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B/c they are made out of lava

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11y ago

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What to characteristics can be used to divide igneous rocks into groups?

i have no clue!


Is made of sediments an igneous rock characteristics?

No, rocks made of sediments are called sedimentary rocks. Igneous rock comes from volcanic activity -- lava and the like.


How do igneous rocks form into metamorphic and sedimentary rocks?

Igneous rocks can form metamorphic rocks by being subjected to high heat and pressure, causing recrystallization of minerals. Igneous rocks can also weather and erode to form sediment, which can then be deposited, compacted, and cemented to form sedimentary rocks.


When molten rocks cools what rocks form?

igneous rocks


What are igneous rocks that form over the surface?

Rhyolititcen rocks.


What do you call rocks that have been formed from the hot molten material within the earth's crust that has cooled and hardened?

Igneous rocks are formed by the solidification of molten materials.


All of the following are characteristics of Igneous rocks EXCEPT?

All of the following are characteristics of igneous rocks EXCEPT they typically form through the processes of sedimentation and compaction. Instead, igneous rocks are formed from the cooling and solidification of molten rock, either magma beneath the Earth's surface (intrusive) or lava on the surface (extrusive). They are characterized by their crystalline texture and mineral composition.


Are igneous rocks made up of igneous rocks?

Sedimentary rock can be made up partially of igneous clasts, but igneous rock is igneous rock.


What characteristics make igneous rocks useful?

Igneous rocks are useful because they provide information about Earth's history, such as how they were formed and the conditions of their formation. They also contain valuable resources like metals and minerals. Additionally, igneous rocks are used in construction materials and as decorative stones.


Why are igneous are called primary rocks?

Igneous rocks


Are volcanic rocks igneous rocks?

Yes. Volcanic rocks are extrusive igneous rocks.


Are igneous rocks always thin and brittle?

Igneous rocks are not always thin and brittle. They can vary widely in thickness and texture, depending on their formation process. Intrusive igneous rocks, like granite, are often coarse-grained and can be quite thick, while extrusive rocks, such as basalt, can be thin and more fragile but also vary in strength. The characteristics of igneous rocks are influenced by factors such as cooling rate and mineral composition.