Ores

Ores are found at various depths, they include various metals and minerals.
 * Sulfur
 * Saltpeter
 * Coal
 * Iron
 * Copper
 * Silver
 * Gold
 * Platinum
 * Diamond
 * Ruby

Ore Depths
Given as 'Y' height value.
 * Sulfur = 50
 * Saltpeter = 48
 * Coal = 58
 * Iron = 58
 * Copper = 48
 * Silver = 38
 * Gold = 28
 * Platinum = 16
 * Diamond = 12
 * Ruby = 24