Field and Laboratory Analysis of the Mercury Content of Gold: Prelude to the Trial of a Premium to Artisanal Miners for Gold Concentrated without Mercury in Madre de Dios, Peru

Jennifer Angel Amaya1, Abraham Jair Terrones Ramirez2, Jorge Gerardo Ayala Mina Sr.2, Johny Ponce-Canchihuaman3 and Alexander van Geen4, (1)Lamont -Doherty Earth Observatory, Palisades, United States, (2)Asociación Peruana Canadiense Ayuda que Vale Oro, Puerto Maldonado, Peru, (3)Center for Research in Environmental Health, CREEH Peru, Lima, Peru, (4)Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States