Earth's crust -- The rock cycle -- Rocks from fire -- Rocks under pressure -- Rocks that change -- Minerals -- Crystals -- Gemstones -- Metals -- Gold -- Mining -- How we use rocks and minerals.
Summary:
What is the rock cycle? How do crystals help us tell time? And does gold really come from space? Discover the answers to these questions and many more in this fascinating guide to rocks and minerals. Includes fact-filled text, quirky illustrations and side panels providing more information.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.