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Which rocks are more likely to have a coarse grained extrusive or intrusive?
extrusive
How do fine- grained igneous rocks from?
extrusive igneous rocks =/
Which the following is a fine grained light colored extrusive igneous rock?
fine grained extrusive rocks can contain Potassium and Plagioclase Feldspar, Quartz, Biotite, Amphibole, Pyroxene and Olivine. these are all the choices for every igneous rocks
What grain type is found in extrusive igneous rocks?
Extrusive igneous rocks are usually fine grained.
What is the crystal size for extrusive igneous rocks?
Fine grained
How does extrusive differ from intrusive?
Extrusive rocks form from lava cooling on the Earth's surface, leading to rapid cooling and fine-grained texture. Intrusive rocks form from magma cooling beneath the surface, resulting in slower cooling and coarse-grained texture. This difference in cooling rates gives extrusive rocks their characteristic fine-grained appearance and intrusive rocks their coarse-grained appearance.
Are river rocks porous?
No. It is a fine grained extrusive volcanic rock that is light in color. It is usually not porous.
What are types of extrusive igneous rocks?
Extrusive igneous rocks are igneous rocks that form above earth's surface. They are usually fine-grained due to the rate in which they cool.
Why are extrusive igneous rocks not coarse grained?
Extrusive igneous rocks cool quickly at the Earth's surface, which doesn't allow enough time for large mineral crystals to form. This rapid cooling results in fine-grained or glassy textures, making extrusive rocks not coarse grained.
What are the properties of extrusive rock?
Extrusive rocks are formed from magma that cools quickly on the Earth's surface, resulting in small or no crystals. They typically have a fine-grained texture and may contain gas bubbles. Examples of extrusive rocks include basalt and rhyolite.
What are types of extrusive rock?
Extrusive igneous rocks are igneous rocks that form above earth's surface. They are usually fine-grained due to the rate in which they cool.
What rocks are extrusive?
Extrusive igneous rocks are formed by magma. The magma is crystallized after being pushed to the surface of the Earth. They usually are very fine grained. A really common extrusive rock would be Basalt.
