The mineral industries have alsays had significant environmental problems. Dealing with them is in many cases technically possible but the cost is often prohibitive in an industry with uniform products and much trade. Action to make mineral products less uniform and more distinguishable in terms of the environmental impacts involved in producing a specific shipment or volume of mineral is suggested as a possible solution, if combined with means to identify each shipment. This requires identification thechniques and in particular clear and unequivocal evidence about environmental impacts at all stages of production.
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