As stated above, the Scorification Assay process is especially applicable to (a) complex ores, (b) very rich ores, (c) ores which are mainly valuable for
The geological theory of Plate Tectonics and the Associated Mineralization Process relating to the formation of ore deposits is a hugely complicated process with the
The value of an assay depends largely on the care with which a sample of the ore is selected. Sampling should be, as far as
Cupellation is conducted in a muffle furnace, the construction of which is shown in Figs. 62-63. The fire is lighted, a little bone-ash is sprinkled
“Highgrading” a polite word for stealing gold and silver for your refinery, has been a way of life since the metals in native form have
The cost of replacement of the metal worn from the working surfaces of the balls and liners of a mill often represents a considerable fraction
This keeps the leach sample secure prior to its assaying. A simple electric box, lock and key, piece of pipe, funnel, bottle and yes, some
In the previous chapter, the various “laws” of comminution which have been propounded have been studied in relation to the physical process of size reduction
