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Volcanic rock, especially basalt, contains some iron. When the rock is still molten the particles of iron are free to move, but are influenced by Earth's magnetic field. When the lava hardens into rock these iron particles are locked in place, essentially recording the orientation of Earth's magnetic field.
What else can I help you with?
Volcanic rock a compound or nonmetallic?
Niether. Volcanic rock is a mixture.
What is a slab of volcanic rock called?
A slab of volcanic rock is called a "lava flow" or a "lava rock".
What is released from a volcanic island?
Magma, (Volcanic Rock)
Is rhyolite a rock or mineral?
It is a volcanic rock.
Is diorite plutonic or volcanic?
volcanic because it is an intrusive rock
Can you make fire with volcanic rock?
No. Volcanic rock is not flammable.
Why would you find a volcanic rock on a volcanic island?
Volcanic islands are formed by volcanoes and are therefore composed of volcanic rock.
Volcanic rock a compound or nonmetallic?
Niether. Volcanic rock is a mixture.
What is a rock that starts with a k?
Kimberlite is a volcanic rock. Kenyte is a volcanic rock found on Mount Kenya.
Is pumice a volcanic rock?
Yes, pumice is a volcanic rock that is formed from the solidification of frothy volcanic lava. It is known for its porous and lightweight nature, making it float on water.
Is volcanic rock obsidian?
No. Obsidian is just one of many types of volcanic rock.
What rock group would a volcanic rock be associated with?
Volcanic rocks are considered igneous.
Teotihuacan is famous for artifacts made from?
Volcanic rock.
Is a volcanic eruption part of a rock cycle?
is a volcanic eruption part of the rock cycle
What Rock Volcanic activity creates what?
Volcanic activity produces extrusive igneous rock.
Is volcanic eruption part of the rock cycle?
is a volcanic eruption part of the rock cycle
How does volcanic rock form?
Volcanic rock forms by lava that has come from a volcano, cools and solidifies to form the rock.
