How is extrusive igneous rock formed?
Understand the Problem
The question is asking about the process by which extrusive igneous rock is formed. This involves understanding volcanic activity and the solidification of lava on the Earth's surface.
Answer
Extrusive igneous rock is formed when magma exits and cools above or very near the Earth's surface.
The final answer is extrusive igneous rock is formed when magma exits and cools above or very near the Earth's surface.
Answer for screen readers
The final answer is extrusive igneous rock is formed when magma exits and cools above or very near the Earth's surface.
More Information
Extrusive igneous rocks typically solidify from lava that cools quickly, leading to fine-grained textures. Examples include basalt and pumice.
Sources
- Igneous Rocks - National Geographic Society - nationalgeographic.org
- Extrusive Igneous Rock | Definition, Characteristics & Examples - study.com
- Extrusive rock - Wikipedia - en.wikipedia.org
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