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How do you identify a extrusive rock?

Anonymous

∙ 13y ago

Updated: 6/29/2024

Extrusive rocks are typically fine-grained due to rapid cooling at or near the Earth's surface. They often have visible gas bubbles, known as vesicles, and may display a glassy texture such as obsidian. Some common types of extrusive rocks are basalt, andesite, and rhyolite.

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∙ 1y ago

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Identify four extrusive igneous rock structure?

Extrusive igneous rock structures: Lava flow or plateau, Volcano (many types), Crater, Caldera, Fissure.

Is Obsidian an extrusive rock or intrusive rock?

Yes it is extrusive love yall

What material does extrusive rock form?

Extrusive rock forms from cooling lava.

What is the most extrusive igneous rock?

Basalt is the most common extrusive igneous rock.

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.

Related Questions

Identify four extrusive igneous rock structure?

Extrusive igneous rock structures: Lava flow or plateau, Volcano (many types), Crater, Caldera, Fissure.

Is Obsidian an extrusive rock or intrusive rock?

Yes it is extrusive love yall

Is pumice an extrusive rock?

Extrusive

Are basalt extrusive or intrusive?

Basaltic rock are true to be extrusive rock

What material does extrusive rock form?

Extrusive rock forms from cooling lava.

What is the most extrusive igneous rock?

Basalt is the most common extrusive igneous rock.

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.

Is schist an intrusive or extrusive rock?

Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.

Which crystal can help identify as igneous rock as intrusive or extrusive?

What is the effect of location on crystal size? Label the location of intrusive and extrusive igneous rocks on the diagram below. Then, illustrate the crystal size of the rock formed at that location in the appropriate callout circles.

Is basalt an intrusive rock or extrusive rock?

Extrusive. Solidifies above ground level.

Is a metamorphic rock intrusive or extrusive?

It is neither. Intrusive and extrusive are terms used to describe igneous rock.

Is extrusive a rock?

Igneous rocks can be categorized as either extrusive or intrusive.

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