Definition Science Plate Tectonic

Scientist Alfred Wegener proposed in 1912 that Earths continents had drifted across the globe over time. To sum up the earths crust is broken up into pieces called tectonic plates which are giant pieces of rock that float on top of a constantly moving semi-liquid layer called the mantle.

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Tectonics scientific study of the deformation of the rocks that make up the Earths crust and the forces that produce such deformation.

Definition science plate tectonic. The dozen or so plates that make up the surface of the Earth. The theory of plate tectonics was developed in the 1950s and 1970s as a modern update to continental drift. The outermost layer of the earth is called the crust and it is broken into large pieces called tectonic plates.

These huge pieces of Earths surface slowly move at about the speed that your fingernails grow. Sima is made up primarily of silicon and magnesium which is where it gets its name. In the theory of plate tectonics one of the sections of the earths lithosphere constantly moving in relation to the other sections.

Their motion is studied in the field of plate tectonics. American Heritage Dictionary of the English Language Fifth Edition. Thus plate tectonics is a scientific theory that deals with the large-scale motion of the plates that makes up the Earths lithosphere.

Definition of plate tectonics 1. A branch of geology concerned with the structure of the crust of a planet such as the earth or moon and especially with the formation of folds and faults in it. Plate tectonics from the Late Latin.

The theory which solidified in the 1960s transformed the earth sciences by explaining many phenomena including mountain building events volcanoes and. A theory in geology. Plate tectonics explains the present and past features and movement of Earths surface from the deepest ocean trench to the tallest mountain.

Plate tectonics is the theory that Earths outer shell is divided into large slabs of solid rock called plates that glide over Earths mantle the rocky inner layer above Earths core. And sudden horizontal displacements along faults. Plate tectonics definition a theory of global tectonics in which the lithosphere is divided into a number of crustal plates each of which moves on the plastic asthenosphere more or less independently to collide with slide under or move past adjacent plates.

Plate tectonics - the branch of geology studying the folding and faulting of the earths crust plate tectonic theory tectonics geomorphology morphology - the branch of geology that studies the characteristics and configuration and evolution of rocks and land forms. The model builds on the concept of continental drift an idea developed during the first. WHAT ARE TECTONIC PLATES.

Tectonicus from the Ancient Greek. Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earths subterranean movements. The large-scale gradual upward and downward movements of the crust epeirogenic movements.

A quick overview of plate tectonics including a look at the different types of plate boundaries. There are two main types of tectonic plates. Plate tectonics theory dealing with the dynamics of Earth s outer shellthe lithosphere that revolutionized Earth sciences by providing a uniform context for understanding mountain-building processes volcanoes and earthquakes as well as the evolution of Earths surface and reconstructing its past continents and oceans.

Convergent divergent and transform. The theory of plate tectonics states that the Earths solid outer crust the lithosphere is divided into plates that move over the semi-liquid upper portion of the mantle the asthenosphere. Pertaining to building is a scientific theory describing the large-scale motion of the plates making up Earths lithosphere since tectonic processes began on Earth between 33 and 35 billion years ago.

Tectonic plates are around 62 miles thick. This far reaching theory has become the basis for viewing most geologic processes mountain building paleontology volcanism earthquakes etc. Oceanic - Oceanic plates consist of an oceanic crust called sima.

Plate Tectonics The concepts of continental drift and seafloor spreading are united into a more encompassing theory known as plate tectonics. Their movement form mountains causes earthquakes and they even rearrange the position of continents. The lithosphere of the earth is divided into a small number of plates which float on and travel independently over the mantle and much of the earths seismic activity occurs at the boundaries of these plates.

It deals with the folding and faulting associated with mountain building.

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