small crystals
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.
Extrusive igneous rock.
This type of igneous rock is called "extrusive igneous rock." It forms when lava cools and solidifies quickly on the Earth's surface, resulting in small mineral grains that are characteristic of rocks like basalt or rhyolite.
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.