Sulfur is now a by-product of the extraction of petroleum, methane, methal sulfides minerals; elementar sulfur is today rarely found and extracted at industrial scale.
Ore was deep underground and it was expensive to extract.
Shaft mining.
Shaft mining.
Shaft mining.
which ore is aluminum extracted from
Copper Ore.
To refine an ore means to extract the valuable metal that is inside the ore.
What is th see energy source for a vein of ore that is formed underground
you extract it with a picaxe
Metals are generally mined in the form of ore. Ore is processed to extract the metal from the ore (known as smelting)
By reduction-oxidation reaction you can extract metals, including Gold, from ore.
The ore must be mined, or must be removed from the ground. Then the ore must be processed to extract the metal