(5) The definition of similarity is in most of these cases associated with a continuous value, so thresholds are used, typically with arbitrary values. (6) Some useful similar substances may get “lost” during the process meaning one may get wrong results because relevant information is lost....
The primary extraction of a mineral resource will lead to an overall decrease in ore grade, meaning the concentration of that resource in ores worldwide, which in turn will increase the amount of ore produced per kilogramme of mineral resource extracted. The SOP expresses the average extra ...