Rock Identification With Willsey: Intrusive Igneous Rocks

Rock Identification with Willsey: Intrusive Igneous Rocks (granite, granodiorite, diorite, gabbro)

Rock Identification with Willsey: Intro to Igneous Rocks!

Rock Identification with Willsey: Volcanic Rocks (Tuff, Obsidian, Pumice)

Rock Identification with Willsey: Intro to rock types and useful ID tips

Rock Identification with Willsey: Volcanic Rocks (andesite, dacite, rhyolite)

Rock Identification with Willsey: Intro to Metamorphic Rocks!

Rock Identification with Willsey: Nonfoliated Rocks - Quartzite and Marble

Rock Identification with Willsey: Conglomerate, Breccia, and Diamictite

Rock Identification with Willsey: Foliated Metamorphic Rocks - Slate, Phyllite, Schist, and Gneiss

Rock Identification with Willsey: Intro to Sedimentary Rocks!

Rock Identification with Willsey: Sedimentary Rocks (Chert and Coal)

Classification of Igneous Rocks: Intrusive vs. Extrusive

Professor Dave Explains

Rock Identification with Willsey: BASALT and its many varieties

Minerals with Willsey: Feldspars

Minerals with Willsey: Olivine, Pyroxene, and Amphibole

Identifying Igneous Rocks -- Earth Rocks!

Igneous Rock Identification

Rock Identification with Willsey: Carbonate Sedimentary Rocks (Limestone and Dolostone)