Resolution Copper Project and Land Exchange Environmental Impact Statement

BGC Engineering

Assessment of Surface Faulting Investigations at the Skunk Camp TSF Location

This memorandum provides a background of relevant state regulations and guidelines for assessing fault-related geohazards around tailings facilities, summarizes published geological mapping around the Skunk Camp TSF site, evaluates the Project’s assessments of Quaternary faulting, and provides recommendations to fill key knowledge gaps.

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Review of Numerical Groundwater Model Construction and Approach (Mining and Subsidence Area)

This technical memo summarizes the evaluation of the model construction and approach for the groundwater model used to evaluate future groundwater conditions at and surrounding the proposed Resolution Copper panel cave mine. The groundwater model does not consider impacts from the future tailings facility or water supply pumping over 5 miles distant from the site.

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Hydrologic Model Results for DEIS Alternatives

This memorandum has been prepared to document hydrologic analyses completed for the DEIS alternatives.

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Mining-Induced Seismicity: Causes and Possible Impacts

This internal draft memorandum provides a summary of mining-induced seismicity as it may relate to the Resolution Copper Project block-caving mine currently proposed near Superior, Arizona. This document includes a brief discussion of the causes, mechanisms, and occurrences of induced seismicity, particularly as it relates to the proposed mine and possible impacts from the proposed mining activities.

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