tailings

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tailings

Residual gamma-radiation-rich, sandy waste remaining after extraction of uranium from mined ore.
References in periodicals archive ?
The gangue mineralogy of the massive sulfides tends to be sucrosic silica.
The predominant gangue mineral in ore shoots is manganiferous siderite.
Two major breccia zones of significance have been identified in the limestone, which are associated with calcite-gypsum-quartz gangue minerals and significant amounts of associated silver.
0x20 A two acid approach using a dilute hydrochloric acid (HCl) pre-leach to dissolve the carbonate gangue (waste) minerals, followed by a sulphuric acid (H[sub.
This residue is largely comprised of zircon (zirconium silicate) and columbite (niobium and tantalum mineral) along with any silicate gangue minerals that have not broken down during the acid bake process.
Carbonate and some quartz is present as gangue in many veins with quartz veining increasing in the lower part of the hole.
The gangue minerals are essentially quartz, carbonate and minor graphite which are readily separated from the copper bearing minerals chalcopyrite and chalcocite.
For example, if insufficient H2SiF6 is added to the cleaning process, the Ta/Nb minerals will not selectively separate from the gangue minerals, while an excessive amount of H2SiF6 can lead to a decrease in the Ta/Nb recovery.
The Yampi Member magnetite liberates from the gangue at a coarse grind size of 75 microns.
Based on this previous work (Carrington, 1997 and Akright, 1997), "this gold mineralization is directly analogous to the famous Fortitude deposits in terms of structure and igneous association, ore and gangue mineralogy, paragenesis, age and host rock type.
This zone consists of several 1-3m thick horizons of massive to semi-massive, brecciated and recrystallized sphalerite, galena, pyrrhotite, pyrite, and chalcopyrite with minor silica, plagioclase, + chlorite and biotite gangue.
A primary focus of test work will be examination of the potential for the reduction of silica gangue and an increase of iron content in the Yampi Member to confirm production of an attractive marketable product to potential end users.