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20 January, 07:34

igneous rocks that are dense and dark-colored thet form from magma that is rich in iron and magnesium and poor in silica

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  1. 20 January, 07:47
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    Light colored silica rich ringeous rock than is less than dense than bacsaltical rock
  2. 20 January, 07:54
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    light-colored, silica-rich igneous rock that is less dense than basaltic rock. dense, dark-colored igneous rock formed from magma; rich in magnesium and iron and poor in silica. Describes magma or igneous rock that is rich in feldspars and silica and that is generally light in color.
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