Question: What Are The 12 Major Plate Tectonics?

How heavy is a tectonic plate?

The thickness of tectonic plates in general varies roughly in the range 100-200 km depending upon whether we are talking about oceanic or continental lithosphere; let’s call it 150 km or 1.5× 105 m.

The density of lithospheric material varies in the range 2700-2900 kg m-3; we’ll use 2800 kg m-3..

How many major and minor tectonic plates are there?

When we talk about tectonic or lithospheric plates, we mean the sections into which the lithosphere is cracked. The surface of the Earth is divided into 7 major and 8 minor plates. The largest plates are the Antarctic, Eurasian, and North American plates.

What are the 3 plate tectonics?

The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other.

What are the 8 major tectonic plates?

There are nine major plates, according to World Atlas. These plates are named after the landforms found on them. The nine major plates are North American, Pacific, Eurasian, African, Indo-Australian, Australian, Indian, South American and Antarctic.

What is the biggest tectonic plate?

PacificA tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.

What are the 13 major plates of the world?

MicroplatesAfrican Plate. Lwandle Plate – A mainly oceanic tectonic microplate off the southeast coast of Africa. … Antarctic Plate. Kerguelen Plateau – Oceanic plateau in the southern Indian Ocean. … Australian Plate. … Caribbean Plate. … Cocos Plate. … Eurasian Plate. … Nazca Plate. … North American Plate.More items…

How many tectonic plates are there on Earth?

The Earth is made up of roughly a dozen major plates and several minor plates. The Earth is in a constant state of change. Earth’s crust, called the lithosphere, consists of 15 to 20 moving tectonic plates.

What is the 7 major tectonic plates?

There are major, minor and micro tectonic plates. There are seven major plates: African, Antarctic, Eurasian, Indo-Australian, North American, Pacific and South American.

What are the smallest plates?

By far, the smallest plate in this list is the North Galapagos microplate.

What tectonic plate do we live on?

North American PlateThe North American Plate is a tectonic plate covering most of North America, Greenland, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores.

What are the two largest tectonic plates on Earth?

A List of Major and Minor Plates By SizeRankTectonic PlateType1Pacific PlateMajor2North American PlateMajor3Eurasian PlateMajor4African PlateMajor13 more rows•Aug 12, 2020

What is the smallest tectonic plate on Earth?

Juan de Fuca PlateOne of the smallest of Earth’s tectonic plates, the Juan de Fuca Plate is a remnant part of the once-vast Farallon Plate, which is now largely subducted underneath the North American Plate.