PROFESSIONAL PAPERS

Goldfield Heap Leach Project: 100 Year Heap Leach Effluent Closure Configuration

Richard DeLong, Carl Defilippi & Guillermo Larios
Proceeding of Heap Leach Solutions - Reno, Nevada USA - September 2015

Conveying and Stacking Systems Design for Heap Leach Applications

Caleb Cook & Daniel W. Kappes
Heap Leach - Vancouver, BC CANADA - September 2013

Heap Leaching - SME Mining Engineering Handbook

Travis J. Manning & Daniel W. Kappes
SME Mining Engineering Handbook Third Edition, Volume 1, Published 2011 by SME (1073)

Process Design Responses to High Rainfall and Extreme Topography

Mark Gorman, Martin Linero & Sergio Hernandez
Presented at the Advances in Primary and Secondary Operations Symposium SME/TMS – Tucson, Arizona USA – October 2007

SART for Copper Control in Cyanide Heap Leaching

Daniel W. Kappes & Matt Stewart
Presented at the South African Institute of Mining & Metallurgy Symposium Series S69 – Johannesburg, AFRICA – November 2011

Precious Metal Heap Leach Design & Practice

Daniel W. Kappes
Mineral Processing Plant Design, Practice, and Control, Volume 1, Published 2002 by SME (1606)

Daniel W. Kappes

Presented at the Chloride Metallurgy at the 32nd Annual Meeting of the Hydrometallurgy Division of CIM – Montreal CANADA – October 2002

Chloride Leaching for Silver, Copper, Lead, and Antimony - Industrial Experience in the 600 Tonne/Day Itos, Bolivia Plant

Observations on Recent Successes and Problems in Heap Leaching

Daniel W. Kappes, Randall A. Pyper & David J. Collins

Presented at the Fourth International Gold Symposium – Lima, PERU – May 2000

Heap Leach or Mill? Economic Considerations in a Period of Stable Gold Prices

Daniel W. Kappes
Presented at the Randol Gold Conference – Golden, Colorado USA - April 1998

Heap Leach Project Evaluation During the Initial Stages

Daniel W. Kappes
November 1997

The Ashanti (Ghana) Heap Leach - Treatment of Decomposed Schist in a Tropical Environment

M. W. Cassiday, T. J. Cox, D.W. Kappes, I. A. Domfeh & I. Stalker
Presented at World Gold ’91 – Cairns, Queensland AUSTRALIA – April 1991

Heap Leaching with Fine Grinding & Agglomeration at Potosi - Bolivia

W. R. Rose, R. Pyper, J. Eguivar & C. Mirabal
Presented at GoldTECH 4 – Reno, Nevada USA – September 1990

CSI's Modular Plant for the On-Site Manufacture of Cyanide

Daniel W. Kappes

Presented at the Randol Gold Conference – Sacramento, California USA - November 1989

Laboratory Heap Leach Testing Comparison of Small and Large Scale Tests

Russell B. Dix
Presented at the Workshop Conference on Economics and Practice of Heap Leaching in Gold Mining - Cairns, Queensland, AUSTRALIA - August 1988

Technical Advances in Precious Metals Heap Leaching

Daniel W. Kappes
Presented at the Workshop Conference on Economics and Practice of Heap Leaching in Gold Mining - Cairns, Queensland, AUSTRALIA - August 1988

Marvel Loch Gold Mines Exhibition Heap Leach Project

Randall A. Pyper & Alan Pangbourne
Presented at the Workshop Conference on Economics and Practice of Heap Leaching in Gold Mining - Cairns, Queensland, AUSTRALIA - August 1988

Comparison of Vat and Heap Leaching Behavior in Laboratory Evaluations of Gold/Silver Ores

Russell B. Dix & Randall A. Pyper
Presented at the Perth International Gold Silver Conference - Perth, Western Australia - October 1988

Development of the Hog Ranch Mine, Washoe County, Nevada

G. Allard, D. W. Kappes, M. W. Cassiday, N. Mian, K. Drossulis, & K. Smith,
Discussion presented at Northern Nevada Section of AIME – Reno, Nevada USA - April 1987

Small & Large Heap Leaches - Differences in Approach

Randall Pyper & Daniel W. Kappes

Discussion presented at the CIM District 6 Meeting - Victoria, B.C. USA - October 1986

New Developments in Heap Leaching

Daniel W. Kappes
Presented at the Gold & Silver Recovery Forum ’85 - Santa Fe, New Mexico USA - October 1985

Considerations in the Choice of Carbon Adsorption Systems for Gold Heap Leaching

Randall A. Pyper & S. G. Allard
Presented at the First International Symposium on Precious Metals Recovery - Reno, Nevada USA – June 1984

Sterling Mine Joint Venture - Anatomy of a Small Underground Mine & Heap Leach

Daniel W. Kappes, Irwin S. Parrish & Gregory G. Austin
February 1982

Scale Up Experience in Gold-Silver Heap Leaching

Daniel W. Kappes
Discussion presentation at the AIME Annual Meeting - Chicago, Illinois USA - February 1981

Precious Metals Heap Leaching: Simple - Why not Successful?

Daniel W. Kappes

Presented to the Northwest Mining Association – Spokane, Washington USA - December 1979

Leaching of Small Gold & Silver Deposits

Daniel W. Kappes
Presented at the Small Scale Mining of the World Conference - Jurica, Qro., MEXICO - November 1978