The main characteristic to look for is mineral crystal size. Extrusive rock will exhibit an aphanitic texture, where individual crystals are not visible without magnification. Intrusive rock will exhibit phaneritic texture, where individual crystals are visible without magnification.
Igneous rock formed from cooling magma below the surface is called intrusive igneous rock.
Igneous rock can be both intrusive and extrusive. Intrusive igneous rocks form from magma that cools beneath the Earth's surface, while extrusive igneous rocks form from lava that cools on the Earth's surface. Examples of intrusive igneous rocks include granite and diorite, while examples of extrusive igneous rocks include basalt and rhyolite.
Intrusive and Extrusive
Neither. The terms intrusive and extrusive apply to igneous rocks; marble is metamorphic.
Yes. It would be intrusive or extrusive depending on whether it cooled slowly--below the surface, or quickly--at or near the surface, from molten rock.
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A 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.
It is neither. Intrusive and extrusive are terms used to describe igneous rock.
Intrusive: An intrusive igneous rock is formed from magma undergroundExtrusive: An extrusive igneous rock is formed from lava outside of the volcano.
extrusive and intrusive
extrusive and intrusive
Igneous rocks can be categorized as either extrusive or intrusive.
Igneous rock formed from cooling magma below the surface is called intrusive igneous rock.
Igneous rock can be both intrusive and extrusive. Intrusive igneous rocks form from magma that cools beneath the Earth's surface, while extrusive igneous rocks form from lava that cools on the Earth's surface. Examples of intrusive igneous rocks include granite and diorite, while examples of extrusive igneous rocks include basalt and rhyolite.
Intrusive/Extrusive?
Intrusive and Extrusive
Igneous rock that forms below the Earth's surface is intrusive.