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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.
Metamorphic

Fluorescent Minerals

Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Flint, Chert, Jasper

Flint, Chert, and Jasper are types of chalcedony and names for microcrystalline quartz.
Puddingstone

Puddingstone - a conglomerate with clasts that contrast in color with the matrix. Alamy Images.
Tumbled Stones

Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
Curling Stones

Curling Stones are made from a special type of granite, found at just a few locations worldwide.
Trap Rock

Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone.
The Brewery Rock ?

The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Difficult Rocks

Difficult Rocks Elementary students find lots of rocks that you will not be able to identify.
Geology Dictionary

Geology Dictionary - contains thousands of geological terms with their definitions.
Gold Panning Kits

Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for gold!
Rock Art

Rock Art People have been producing rock art for thousands of years. A world-wide collection.
Charoitite

Charoitite - a purple metamorphic rock dominated by the mineral charoite. It is used as a gem.
Rock Tumbling

Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Don*t Go To Jail

Rock Collectors must know the rules before removing rocks from public and private property.
Hand Lens

Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Uses of Granite

Uses of Granite The rock used everywhere from the kitchen to the facing stone of skyscrapers.
Rockfall

Spectacular Yosemite Rockfall A photo sequence of rockfall and debris avalanche by Herb Dunn.
Oil Sands

Oil Sands contain oil in the form of bitumen - a major oil resource that can be difficult to produce.
Coal Close Up

Coal Through a Microscope Coal is more than a black rock. It\'s THE most interesting rock.
Rock-Forming Minerals

Rock-Forming Minerals - most of Earth*s crust is made up of a small number of minerals.
Antarctic Meteorites

The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Azurite Granite ?

Azurite Granite? Found at the base of K2, the second highest mountain in the world.
Soapstone

Soapstone is a talc-rich rock with properties that make it suitable for a variety of projects.
Igneous and Volcanic

Igneous and Volcanic Features an introduction to how these rocks occur below and above ground.
Forensic Geology

Forensic Geology My students come to class thinking that dirt is dirt and sand is sand...