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There are many kinds of volcanic rock.

http://en.wikipedia.org/wiki/Volcanic_rock

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16y ago

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Why would you find a volcanic rock on a volcanic island?

Volcanic islands are formed by volcanoes and are therefore composed of volcanic rock.


Does pumice come from volcanoes?

Yes. Pumice is a volcanic rock.


Why is granite found in Singapore when there are no volcanoes?

Granite is an igneous rock. It is not considered a volcanic rock, but a plutonic rock.


What are rocks produced from lava and ash in volcanoes called?

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Are all islands made from volcaneos?

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What is the source of rocks?

Rocks are made from dirt and minerals hardening after time from heat and pressure. Sedimentary rock is made from sand and sea animals. Volcanic rock is made from the lava from volcanoes. Metamorphic rock is sedimentary and volcanic rock that has been changed due to heat and pressure after the original rock was created.


How were the Hawaiian Islands built?

by undersea volcanoes by dried up volcanic rock


Are volcanoes the same as volcanic rock?

No, volcanoes are mountains or openings in the Earth's crust through which molten rock, ash, and gases are ejected during eruptions. Volcanic rock, on the other hand, is solidified magma that has cooled and hardened after being ejected from a volcano.


Is AAA a form of volcanic rock?

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Have any volcanoes ever existed in virginia?

Virgina did have volcanoes in the ancient times. Scientists have found traces of volcanic rock in the ground.


Is there volcanoes in Pennsylvania?

No, Pennsylvania does not have active volcanoes. The state is not located on a tectonic plate boundary, which is typically where volcanic activity occurs. However, there are some ancient volcanic rock formations in Pennsylvania, but they are not associated with any current volcanic activity.