Publisher's Synopsis
Excerpt from Mines and Mineral Statistics of New South Wales, and Notes on the Geological Collection of the Department of Mines
In a very large number of instances where the miners do not crush their own stone, the cost of carting and crushing amounts to about twenty-five shillings, equal to between six and seven dwts. Of gold per ton, so that unless the stone is moderately rich it cannot pay for working. The miner has, however, not onl to submit to the loss of the gold contained in the pyrites, and, to pay, say six on seven dwts. Of gold for having his stone crushed, but in many cases the battery is in the charge of a person who has no special knowledge of and ex erience in the reduction of quartz and the saving of gold, and a] the various descriptions and qualities of stone are subjected to precisely the same treatment. It would not, perhaps, be practicable for every company, nor for the owner of every crushing plant, to erect the apparatus requisite for the collection and effective treatment of pyrites, but it is highly desirable in the interest of mining that the pyrites should be saved, because if it were known that the miners were in the habit of saving them, a market would soon spring up in which they would be able to obtain nearly as much money from the sale of their pyrites as they would gain by simply extracting the gold from them, and the practice of saving these waste products would lead to the erection of works for the extraction and saving not only of the gold, but also of the sulphur, arsenic, &c.
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