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Rocks: Igneous, Metamorphic and Sedimentary
Rocks hold the history of the earth and the materials that will be used to build its future.
Chalk is a variety of limestone formed from fine-grained marine sediment known as ooze.
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Rock and Mineral Kits
Rock, Mineral and Fossil Collections. Specimens for personal or classroom use.
Rock Tumblers make great Christmas gifts. RockTumbler.com is a GeoShops.com website.
Geodes look like ordinary rocks on the outside but can be spectacular inside!
Geology Dictionary - contains thousands of geological terms with their definitions.
Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
The Brewery Rock ?
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Sliding Rocks on Racetrack Playa How they slide across a dry lake bed is a mystery.
Quartzite a nonfoliated metamorphic rock composed almost entirely of quartz.
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Shale The rock that is quickly transforming the energy industry.
Difficult Rocks Elementary students find lots of rocks that you will not be able to identify.
A Grain of Sand Gallery of sand grains through a microscope by Dr. Gary Greenberg.
Sand is a diverse material. This gallery includes photos of sand from around the world.
Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone.
Don*t Go To Jail
Rock Collectors must know the rules before removing rocks from public and private property.
Rock Art People have been producing rock art for thousands of years. A world-wide collection.
Mariposite - a name used for green chromium-rich micas and certain rocks colored by them.
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Soapstone is a talc-rich rock with properties that make it suitable for a variety of projects.
Siltstone is a sedimentary rock composed mainly of silt-sized particles.
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Rock-Forming Minerals - most of Earth*s crust is made up of a small number of minerals.
Dacite - a light-colored extrusive igneous rock intermediate between rhyolite and andesite.
Unakite is a metamorphosed granite composed of green epidote and pink orthoclase.
Rocks on Mars
Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
Oil Sands contain oil in the form of bitumen - a major oil resource that can be difficult to produce.
What Are Pictographs? They are drawings or paintings on rocks made by people.
Azurite Granite ?
Azurite Granite? Found at the base of K2, the second highest mountain in the world.
Uses of Granite
Uses of Granite The rock used everywhere from the kitchen to the facing stone of skyscrapers.
Forensic Geology My students come to class thinking that dirt is dirt and sand is sand...
Spectacular Yosemite Rockfall A photo sequence of rockfall and debris avalanche by Herb Dunn.
Caliche is a lithified layer in soil or sediment. It is considered to be a sedimentary rock.
Gold Panning Kits
Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for gold!
Crushed Stone - Four tons per person is used each year in the United States.
Mineral Show Photos From the 2010 Tucson Gem, Mineral & Fossil Show.
Coal Close Up
Coal Through a Microscope Coal is more than a black rock. It\'s THE most interesting rock.
Limestone A versatile rock used in cement, food, paint, paper, drugs, concrete & more!
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.