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The Role of Natural Attenuation for Arsenic in Heap Leach Drainage

RJ Bowell, J Declercq, R Warrender, A Prestia, JR Barber, and JV Parshley
Friday, April 24, 2015
First presented: 
27th International Applied Geochemistry Symposium, 2015

This study on the potential for attenuation of arsenic focused on the Oxide Heap Leach facility, Daisy Mine, Nevada and aimed to generate numerical predictions to evaluate closure options, focusing on geochemistry of solutes in groundwater upon interaction with draindown and the potential of chemical constituents in heap solutions to attenuate in the unsaturated alluvium and not degrade groundwater.

Feature Author

Jeff Parshley

Jeff Parshley has more than 30 years of project experience throughout North America, Latin America, Australia, Asia, Europe and Africa, which includes mine permitting, environmental audits, feasibility and due diligence studies, mine closure design and permitting, liability assessments, reclamation and closure cost estimating, pit lake studies, mine waste studies and environmental geology. He has considerable experience in the permitting and closure of gold heap leach operations in the western U.S. and has lectured in the U.S., Latin America, Europe, Australia and Africa on mine closure planning and design. He regularly heads multi-disciplinary teams on projects ranging from environmental liability assessments to permitting to mine closure. He is currently carrying out a number of mine permitting, remediation and environmental geochemistry projects, a large underground mine expansion and several permanent mine closures.

Corporate Consultant, Mine Closure
SRK Reno
SRK North America