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Melanocratic Rocks |
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Melanocratic Rocks
igneous rocks in which the quantity of dark-colored minerals (those rich in iron and magnesium; for example, pyroxene, amphibole, and biotite) is greater than in the normal average type of the given rock. Melanocratic rocks are contrasted with leucocratic rocks, which are poor in dark-colored minerals. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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