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Suppose you found an igneous rock that had almost even amounts of silica, iron, and magnesium. How would you classify this rock? Why?

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victoriarianna

The rock has a mineral composition between granitic and basaltic rock. The rocks that contain a lot of silica but less iron and magnesium is granitic. However, Basaltic rocks have loads of iron and magnesium but very little silica. So therefore, your answer is an Andesic rock. Hope this helped!

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