This encyclopedia volume comprehensively reflects the basic knowledge and latest research results in the field of mining and metallurgy technology, as well as the latest characteristics of the development in this field. In this reference book, the knowledge system, basic concepts, basic theories, as well as important figures, representative works and institutions of these two engineering categories are well organized in encyclopedic entries. Among them, the content on mining engineering mainly includes mining and mineral processing theory, mining and mineral processing methods, as well as the safety and environmental knowledge involved in mining and mineral processing.