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Pumice is ground up to form an abrasive.

Obsidian was used by indians to make arrow heads.

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What are two common igneous rock?

florida gators are awesome vols aint


What are two possible fates for a igneous rock?

Two of the most common fates of igneous rocks are to become sediment (and later sedimentary rocks) or to become metamorphic rocks.


What is the most common extrusive igneous rock?

Basalt


What 2 types of rock are most common beneath the earths crust?

The two most common types of rock beneath the Earth's crust are basalt and granite. Basalt is an extrusive igneous rock that forms from the cooling of magma on the Earth's surface, while granite is an intrusive igneous rock that forms from the slow cooling of magma beneath the Earth's surface.


Where do igneous rock c?

TWO rock get mixed togather


A laccolith is an example of a(n) igneous rock (one of the two main igneous rock groups).?

intrusive


What are two processes a rock must undergo before it can become in an igneous rock?

Two processes a rock must undergo before becoming an igneous rock are melting, where the rock is heated to a point where it turns into magma, and cooling, where the magma solidifies to form an igneous rock.


What are two main classifications of igneous rocks?

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.


Which two rocks could be cut into building blocks to make walls of buildings?

Igneous rock and Meta-igneous rock.


What does extrusive rock means?

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.


What are two types igneous rocks?

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.


What are two examples of igneous rock?

Granite and Basalt.