The environmental impact of iron ore mining, in all its phases of, from excavation to . The main sources of emissions during both the construction and operation phases include the products of combustion such as nitrous oxide, carbon dioxide,.
Mineral Processing Wastes Material Description User Guidelines .
(1) Mineral processing wastes account for nearly half of all the solid waste that is .. or more types of mineral processing wastes for highway construction purposes. . waste materials and their potential impacts if used in recycling applications.