Many Ore Deposits Result from Contact Metamorphism During Which Hot

question 42

Multiple Choice

Many ore deposits result from contact metamorphism during which hot, ion-rich fluids ____.

• A)migrate from surrounding rock into igneous intrusions
• B)migrate from igneous intrusions into the surrounding rock
• C)melt the surrounding rock which precipitates the ore
• D)reach Earth's surface forming ore deposits as they move
• E)become electrically neutral and react chemically with the surrounding rock

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