Evolution in the Mineral Kingdom
Minerals evolved along with the solar system and more so on Earth due to the presence of life, which helps scientists in the search for extraterrestrial life.
Nov 13, 2008
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Kelly Whitt
Sedimentary Rocks
Sedimentary rock formations are those which are formed by layer upon layer of sediment being laid down by natural forces. It is the stone in which history is hidden.
Mar 24, 2008
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Isaac M. McPhee
Metamorphic Rock
Metamorphic rocks are those which change type over time and under certain conditions. They are proof that rock may not be as stable and permanent as it seems.
Mar 24, 2008
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Isaac M. McPhee
Igneous Rocks
Igneous rocks are formed from lava (or magma), though they are not easily definable, as they exist in over seven hundred varieties.
Mar 24, 2008
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Isaac M. McPhee
The Science of Diamonds
Brilliant cut diamonds are always a treat. Understanding the natural processes behind diamond formation makes these precious gemstones even more wonderful to behold.
Sep 14, 2007
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Lisa A. Bessasparis
Fairy Grottoes
Inside the most pedestrian rocks, miniature cathedrals may be awaiting discovery. Geodes conceal crystal palaces hidden for millenia; you need only know where to look.
May 4, 2007
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Juliette Riitters
