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What are igneous rocks usul for?
They are very hard so they could used for road building materials.
Where can igneous rocks find?
Igneous rocks are rocks formed by magma. so the best place to find igneous rocks would be by volcanoes or where a volcano once erupted.
Why sedimentary rocks are found as a veneer covering large areas of continental igneous rock?
Sedimentary rocks are the result of broken down igneous rocks so they cover up most of igneous rocks.
What are the chemical formula of the igneous rock?
Rocks are mixtures and so do not have chemical formulas. Igneous rocks vary in composition, so there is no way of giving a formula.
Why are Igneous Rocks used in tools?
Igneous rocks are used in tools because they are typically hard, durable, and resistant to wear and abrasion. This makes them suitable for applications where strength and durability are important, such as in construction tools, road surfaces, and countertops. Additionally, some igneous rocks have unique properties, such as the ability to retain heat or conduct electricity, making them useful in specific tool applications.
Does Chicago have igneous rocks?
Yes, Chicago does have igneous rocks. The city sits atop a geological formation known as the Kankakee Arch, which comprises Precambrian igneous and metamorphic rocks. These rocks were formed through volcanic activity millions of years ago.
Is igneous rocks the most common rocks?
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Which is older igneous or sedimentary?
Igneous rocks are typically older than sedimentary rocks. Igneous rocks form from the cooling and solidification of molten material (magma or lava), which usually happens before the formation of sedimentary rocks through processes like erosion, deposition, and compaction.
Light colored igneous rocks are less what than dark igneous rocks?
Dense. Light colored igneous rocks have lower density compared to dark colored igneous rocks due to their higher silica content, which results in slower cooling and the formation of larger crystals.
Which is not a common extrusive igneous rock?
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
What igneous rocks are formed from from hardened lava?
Igneous rocks formed from hardened lava include basalt, andesite, and rhyolite. Basalt is a fine-grained, dark-colored rock commonly found in oceanic crust, while andesite and rhyolite are intermediate to felsic in composition and typically found in volcanic arcs or continental volcanic regions.
Every single igneous rock is also a volcanic rock?
No. Volcanic rock is extrusive igneous rock, which cools at or above earth's surface. However, igneous rocks can form from magama that cools inside the earth as well. This is called intrusive igneous rock, sometimes called plutonic rock.
