
Sep 18, 2013 The same was observed in the magnetite mining-affected coastal communities in the municipalities of Gonzaga and Aparri, because of the destruction of sand dunes and the disruption of the coastal sediment budget. The EIM also concluded that magnetite mining contributed to Feb 21, 2011 To prospector the first Association of gold and magnetite occurs in the bottom of your cold pan in the form of black sand that contains small specks of gold. This black sand along with other heavy minerals is considered to be ore in its own right, and is often refined away from streamside to recover its gold content.