US Mines listed rhyolite flows
Rhyolitic flows can have high concentrations of fluorine gas dissolved in the lava which allows the rhyolite to become more fluid. Fluorine gas is a key component in the formation…
Portis Gold Mine, Franklin Co. North Carolina
Data exported from DRC 3.00 (c) 2012 Gary Kindel Mine: PORTIS MINE City: Mine ID: 146893 County FRANKLIN Seq Nbr: 0370690005 State NORTH CAROLINA Latitude 36.195833 Country USA Longitude -78.016111…