to estimate this resource, as well as the Mineral Resources to support interpretation of this information. declaration of a Mineral Reserve. Exploration Targets must be excluded Exploration Targets and Inferred   from economic evaluations. Mineral Resources must be excluded from demonstration of economic If Inferred Mineral Resources are used  viability to support declaration of a in economic evaluations, this should Mineral Reserve. be disclosed. Discussion of the level of confidence   Reconciliation with previous Mineral in the Modifying Factors. Resource estimates. Uncertainty in Modifying factors may A conceptual analysis to justify   reduce conversion of all or part of the reasonable prospects for eventual Measured Mineral Resources to a economic extraction Probable Mineral Reserve.  Reconciliation with previous Reserve estimates. Discussion of uncertainty of Determine work programs to upgrade 2. Risks and Opportunity expressed as    geological boundary assumptions and Probable Mineral Reserves to Proven Opportunities Exploration Target ranges of their risk and opportunity for overall Mineral Reserves. tonnages and grades. Mineral Resource estimates. Address uncertainties on the tonnage  and grade of production increments. Determine work programs to upgrade  classification or increase resources. E. Extraction 1. Mining a. Method  See Exploration Information.  Mining method(s), mine plans and Description of any Modifying  production schedules defined for the Factors that could have a Discussion of mining method to be  life of the project. significant impact on the project used, and selective mining criteria assumed that supports the estimated Description and justification of mining viability.  resource. method(s) to be used. Discussion of the dilution implicit in Discussion of mining rate, equipment   the resource selected, ore control methods, geotechnical and hydrogeological considerations, staffing requirements,
to estimate this resource, as well as the interpretation of this information.  Exploration Targets must be excluded from economic evaluations.  If Inferred Mineral Resources are used in economic evaluations, this should be disclosed.  Reconciliation with previous Mineral Resource estimates.  A conceptual analysis to justify reasonable prospects for eventual economic extraction Mineral Resources to support declaration of a Mineral Reserve.  Exploration Targets and Inferred Mineral Resources must be excluded from demonstration of economic viability to support declaration of a Mineral Reserve.  Discussion of the level of confidence in the Modifying Factors.  Uncertainty in Modifying factors may reduce conversion of all or part of the Measured Mineral Resources to a Probable Mineral Reserve.  Reconciliation with previous Reserve estimates. 2. Risks and Opportunities  Opportunity expressed as Exploration Target ranges of tonnages and grades.  Discussion of uncertainty of geological boundary assumptions and their risk and opportunity for overall Mineral Resource estimates.  Address uncertainties on the tonnage and grade of production increments.  Determine work programs to upgrade classification or increase resources.  Determine work programs to upgrade Probable Mineral Reserves to Proven Mineral Reserves. E. Extraction 1. Mining a. Method  Description of any Modifying Factors that could have a significant impact on the project viability.  See Exploration Information.  Discussion of mining method to be used, and selective mining criteria assumed that supports the estimated resource.  Discussion of the dilution implicit in the resource  Mining method(s), mine plans and production schedules defined for the life of the project.  Description and justification of mining method(s) to be used.  Discussion of mining rate, equipment selected, ore control methods, geotechnical and hydrogeological considerations, staffing requirements,
SME_Guide_20Aug2017.docx