Copper-containing rock hosts only a small percentage of copper. Most of the rock is unwanted material, typically referred to as gangue. Depending on to what minerals the copper is bound, the rock is ...

This difficult to find block is one of the most interesting ores in Minecraft. This is partly because it is one of the rarest ores in the game, having potentially the most specific spawning ...

The origin of giant apatite-iron oxide ores of the so-called 'Kiruna-type' has been the topic of a long standing debate that has lasted for over 100 years. In a new article, scientists present new and ...