The metal ores that are found in veins within plutons typically occur ____________.

Question

Quizplus · Accepted Answer

The best choice is D, as metal ores that are found in veins within plutons are commonly associated with quartz. Quartz is often the result of hydrothermal alteration associated with the formation of plutons and is a common gangue mineral in mineral veins. Choices A, B, and C are incorrect because metallic ores are typically found within ore mineral assemblages, are often mixed with other metals, and may or may not be associated with other minerals such as calcite.

The Metal Ores That Are Found in Veins Within Plutons