catastrophism
rift
a volcano is formed when the plates hit each other.
the large plutonic rocks formed by the hardening of magma into the earths crust is called the ignius rocks
They formed as heavier and lighter rocks separated
The earth's atmosphere is very old. It was formed when earth was formed.
rift
Such mountains are called volcanoes.
Mountains formed by magma that reaches the Earth's surface are called volcanoes.
a boat
how do geologists think earths atmosphere is formed
a volcano is formed when the plates hit each other.
the large plutonic rocks formed by the hardening of magma into the earths crust is called the ignius rocks
Extrusive igneous rocks.
Diamonds are usually formed in the mantle.
The Appalachians were formed by layers of sedimentary rock uplifting and folding. Basically North America collided with Europe and Northern Africa.
The Extrusive igneous rock is formed on the earths surface while the Intrusive igneous rock is formed within or inside the earths crust.
intrusive rocks are formed within the earths surface from magma. extrusive rocks are formed from lava outside of earths surface