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Volcanic rocks are extrusive igneous rocks.

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10y ago

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Is volcanic rock obsidian?

No. Obsidian is just one of many types of volcanic rock.


Which rock category includes types of volcanic rock?

Igneous rock.


What are the 2 types of igneouse rock?

plutonic and volcanic


What types of volcanic rock fragments or lava come out of the Colima volcano?

Igneous Rock


What are minerals found in the galapagos?

Igneuse rock types because of its volcanic origin


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 the hardness of a volcanic rock?

Volcanic rocks can vary in hardness depending on their mineral composition. On the Mohs scale of mineral hardness, most volcanic rocks fall between 5 to 7, with basalt being around 6 and rhyolite around 7.


Can stratification occur in a volcanic rock?

Yes, stratification can occur in volcanic rocks. Volcanic rocks can display layering, or stratification, as a result of different types of volcanic events or processes that occurred during their formation, such as changes in magma composition or environmental conditions. These layers can provide valuable information about the history of the volcanic activity that produced the rock.


What is a rock that starts with a k?

Kimberlite is a volcanic rock. Kenyte is a volcanic rock found on Mount Kenya.


What type of rock is porous volcanic rock?

Porous volcanic rock is commonly classified as either pumice or scoria. Pumice is often lighter in color and has a very porous texture due to the presence of numerous gas bubbles, while scoria is darker and similarly porous but is typically more dense than pumice. Both are formed from volcanic eruptions and can float on water.