Great Rock Identification Website by Don Peck

The Rock Identification Key - by Don Peck http://www.rockhounds.com/rockshop/rockkey/index.html#Key

Rock Key Table of Contents

The Rock Key What Are Rocks? What Types of Rocks Are There? What Is The Rock Cycle? What Minerals Form Rocks? Collecting Rocks Safety While Collecting Rocks Using the Rock Key About The Rock Key

Igneous Rocks:    Basalt, Diabase, Diorite, Gabbro, Granite, Obsidian,  Pumice, Rhyolite, Scoria Sedimentary Rocks:    Breccia, Conglomerate, Limestone, Sandstone, Shale Metamorphic Rocks:    Gneiss, Marble, Quartzite, Schist, Serpentinite, Slate