Glad You Asked: Igneous, Sedimentary, & Metamorphic Rocks - Utah Geological Survey

What are igneous, sedimentary, and metamorphic rocks and their associated rock types? A rock is a rock, right? Not to geologists. To aid in their study of the earth, geologists group rocks into three categories based on their origin: igneous, sedimentary, and metamorphic. Each category is then further subdivided.

What is Physical Geology? • New Creation Blog

Outdoor Idaho

Friday fold: Nice gneiss from Salt Lake, Utah - Mountain Beltway - AGU Blogosphere

Utah's Desert Paradox - Wild About Utah

273 questions with answers in PETROLOGY

Wilderness Hikes in the American West - - EXPLORUMENTARY

Utah Geological Survey

Glad You Asked: Igneous, Sedimentary, & Metamorphic Rocks - Utah Geological Survey

Geosciences, Free Full-Text

The Mystery of Upheaval Dome: Uniformitarian Impact Craters, Part Quatre • Watts Up With That?