LINKS: Stone Soup

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Science  02 Mar 2001:
Vol. 291, Issue 5509, pp. 1669c
DOI: 10.1126/science.291.5509.1669c

It may seem hard to believe when you gaze up at a massive granite building or sit on a cold marble bench, but many building stones were once liquid that cooled and solidified. Igneous rocks such as granite, for instance, crystallized from hot magma, whereas marble is a metamorphic rock, limestone that has been squeezed by geologic forces so its mineralogy changed. This site at the University of Calgary lists dozens of Web sites offering data and software for analyzing the chemistry and thermodynamics of rock formation. You can troll a mineral property database, predict the crystallization of lava, find out how much heat it takes to melt garnet, model the chemistry of groundwater, and much more.

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