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sima |
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simaIn geochemistry and geophysics, the substance of the Earth's oceanic crust, as distinct from the sial of the continental crust. The name, now used rarely, is derived from silica and magnesia, its two main chemical constituents. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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