Find out more about rocks and images at the sites below:
Link to USGS sites.
Link to non-USGS sites. We are happy to provide this link for your convenience. Please be aware that we cannot guarantee the accuracy of non-USGS sites.

Featured Sites USGS Geology in the Parks Explore geological history and learn about rocks and minerals. Fossils, Rocks, and Time USGS publication on the Earth's geologic history. Earth Science Photographs Search for images of rocks and minerals from the photo archive of the USGS.  Coal Country This kids' education software teaches children the basics about coal. Downloadable online.  Activities to Explore Acid Rain and Building Stones This 38-page report provides 12 activities for students to explore the effects of acid rain on building stones.  Information on Fossils and Fossil Collecting Contains links to information about fossils.  Selected References On Rocks, Minerals, And Gemstones A list of publications, audios, visuals, and educational materials.  Bedrock Geology and Photo Gallery Learn about metamorphic sedimentary rocks and see photos.  Geologic Images Contains images of rocks, fossils, sinkholes, landscapes, and maps.  Paleontology at USGS Learn about the different types of fossils, how they lived, and how they are used to answer important questions about the world we inhabit.  Geologic Information Geologic and mineral resource surveys and mapping for the Department of the Interior.  USGS Geology in Parks Learn geology basics from touring the national parks.  Earth Science Photographs Search for rocks, minerals, national parks, monuments, and other geologic images from the photo archive of the USGS.  Mineral Resources Program Information on the occurrence, quality, quantity, and availability of mineral resources  Gemstones An overview of production of gemstones in the U.S.  Fun Facts About Rocks and Minerals Contains interesting information on daily use of minerals and rocks.  Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments Defines acid rain, explains what effects it has on marble and limestone buildings, and shows through a walking tour some of the places in our Nation's capital where you can see the impact of acid precipitation.  Collecting Rocks Learn about different types of rocks and how to identify and collect them.  Our Changing Continent Compares the geological changes of the continent of North America through the ages.  Natural Gemstones Basic information about gemstones.  The Interior of the Earth Understand Earth's structure and composition.  Monitoring Active Volcanos How scientists track volcanic movements.  The Geologic Story of the Ocoee River The geologic story of the rocks exposed along the Ocoee River in Polk County, east Tennessee.  Gold History and basics of gold.  Prospecting for Gold in the United States Report.  Building Stones of Our Nation's Capital Describes the source and appearance of many of the stones used in building Washington, D.C.  Fire and Mud: Eruptions and Lahars of Mount Pinatubo, Philippines Know all about the eruption history, impacts of the eruption, rocks, and lahars of Mount Pinatubo, Philippines.  Cascades Volcano Observatory Focuses on hazards, activity, history, and monitoring of volcanoes, with emphasis on volcanoes of the Western United States.  American Geological Insititute Education Produce innovative inquiry-based curriculum for K-12 earth science education.  Geo Mysteries with Rex, the Dino Detective Fun and interactive geologic site for kids.  Mineralogical Society of America Contain articles on mineralogy and activities for kids.  Collector's Corner See how and where you can collect rocks.  Official State Geologic Symbols Find out your state rock, mineral, gem, and fossil, and learn more about them.  Mineralogy 4 Kids Learn about minerals and play games.  This Planet Really Rocks Know all the basics about rocks and rock collecting.  Ask-A-Mineralogist A forum where real mineralogists answer your questions.  More Than Skin Deep A teacher's guide to caves.  Museum of Paleontology Learn about fossils and earth history through background information and collection of fossils. Contains activities for both the classroom and students.  Learning From the Fossil Record Fun education site about paleontology and earth-science.  Windows to the Universe Fun and intriguing site about the earth and space sciences.  Park Geology Teacher's Features Teaching geology with national park examples.  Park Geology Tour of National Parks Learn geology through online tour of national parks.  Geologic animations Animations include plate tectonics, gas, oil, and more.