The phrase "metal miners" refers to people who work in the mining industry specifically focused on extracting metals from the earth, such as gold, silver, copper, or iron. Full definition
Examples include energy in 2009 and precious metal miners in 2014 - 2015. (ericcinnamond.com)
The mistakes have made much of the sector cheap, including one company that's actually been a bright spot among the yellow metal miners. (canadianbusiness.com)
Currently I'm doing work on some precious metal miners that I've owned in the past. (ericcinnamond.com)