The relationship of raw and processed mineral materials to the economy, and the role of exports, imports, and recycling are quantified. Import status for 36 major mineral imports is detailed. World steel production by major area for the past 25 years is graphed. The relation of minerals to the transportation infrastructure is detailed, and 100 mineral commodities are classified in a matrix of 60 possible problems involved. Major areas for future reserach including high-temperature and corrosion- resistant materials, and the synergistic effects of trace elements are covered.