OFR-50(4)-75 Evaluation Of Mill Tailings Disposal Practices And Potential Dam Stability Problems In Southwestern United States - V. 4 - Investigation Report. Kennecott Copper Corporation Chino Leaching Dump Santa Rita, New Mexico

This report presents the results of a study of Kennecott Copper Corporation?s Chino leaching dump at Santa Rita, N. Mex. The stability studies described herein were performed on only one cross section of the leach dump, utilizing data obtained from drilling, sampling, and testing, which was limited in nature. The first part of the report contains a discussion of site geology and seismicity, pertinent information on the waste material disposal system and leaching method, a discussion of the waste embankment characteristics, a summary of the engineering analyses, and a bibliography. The second part (appendices) contains basic geologic and engineering data supporting the discussions in the first part.