Some minerals are economical to mine at lower concentrations because of their higher value to society and relatively low extraction costs.

Question

Quizplus · Accepted Answer

This is because the value of certain minerals, such as gold, silver, and platinum, is high enough that even small concentrations can be economically viable to mine. Additionally, extraction costs can be relatively low for certain types of minerals depending on the location and technology used.

Some Minerals Are Economical to Mine at Lower Concentrations Because