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en.wikipedia.org/wiki/Plate_tectonics

Plate tectonics is a scientific theory describing the large-scale motion of seven large plates and ... Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent ...

en.wikipedia.org/wiki/List_of_tectonic_plates

This is a list of tectonic plates on the Earth's surface. Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. The plates are around 100 km (62 mi) thick and consist of two principal types ...

seismo.berkeley.edu/~barbara/REPRINTS/romanowicz_science09.pdf

Apr 29, 2009 ... hence the thickness of the lithosphere and tectonic plates, although challenges still remain in picking out this boundary versus other structures ...

science.sciencemag.org/content/324/5926/474

Summary. A fundamental premise of plate tectonics on Earth is that rigid lithospheric plates, formed at mid-ocean ridges, float above a more deformable ...

discovermagazine.com/2010/jan-feb/054

Dec 30, 2009 ... By analyzing how waves change speed and direction, researchers were able to locate the boundary between rigid tectonic plates and the hot, ...

pubs.usgs.gov/gip/dynamic/tectonic.html

May 5, 1999 ... A tectonic plate (also called lithospheric plate) is a massive, ... Plate thickness also varies greatly, ranging from less than 15 km for young ...

cosmosmagazine.com/geoscience/geologists-solve-mystery-what-tectonic-plates-float

Feb 16, 2015 ... They found a 10 kilometre thick channel of lubricating jelly-like rock, which they say allows the plate to slide above it, according to a report in ...

www.answers.com/Q/How_thick_are_tectonic_plates

The plates are 15-200 Kilometres (10-120 miles) thick. The thickness of the plate depends primarily on its age.

eqseis.geosc.psu.edu/~cammon/HTML/Classes/IntroQuakes/Notes/plate_tect01.html

The precise thickness of a plate varies from place to place, but away from plate margins, plates are ... Continental Drift, Sea-Floor Spreading, and Plate Tectonics .

www.crystalinks.com/platetectonics.html

The lithosphere is broken up into what are called tectonic plates, in the case of .... The continents are composed of a thick, buoyant crust that's about 21 miles (35 ...