The most common division of the earth's landforms is seven (7) continents ... Africa, North America, South America, Antarctica, Asia, Australia, and Europe. There are actually many continental plates. There are 7 primary plates (African Plate, North American Plate, South American Plate, Antarctic Plate, Eurasian Plate, indo-Australian Plate, and the Pacific Plate). In Addition there are 8 secondary plates (Arabian Plate, Caribbean Plate, Cocos Plate, Indian Plate, Juan de Fuca Plate, Nazca Plate, Philippine Plate and the Scotia Plate. These plate are commonly shown on continental plate maps. There are also a large number of tertiary plates.
Granitic crust, a.k.a continental crust, began to form, which happened to be less dense than oceanic crust. Therefore, the continental crust went on top of the oceanic, thus creating the first land mass on Earth.
Alfred Wegener did not have access to evidence such as the mechanism of plate tectonics, detailed mapping of mid-ocean ridges, and advanced technology like GPS and satellite imagery that provide support for the movement of continents. Additionally, he lacked a comprehensive understanding of the Earth's deep interior structure and the driving forces behind continental drift.
Geographers refer to the movement of the continents over millions of years, as the plate tectonics. It basically explains the current structure of the Earth's crust, as well as other geologic phenomena.
Everything in the earth is solid. But earth is not spherical. The earth has large holes that makes up the oceans.
50% of Canada was created during this era. This part is called Canadian Shield.
The continental lithosphere.
Oceanic plates are heavier than continental plates because they are denser and thinner. Continental plates are lighter because they are less dense and thicker. The difference in density and composition accounts for the varying weights of the Earth's plates.
Continental drift is the theory that "plates" on the Earth are constantly in motion and have been for millions of years. Tectonic plates are the actual moving plates.
Continental drift is the theory that "plates" on the Earth are constantly in motion and have been for millions of years. Tectonic plates are the actual moving plates.
Continental drift is the theory that "plates" on the Earth are constantly in motion and have been for millions of years. Tectonic plates are the actual moving plates.
No, the Earth's magnetic poles are not responsible for continental drift. Continental drift is primarily driven by the movement of tectonic plates in the Earth's lithosphere. The Earth's magnetic field does play a role in plate tectonics through magnetic stripes on the ocean floor, but it is not the primary cause of continental drift.
at the mid ocean ridge
The two main types of plates that make up the Earth's lithosphere are oceanic plates, which are denser and thinner, and continental plates, which are less dense and thicker. These plates interact with each other at their boundaries, causing movements such as subduction, spreading, and collisions that shape the Earth's surface.
Earth's crust is divided into a series of large and small plates, known as tectonic plates. There are about 7 major plates (e.g., the Pacific Plate, North American Plate) and several minor plates that make up the Earth's crust.
continental shelves
the magma
friction of the gravity