What Are Igneous Rocks?

The video tutorial explores igneous rocks, focusing on granite, an intrusive rock formed deep in the Earth's crust. It explains the formation of intrusive rocks like gabbro and extrusive rocks like basalt and rhyolite. The video also covers vesicular rocks such as scoria and tuff, and discusses obsidian and andesite. It highlights the prevalence of igneous rocks in Earth's crust and their various formations and characteristics.

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