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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
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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.
Hand Lens
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Don*t Go To Jail
Rock Collectors must know the rules before removing rocks from public and private property.
Rock Tumbling
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
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.
Coal Close Up
Coal Through a Microscope Coal is more than a black rock. It\'s THE most interesting rock.
Oil Sands
Oil Sands contain oil in the form of bitumen - a major oil resource that can be difficult to produce.
Soapstone
Soapstone is a talc-rich rock with properties that make it suitable for a variety of projects.
Azurite Granite ?
Azurite Granite? Found at the base of K2, the second highest mountain in the world.
Igneous and Volcanic
Igneous and Volcanic Features an introduction to how these rocks occur below and above ground.
Antarctic Meteorites
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Rock-Forming Minerals
Rock-Forming Minerals - most of Earth*s crust is made up of a small number of minerals.
Forensic Geology
Forensic Geology My students come to class thinking that dirt is dirt and sand is sand...
