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What Type Of Igneous Rock Is Rich In Iron And Magnesium? |
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Answer» Mafic, or basaltic, igneous rocks contain a greater PORTION of iron and magnesium than silica, and they are often much darker in color, typically black, dark brown or dark gray, compared to the lighter-colored igneous rocks which contain a HIGH silica content. Mafic igneous rocks include BASALT, GABBRO, scoria, dolerite and tachylite. Like all igneous rocks, mafic rocks are formed from magma. Mafic, or basaltic, igneous rocks contain a greater portion of iron and magnesium than silica, and they are often much darker in color, typically black, dark brown or dark gray, compared to the lighter-colored igneous rocks which contain a high silica content. Mafic igneous rocks include basalt, gabbro, scoria, dolerite and tachylite. Like all igneous rocks, mafic rocks are formed from magma. |
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