Magma Viscosity

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=KgwfH3wkfA4

For an introductory college-level earth sciences class: a review of the impacts of magma viscosity on how crystals form underground and how, above ground, lavas erupt, flow, and hold onto their gasses. Includes a discussion how obsidian forms above ground as well as pegmatites below ground. • **This video comes near the middle of the semester, so there may be terms with which the audience is unfamiliar. For a full playlist, refer to the Geology playlist on the Earth Rocks! YouTube Channel. • Content within this video is based on information available in any standard introductory college geology textbook, such as Essentials of Geology -- Tarbuck and Lutgens -- Pearson Publishing. • Part of a series of videos for Igneous Rocks: • 1. Igneous Rocks • 2. Plutons • 3. Magma Viscosity • If you are an earth science enthusiast and would like to support our ongoing video development and engage with us behind the scenes... • Or if you are a student and would like access to interactive lessons built around these videos... • you can do so by JOINING the Earth Rocks! YouTube Channel: • / @earthrocks . • Thank you!

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