Question

where are ores located?

Answer 1

Answer:

The ores are extracted at a profit from the earth through mining; they are then refined (often via smelting) to extract the valuable element, or elements. The ore grade, or concentration of an ore mineral or metal, as well as its form of occurrence, will directly affect the costs associated with mining the ore.

Explanation:

Answer 2

Ores are usually found concentrated in deposits with a definite gradation of metal concentration from the ore to the surrounding rock. The ore often occurs in veins, which are ore-filled fissures in the rock.