Mining Rehabilitation Guide

The Rehabilitation of State-owned Mining Sites

Rehabilitation and Closure plan guide

List of Abandoned Mining Sites

Legislative Provisions

Fiscal Support



Mining Duties Return

The Lorraine site

The exploitation of nickel and copper ore at the Lorraine mine between 1964 and 1968 left over 600 kt of sulphur-rich mine tailings. The 22-hectare site includes 15 hectares of mine tailings. Total site restoration costs were $1.8 million.

A multi-layer covering installed
to control acidic mine drainage.

The spilled tailings were recovered and the surface of the tailings impoundment was re-profiled. A capillary barrier covering, generally known as a multi-layer covering, was established during the winter of 1999 on the mine tailings site to control acidic mine drainage, and limestone drains were set up at the outlet. A program to monitor system performance and changes in water quality has been in effect since the covering was placed in position.

The Lorraine site,
after completion of the work.
Following the establishment of NSERC-Polytechnique-UQAT Industrial Chair in Environment and Mine Waste Management, the site is used as a demonstration site for various types of work carried out as Chair activities.


Dagenais, A.M., Aubertin, M., Bussières, B., Cyr, J., 2003. Performance of the Lorraine Mine site cover to limit oxygen migration. 2005 SME Annual Meeting, février 2005, Salt Lake City.

Bussière, B., Maqsoud, A., Aubertin, M., Martschuk, J., McMullen, J., Julien, M. (2003). Results from the monitoring program at the LTA site: hydraulic behavior of the cover. Conférence et salon commercial de l'industrie minière - Montréal 2003, ICM, 4-7 mai 2003. ICM/CIM. Comptes-Rendus sur CD-ROM.

Dagenais, A.-M., Aubertin, M., Bussière, B., Cyr, J., Fontaine, R. (2002) Auscultation et suivi du recouvrement multicouche construit au site minier Lorraine, Latulipe, Québec. Symposium 2002 sur l'environnement et les mines, Rouyn-Noranda. Défis & Perspectives : Symposium 2002 sur l'Environnement et les Mines, Rouyn-Noranda, 3-5 novembre 2002. Développement Économique Canada/Ministère des Ressources Naturelles du Québec/CIM. Comptes-rendus sur CD-ROM.

Bernier, L., Aubertin, M., Dagenais, A.-M., Bussière, B., Bienvenu, L., Cyr, J. (2001) Limestone Drain Design Criteria in AMD Passive Treatment : Theory, Practice and Hydrogeochemistry Monitoring at Lorraine Mine Site, Temiscamingue. CIM Minespace 2001 Annual meeting proceedings, technical paper n° 48. (

Dagenais, A.M., M., Aubertin, B., Bussière, L., Bernier, J. Cyr, Monitoring at the Lorraine mine site: a follow up on the remediation plan. 2001 national Association of Abandoned Mine Lands Annual Conference, August 19-22, 2001, Athens, Ohio.

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