This diagram of Bowen's Reaction Series shows how the common silicate minerals crystalize at different temperatures.
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Bowen's Reaction Series
Deep inside the Earth, or at a volcano, melted rock is becoming solid mineral crystals. Some minerals, like olivine, make crystals when the hot liquid rock is still very hot. Other minerals, like biotite and quartz, make crystals when it is less hot.
Igneous rocks have different minerals in them depending on the temperature when they formed.
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The Fall 2010 issue of The Earth Scientist
, focuses on rocks and minerals, including articles on minerals and mining, the use of minerals in society, and rare earth minerals, and includes 3 posters!
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