Rock Identification with Willsey: Intro to Igneous Rocks!

The Strongest Solid Forms of Nature #metamorphicrocksSee more

The Bizarre Rocks and Landscape of Chaos Jumbles, Lassen Volcanic National Park, CaliforniaSee more

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

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

Marvelous Migmatites at Unicorn Point, Utah: Bridging the Gap Between Igneous and Metamorphic RocksSee more

Rock Identification with Willsey: Sandstone, Mudstone, and ShaleSee more

Rock Identification with Willsey: Nonfoliated Rocks - Quartzite and MarbleSee more

Rock Identification with Willsey: Conglomerate, Breccia, and DiamictiteSee more

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

Rock Identification with Willsey: Intro to Metamorphic Rocks!See more

Rock Identification with Willsey: Intro to Sedimentary Rocks!See more

Minerals with Willsey: CalciteSee more

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

Minerals with Willsey: Hematite, Magnetite, Galena, and PyriteSee more

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

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

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

Rock Identification with Willsey: BASALT and its many varietiesSee more

Minerals with Willsey: Olivine, Pyroxene, and AmphiboleSee more