Pumice is ground up to form an abrasive.
Obsidian was used by indians to make arrow heads.
Two common uses of igneous rocks are; 1. Ornaments and Gemstones eg Diamond. 2. Tools and building materials such as Granites.
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Two types: Extrusive igneous rock and Intrusive igneous rock.
Two of the most common fates of igneous rocks are to become sediment (and later sedimentary rocks) or to become metamorphic rocks.
intrusive
Intrusive and Extrusive
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Two types: Extrusive igneous rock and Intrusive igneous rock.
Two of the most common fates of igneous rocks are to become sediment (and later sedimentary rocks) or to become metamorphic rocks.
Basalt
It is an example of extrusive igneous rock.
Granite and basalt are the most common types of igneous rock. Igneous rock types, or classifications, also include those that are intrusive and extrusive. Intrusive igneous rock is formed from the solidification of slow cooling magma below the surface. Extrusive igneous rock is formed for the solidification of rapidly cooling lava at or near the surface.
TWO rock get mixed togather
Igneous rock is a category of rocks a parent rock can be igneous metamorphic or sedimentary
intrusive
The two types of igneous rock are are intrusive and extrusive, depending on where they form. Intrusive igneous rock forms underground from slow cooling magma. Extrusive igneous rock forms at or near the surface from quick cooling lava.
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.
Igneous rock and Meta-igneous rock.