Indo australian plate philipino plate pacific plate juan de fuca plate north american plate cocos plate nazca plate caribbean plate antarctic plate scotia. World map tectonic plates.
How Many Tectonic Plates Are There Worldatlas
Tectonic plates are of two types namely oceanic crust and continental crust that differ in composition.
Tectonic plates world map
. 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 of material. Closely examine the map below which shows the 15 major tectonic plates. As they move only inches every year and depending on the direction of that movement they collide forming deep ocean trenches mountains. The tectonic plates of the world were mapped in the second half of the 20th century.The type of crust that underlies the continents is called continental crust while the type found under the oceans is called oceanic crust. Tectonic plates are gigantic segments or pieces of the earth s crust and uppermost mantle that together constitute the lithosphere. This is a list of tectonic plates on earth s surface. Geological survey map of tectonic plates show 21 of the major plates as well as their movements and boundaries.
Convergent colliding boundaries are shown as a black line with teeth divergent spreading boundaries as solid red lines and transform sliding alongside boundaries as solid black lines. Letter codes are abbreviations for parks on tectonic settings pages and the tectonic settings master list on the plate tectonics our national parks page. A map showing some of the world s major and minor tectonic plates. A generalized map of earth s major tectonic plates.
Superimposed in red are the more than 400 national park system sites. Map prepared by the united states geological survey. Shaded relief map of the u s. Diagram of the internal layering of the earth showing the lithosphere above the asthenosphere not to scale.
The fifteen tectonic plates are. These plates move and interact with one another to produce earthquakes volcanoes mountain ranges ocean trenches and other geologic processes and features. Tectonics js is a principled model. It allows you to create realistic fantasy worlds from your web browser.
Oceanic crust also called sima from silicon and magnesium and continental crust sial from silicon and aluminium. Tectonics js is a 3d plate tectonics simulator written in javascript. The crust of our planet is cracked into seven large and many other smaller slabs of rock called plates averaging about 50 miles thick. It aims to use simple yet scientifically defensible models that may be easily understood by nonexperts and modified by developers.
As you can see some of the plates contain continents and others are mostly under the ocean. Updated january 30 2020 the 2006 u s. Highlighting different tectonic settings. Map of tectonic plates.
