State moderate contamination of a basalt by granitic rocks

Reference no: EM13206984

Look up literature, or internet and come up with typical chemical compositions for basalt and granite. Consider FeO and MgO only. Use the mass balance equation for elemental ratio A/B, explain why moderate contamination of a basalt by granitic rocks does not greatly change the FeO/MgO ratio of the hybrid magma with respect to the ratio of the original basalt.

Reference no: EM13206984

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State moderate contamination of a basalt by granitic rocks : explain why moderate contamination of a basalt by granitic rocks does not greatly change the FeO/MgO ratio of the hybrid magma with respect to the ratio of the original basalt.

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