it is called an extrusive rock
extrusive
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
Extrusive-formed on surfaceIntrusive-formed underground
Extrusive igneous rock
Extrusive igneous rock is formed from cooling lava.
Granite gneiss is a metamorphic rock and would not be considered extrusive (rock formed from molten material at or near the surface).
Extrusive igneous rocks.
Extrusive igneous rock is one of two different types of igneous rocks. The other kind is intrusive igneous rock. Intrusive igneous rock is formed when magma in Earth's lithosphere cools and hardens. Extrusive igneous rock is formed when lava on Earth's surface cools and hardens.
the 2 ways are intrusive rock and extrusive rock