Mar 1, 2018 Its average concentration in the Earths crust or lithosphere is approximately 5 ppb, where it is highly concentrated by natural chemical and physical processes. Gold is often extracted as a by-product during smelting from
The lithosphere consists of rocks, which contain minerals. Choose from the following list: gold, iron, coal, phosphate, manganese, diamond, chromium, . There are two main methods of mining - surface mining and underground mining.
A common form of extracting gold from rock used. be deformed is called the a . crust b . asthenosphere c . core d . mantle e . lithosphere ANS: B PTS: 1 DIF: Easy TOP: 14-1 What Are the Earths Major Geological Processes and Hazards? 4.