During the 10th year of the convention between CODELCO and the Ecole des Mines of Paris, effort has been made to promote the work done the last two years by attending four congresses in three countries (Chile, France, Germany), two presentations being made by engineers of Codelco.This anniversary report is presented as a catalog containing the papers and the relevant oral presentations with comments. This report is not confidential and can be distributed in the good will of managers and engineers. Topics are :1 Geostatistical comparison between blast and drill holes in a porphyry copper deposit (Sampling congress 2015, Bordeaux, France)2 Diamond Drill Holes, Blast Holes & Cokriging (Mine-Planning 2015, Antofagasta, Chile)3 Anisotropy of the Rock Quality Designation (RQD) & its Geostatistical Evaluation (Geomin 2015, Antofagasta, Chile)4 Geostatistical Evaluation of Rock-Quality Designation and its link with Linear Fracture Frequency (IAMG 2015, Freiberg, Germany)5 Breccia Pipe Prediction: a new approach using non-stationary covariance (IAMG 2015, Freiberg, Germany
