Light colored igneous rock is called felsic, it is high in quartz, muscovite mica, and orthoclase feldspar content. Dark colored igneous rock is called mafic, and contains a lesser amount of silica along with olivine, pyroxene, amphibole, biotite mica, and plagioclase feldspa
<span>Light coloured igneous rocks (felsic) tend to have greater silica and aluminum content and a lower iron and magnesium content than dark (mafic) rocks.</span>
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No.for example the tunguska event in 1908.an asteroid entered the atmosphere,exploded and sent pieces flying down 3-6miles to the surface
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Insert appropriate question tags are the merits of democracy in the world table million in the world table million in the world table million in the world table million in the world
So that later in time (or present day) it could be changed to fit better with the social, political, and economic changes of the US and the world.
