Pumice
Basalt is the most common extrusive igneous rock.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
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.
YES! It is an extrusive Igneous rock
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
Most igneous rocks are denser than water, so they do not float. However, some types of igneous rocks, such as pumice, can contain trapped air bubbles which make them less dense than water, causing them to float.
Extrusive igneous rock.
Basalt, pumice, and obsidian are all extrusive igneous rocks which can appear as black rock.
Basalt is an extrusive igneous rock.
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.
Extrusive igneous rock is the result of above ground crystallization.