Morgan in 1969. Since 1970s, plate theory has gradually penetrated into many fields of earth science.
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