Igneous Rocks
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Geology Glossary
Class 9 Metamorphic Rocks and Metamorphic Deposits
The Crust of the Earth is Constantly Moving
Weathering Sedimentary Rocks
Virtual Times Recent Earthquakes and Volcanoes
Wegener VS every body else
Soil Micromorphology Glossary
Igneous Rock Textures
A Rock Hound's Webquest Geology Clues to Identify Rocks
North Cascades Geology Common Rock-Forming Minerals and Their Elements
Volcano World - The Web's Premier Source of Volcano Info