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.

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

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