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YouTube

Igneous Rocks Lecture

Sven Holbik via YouTube

Overview

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This introductory lecture explains how magma forms igneous rocks and how cooling history, texture, and mineral composition distinguish and classify them. It also covers major igneous rock types and intrusive structures.

Syllabus

Intro
The Rock Cycle
Magma: Parent Material of Igneous Rock
Extrusive Versus Intrusive Igneous Rocks
Igneous Textures: What Can They Tell Us?
Fine-Grained (aphanitic) Igneous Texture
Coarse-Grained (Phaneritic) Texture
Porphyritic Igneous Texture
Glassy Igneous Texture
Vesicular Igneous Texture
Pyroclastic Igneous Texture
Classification of Igneous Rock
Naming Igneous Rocks
Granite Formation
Origin of Magma
Intrusive Igneous Activity

Taught by

Sven Holbik

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