Rock ID With Willsey, Ep #4: Volcanic Rocks (andesite, dacite, rhyolite)

Curious about some rocks you found? Confused about tuff, sandstone, basalt, or diorite? This engaging video series by geology professor Shawn Willsey helps you learn to identify common rocks. We cover each major group of rocks, showcase basic types, and interpret the fascinating stories of rocks in this immersive series. Here in Episode #4, learn to describe and identify these common volcanic rocks: andesite, dacite, and rhyolite with geology professor Shawn Willsey. Support these educational videos! Your generous support allows me to create more videos. Send support via: PayPal: https://www.paypal.com/donate/?hosted... Buy Me: https://buymeacoffee.com/shawnwillsey Venmo: @shawn-willsey Click on the three dots above and then the "Thanks" button. Credit/Debit Card donations on my website: https://www.willseygeology.com/ Or a good ol' fashioned check to: Shawn Willsey 148 Blue Lakes Blvd N #141 Twin Falls, ID 83301 Willsey website: https://www.willseygeology.com/ Willsey merch store: https://geologyexplained-shop.fourthw... Willsey on Instagram: @geology_explained Willsey on TikTok: @shawnwillseygeology Link to PDF of document: https://drive.google.com/drive/folder... 00:00 intro 00:30 overview 06:30 andesite 08:20 samples 10:42 dacite 11:46 samples 14:08 rhyolite 15:25 samples