How Can Contact Metamorphism Result in the Deposition of Ore

question 34

Multiple Choice

How can contact metamorphism result in the deposition of ore deposits?

• A)Magma differentiates during cooling, leaving the ores to settle out to the bottom of the magma chamber.
• B)Hot, mineral-rich water exits the seafloor, resulting in instant precipitation of minerals.
• C)Hot magma burns the country rock, which experiences a mineral phase change.
• D)Hot fluids in contact with the country rock can result in chemical reactions that facilitate the migration of metallic ions.

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