Canadian Environmental Agence canadienne Assessment Agency d’évaluation environnementale KSM (Kerr-Sulphurets-Mitchell) Project Comprehensive Study Report July 2014 Cover photo credited to Seabridge Gold Inc. © Her Majesty the Queen in Right of Canada (2014). This publication may be reproduced for personal use without permission, provided the source is fully acknowledged. However, multiple copy reproduction of this publication in whole or in part for purposes of distribution requires the prior written permission of the Minister of Public Works and Government Services Canada, Ottawa, Ontario. To request permission, contact
[email protected]. Catalogue No.: En106-130/2014E ISBN: 978-1-100-24605-5 This document has been issued in French under the title: Projet KSM (Kerr-Sulphurets-Mitchell) : rapport d'étude approfondie Alternative formats may be requested by contacting
[email protected] Executive Summary Seabridge Gold Inc., (the proponent) proposes to the environmental effects on the Nisga’a Nation develop a gold, copper, silver, and molybdenum and the effects of the project on the existing and mine (the Project), spanning the Unuk and Bell- future economic, social, and cultural well-being Irving watersheds approximately 65 km northwest of Nisga’a citizens, as set out in the Nisga’a Final of Stewart, British Columbia (BC). The Project Agreement (NFA), were assessed as part of the is expected to have an average ore extraction rate Environmental Assessment (EA). of approximately 130 000 tonnes per day over an anticipated 52-year mine life. Ore would be mined The potential environmental effects of greatest by a combination of open pit and underground concern identified during the environmental mining methods from four mineral deposits: the assessment include: Mitchell, Sulphurets, Kerr, and Iron Cap deposits.