Rock Identification with Willsey: Volcanic Rocks (andesite, dacite, rhyolite)
31:36
Rock Identification with Willsey: Volcanic Rocks (Tuff, Obsidian, Pumice)
20:17
Roches volcaniques du monde - Rhyolite - Andesite - Basalt
28:20
Rock Identification with Willsey: Intro to Igneous Rocks!
22:34
Rock Identification with Willsey: Intro to rock types and useful ID tips
24:25
Rock Identification with Willsey: BASALT and its many varieties
28:05
PIERRE PRÉCIEUSE OPALE DE LIGHTNING RIDGE AUSTRALIE blackopaldirect.com
18:14
Rock Identification with Willsey: Intrusive Igneous Rocks (granite, granodiorite, diorite, gabbro)
42:44