Phosphate Rock . Minerals Education Coalition
The largest and least expensive source of phosphorus is obtained by mining and . The most important use of phosphate rock, though, is in the production of.
Mining industry of Morocco Wikipedia
The mining industry of Morocco is important to the national economy. Morocco is the world's second largest producer of phosphate, and contains . The High Atlas has reserves of lead, zinc, copper, manganese, iron, and barite, while zinc,.Live Chat