plate tectonics

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plate tectonics

the study of the movement of the large crustal plates that form the surface of the earth on the continental land masses and beneath the seas. see CONTINENTAL DRIFT.
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Professor Steve Sparks FRS explores how the concept of plate tectonics revolutionised our understanding of the Earth in the 1960s and how theories have been verified by direct observations such as by using GPS readings to measure velocities of plates.
1997; Yanez et al, 2001, 2002; Kopp et al, 2004), and the possible role of plate tectonic processes as an explanation for the magmatic features along the JFR.
The plate tectonic evolution of the North American continent has been reconstructed in considerable detail by Ron Blake, whose series of paleogeographic maps is posted on his website at www.
PALEOBIOGEOGRAPHICAL AND PLATE TECTONIC SIGNIFICANCE OF LATE CRETACEOUS OSTRACODES (CRUSTACEANS) FROM CHIAPAS, MEXICO: A PRELIMINARY REPORT.
All this period is developed almost at the margin of the recent continental drifting and plate tectonic model, but under the precept of the association of ophiolites (serpentine, gabbro, diabase, spilite, and related rocks), and interpreted the radiolarites as deep-sea conditions (Steinmann, 1905, 1927).
The second chapter covers the physiographic features of ocean basins and the seafloor, tied to their plate tectonic origins.
Professor Bob Holdsworth, head of Earth sciences at the University of Durham, said: "The location of the earthquake lies along the Apennine backbone of Italy, a region where recently created mountains are now slowly collapsing due to a complex large-scale interaction between plate tectonic forces and gravity.
The Dreki area is part of the Jan Mayen Ridge micro-continent, which was separated from the continental shelf of Greenland and Norway by plate tectonic movements 45-60 million years ago.
Chester, a world-renowned expert, explains all three phenomena using plate tectonic theory, and he also relates how scientists developed this theory over time.
Their topics include trees that bite and their geographical dimensions, biotic element analysis and vicariance biogeography, the evolution of specific and genetic diversity during the ontogeny of island floras, and whether plate tectonic explanations for trans-Pacific disjunctions are plausible.
This is the first continent-scale geologic map of North America published since the plate tectonic revolution," said Tucholke, a senior scientist in the WHOI Geology and Geophysics Department.
Most significantly, the validity of plate tectonic theory has been confirmed by evidence based on most of the subdisciplines of physics, mathematics, and chemistry.