Several gangs of Elk from 100 to 200 in a gangue on the river, great numbers of Antelopes.
This gangue is dug out and broken up as in mines of other metals.
The loss of potash and soda by volatilization and combination with the gangue is entirely avoided.
Fluor spar is as favorable a gangue for lead as quartz is for gold.
Weathering removes the more soluble materials and concentrates the lead sulphide with the residual clay and other gangue.
He wants to make friends with her, that she may help him to find the gangue.
Careful dissolving of the pyrites and gangue so as to leave the gold intact failed to find it in any larger diameter.
The gangue is quartz, occasionally argillaceous and bituminous.
The ore contains rich silver sulphide minerals and native gold, in a gangue composed almost entirely of quartz.
The sulphur of the galena falls to the bottom of the bath, and may be separated from the gangue by solution in carbon disulphide.