This technical letter presents two conceptual options for transitioning from conventional slurry deposition for Non-Potentially Acid Generating (NPAG) scavenger tailings (in early years) to filtered tailings (in later years) for the proposed Skunk Camp Site.
Enclosed is the Proposed Resource Management Plan Amendments (RMPAs)/Final Supplemental Environmental Impact Statement (Final SEIS) for the Ray Land Exchange.
Gila conglomerate has been identified as the primary cover material for the proposed Skunk Camp tailings storage facility (TSF) at the Resolution Copper Project and Land Exchange.
The purpose of this process memorandum is to explore the factual basis for these comments and determine if they warrant changes to the assumptions used in the DEIS analysis.
Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.
The process of updating the Pinal model geology was begun in 2007, and had not been addressed since Modeling Report No. 2 (Corkhill and Hill, 1990). The purpose of this provisional report is to document the data collection activities and findings of the hydrogeologic framework of the study area. This report will be finalized after the Pinal Active Management Area (AMA) Regional Groundwater Flow Model report which documents the update and recalibration of the groundwater flow model in Pinal County have been completed.
