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

Question

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

Quizplus · Accepted Answer

Gold ore typically forms in association with hydrothermal fluids, which are heated, mineral-rich water that flow along the margins of calderas. These fluids can dissolve gold from rocks and deposit it in veins within the caldera.

What Is the Main Way That Gold Ore Forms in Association