the kinds of geologic activity observed at the two boundaries are quite different. the idea of sea-floor spreading actually preceded the theory of plate tectonics. in its original version, in the early 1960's, it described the creation and destruction of the ocean floor, but it did not speci...
Plate Tectonics and Sea floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphereis divided into a few dozen plates of various sizes and ...
2023年6月英语六级作文背诵文选:Plate Tectonics and Sea-floorSpreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere is divided into a few dozen ...
板块构造和海底扩张(Plate Tectonics and Sea-floor Spreading) 板块结构与海床扩展板块结构理论描述岩石圈的运动。 岩石圈是相对坚硬的地球外层,包括全部地壳和部分地幔。 岩石圈被划分为几十个大小不同形状各异的板块,一般而言这些板块都处于相对运动之中。 一道中海脊是板块之间的边界,在那里新的岩石圈的物质从下部...
plateboundaryareassociatedwithfaultsystems, earthquakesandvolcanism,butthekindsofgeologic activityobservedatthetwoboundariesarequite different.theideaofsea-floorspreadingactuallypreceded thetheoryofplatetectonics.initsoriginalversion,inthe early1960’s,itdescribedthecreationanddestructionofthe oceanfloor,butitdidnot...
板块构造学 Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen ...
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Plate Tectonics Scientist, Tuzo Wilson, combined the knowledge of sea-floor spreading, earths plates, and continental drift into a single theory- The Theory. Convection currents in the mantle result in the movement of lithospheric plates. The motion and interactions of the plates can create patterns...
The idea of sea-floor spreading actually preceded the theory of plate tectonics. In its original version, in the early 1960's, it described the creation and destruction of the ocean floor, but it did not specify rigid lithospheric plates. The hypothesis was substantiated soon afterward by the ...
The idea of sea-floor spreading actually preceded the theory of plate tectonics. In its original version, in the early 1960's, it described the creation and destruction of the ocean. floor, but it did not specify rigid lithosphere plates. The hypothesis was substantiated soon afterward by the...