Why would deposits of iron ore form in the setting shown here?
A)Hot water circulates along the margins of a caldera.
B)Magma releases metal-rich fluids that react with rocks like limestone.
C)Seawater is heated and rises to the surface,forming black smokers.
D)Pieces of iron are weathered from the top of the granite and deposited as limestone.

Question

Why would deposits of iron ore form in the setting shown here? 
A)Hot water circulates along the margins of a caldera. 
B)Magma releases metal-rich fluids that react with rocks like limestone. 
C)Seawater is heated and rises to the surface,forming black smokers. 
D)Pieces of iron are weathered from the top of the granite and deposited as limestone.

Quizplus · Accepted Answer

The formation of deposits of iron ore in this setting is likely due to magma releasing metal-rich fluids that react with rocks like limestone, as indicated by the presence of limestone in the diagram. This can lead to the concentration and deposition of iron minerals in the area. The other choices do not specifically relate to the formation of iron ore deposits.

Why Would Deposits of Iron Ore Form in the Setting