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Updated: July 27, 2025
A great deal of chemical action then commences, salts of various kinds effloresce on the surface, and the mass becomes hard. There can be no doubt that the chemical action, already mentioned, each time liberates fresh gold from some combination. The discovery of a method to effect this before the first grinding would without doubt raise the value of gold-ores many fold.
A great deal of chemical action then commences, salts of various kinds effloresce on the surface, and the mass becomes hard. There can be no doubt that the chemical action, already mentioned, each time liberates fresh gold from some combination. The discovery of a method to effect this before the first grinding would without doubt raise the value of gold-ores many fold.
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