Rock Identification with Willsey: Intro to Igneous Rocks!
9:54
GEODES! What they are, how they form, and more with geology professor, Shawn Willsey
24:25
Rock Identification with Willsey: BASALT and its many varieties
43:39
33. How to Identify Rocks
18:31
Rock Identification with Willsey: Intro to Metamorphic Rocks!
14:48
Rock Identification
20:17
Identifying Igneous Rocks -- Earth Rocks!
18:14
Rock Identification with Willsey: Intrusive Igneous Rocks (granite, granodiorite, diorite, gabbro)
22:34