Observing and Naming

Short Videos for Study of Igneous Rocks

guided observations of features
focus on identification by name

If you find these videos useful, or if you have comments or feedback, contact Scott Brande mailto:soskarb@gmail.com

Introduction to Naming Common Igneous Rocks

Coarse-grained Igneous Rock

Fine-grained Igneous Rocks

Granite and Gabbro

Gabbro and Basalt

Granite and Rhyolite

Scoria and Basalt

Dunite and Peridotite

Porphyritic Texture

Breccia and Tuff

Obsidian

Pumice and Scoria

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