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| Description: Naming igneous rocks Granitic rocks Composed almost entirely of light-colored silicates – quartz and feldspar Also referred to as felsic: feldspar and silica (quartz) High silica content (about 70 percent) Common rock is granite Picture Stats: Views: 295 Filesize: 172.21kB Height: 921 Width: 680 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39381 |