What Is the Main Way That Gold Ore Forms in Association

question 79

Multiple Choice

What is the main way that gold ore forms in association with a caldera?

• A)hot water flows along the margins of a caldera
• B)pieces of gold are weathered from the rim of the caldera and deposited in the center
• C)pyroclastic eruptions throw rock fragments into the air,and the heavier gold pieces settle first
• D)calderas can form lakes and gold precipitates from the evaporating water

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