The initial theory of continental drift was put forward by a German meteorologist Alfred Wegener in 1915. This theory did not seem credible until it was connected with the plate tectonic theory in the mid 1960’s. The Tectonic plate theory had an advantage over previous predictions as it could be supported by observed occurrences. One such thing that supports these two theories is that seen from space the continents look as if they might once have been joined together. This possible idea was then
Premium Plate tectonics
The Structure of the Earth and Plate Tectonics Structure of the Earth Mantle • The Earth is made up of 3 main layers: Outer core Inner core – Core – Mantle – Crust Crust The Crust • This is where we live! • The Earth’s crust is made of: Continental Crust Oceanic Crust - thick (10-70km) - buoyant (less dense than oceanic crust) - mostly old - thin (~7 km) - dense (sinks under continental crust) - young How do we know what the Earth is made of? • Geophysical surveys: seismic‚ gravity‚
Premium Plate tectonics
June 2011 plate tectonics and associated hazards Comment on the extent to which the features shown in the image support the theory of plate tectonics. To begin with we can see that many of the landmasses appear as separated jigsaw pieces with their complementary shaped coastlines. One example of this is how the North Western coastline of Africa could quite easily ‘slot into’ the North Eastern Coastline of America. This suggests that in the history of the Earth‚ these two land masses were once connected
Free Plate tectonics
spreading explain the movement of tectonic plates?! - Sea floor spreading in movement of tectonic plates is called divergent‚ the separation of two plate. This can be proved because magma comes out from the fault of ridge which means plate has open and it’s realising the magma. Other reason‚ if diverging is happening at one point‚ that means converging is happening at other end of plate‚ for example Himalayan mountain range at India and Nepal (converging) and other side of plate that contains India is having
Premium Plate tectonics
The theory of plate tectonics states that the Earth’s lithosphere is broken up into many different pieces separated by jagged cracks. These are called the tectonic plates. They are in slow‚ constant motion pushed by the convection currents in Earth’s asthenosphere. This theory explains the process of sea floor spreading at mid-ocean ridges‚ and subduction at deep ocean trenches. It was proposed by J. Tuzo Wilson in 1965. He combined the discoveries of Harry Hess and Alfred Wegner to support this
Premium Plate tectonics
Plate Tectonics Paper Michelle Tillman GLG/220 1/12/15 Jessica Terrien Dunn First and most important hazard is the ground actually shaking. This causes building to be damaged or the ground/foundation to settle different than it was. If the soil is liquefied then the building can actually sink into the ground. This can make the buildings also tip and lean. Los Angeles was built on a myriad of transform faults that include Santa Monica fault‚ the San Fernando fault‚ and Northridge/Santa Barbara fault
Premium Plate tectonics Earthquake San Andreas Fault
RAPPEL A L’ORDRE: THE CASE FOR THE TECTONIC Kenneth Frampton Kenneth Frampton’s ‘Rappel a L’Ordre: The Case for the Tectonic’ identifies the issues in relation to the tectonic form‚ his intention is to make architecture step apart of just being part of a scenographic interpretation. The word tectonic is addressed from its different origins but overall referring to carpentry and its evolution into an aspect of poetry and art of construction. Tectonic objects are seen in two different forms;
Premium Metaphysics Ontology Kenneth Frampton
“Discuss the Extent to which volcanic and seismic activity are evidence for plate tectonic theory” (40) Plate tectonics is the theory that explains the structure and motion of the Earth’s lithosphere. The theory states that the Earth’s crust is split into large sections called tectonic plates‚ and these move relative to one another creating boundaries at which plates converge‚ diverge and move past each other. Alfred Wegener pioneered the theory of continental drift in the early 1900s which he supported
Premium Plate tectonics
taking seriously until the 1960. This study is called plate tectonics‚ and it helps explain the continental drift‚ the spreading of the seafloor‚ why volcanoes erupt and how mountains are formed. The mountain range that runs from the northern tip of Alaska to the southern tip of South America were formed by the buckling of crustal rocks that crash into the edge of North and South America. The land folds under the pressure of the colliding plates and pushes up sedimentary rock up to create mountains
Premium Plate tectonics Andes Volcano
Tectonics Division of Pakistan Defination: Tectonics zones of Pakistan are the Eurasian Plate‚ Arabian Plate and Indian Plate which is part of Indo-Australian Plate. Eurasian Plate: The Eurasian Plate is a tectonic plate which includes most of the continent of Eurasia (a landmass consisting of the traditional continents of Europe and Asia)‚ with the notable exceptions of the Indian subcontinent‚ the Arabian subcontinent‚ and the area east of the Chersky Range in East Siberia. It also
Premium Plate tectonics