(We wore out several pairs of gloves in the process.) We used mercury to actually extract the gold from the powdered rock. Gold, like most minerals, can be 'dissolved' in mercury to create what's ...
The Peshawar High Court has imposed a ban on the use of mercury in gold mining operations in Kohat, citing environmental and ...
PESHAWAR: The residents of Khushal Garh, Kohat, on Monday moved Peshawar High Court against use of mercury in gold mining in the area, terming it an environmental hazard resulting in contamination ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback