In the theory of plate tectonics, the outer shell of the Earth, known as the lithosphere, consists of several rigid plates, which move relative to each other over the weaker, flowing asthenosphere. The bottom of the lithosphere, the lithosphere-asthenosphere boundary (LAB), is fundamental to ...
A. Plate tectonics is a relatively new theory proposed in the 20th century and has no historical predecessors B. Alfred Wegener's theory of continental drift was an important precursor to plate tectonics C. Plate tectonics only focuses on the movement of oceanic plates ...
What is a tectonic plate boundary? Tectonic Plate: Tectonic plates are the different pieces of the Earth's surface. Some are associated with the large landmasses of the planet while others are beneath the ocean. These plates float on top of the melted rock found in the mantle layer of the...
Charlton, 1986 T.R. Charlton, A plate tectonic model of the Eastern Indonesia collision zone. Nature, 319 (1986), pp. 394-396CHARLTON, T. R. 1986. A plate tectonic model of the eastern Indonesia collision zone. Nature, 319, 394 - 396....
small ones as "microplates," although that term has loose definitions. The Juan de Fuca plate, for example, is very small (ranked 22nd in size) and could be considered a microplate. Its role in the discovery of seafloor spreading, however, leads to its inclusion on almost every tectonic ...
That feature was then torn apart by millions of years of tectonic activity. The work, led by associate professor Sean Regan at the University of Alaska Fairbanks Geophysical Institute and UAF College of Natural Science and Mathematics, is featured on the cover of the December edition of Geology,...
The plate tectonic framework also allows for interpretation of park features in ancient settings, such as rock layers in Grand Canyon National Park deposited along a passive continental margin, and granite in the Sierra Nevada that formed during subduction.LILLIE, Robert J...
Geological evolution of the Caribbean region; A plate-tectonic perspective J Pindell,S Barrett 被引量: 0发表: 1991年 Differential destruction of the North China Craton: A tectonic perspective The North China Craton (NCC) provides one of the classic examples of craton destruction, although the ...
Plate-tectonic regulation of faunal diversity and sea level: a model. J W,Valentine,E M,... - 《Nature》 被引量: 255发表: 1970年 Early Tertiary marine fossils from northern Alaska: Implications for Arctic Ocean paleogeography and faunal evolution Marine mollusks and ostracodes indicate a post-...
The North China craton (NCC) was dominated by tectonic extension from late Cretaceous to Cenozoic, yet seismic studies on the relationship between crust extension and lithospheric mantle deformation are scarce. Here we present a three dimensional radially anisotropic model of NCC derived from adjoint ...