(3) a logbook indicating, for each of the holes, including the dual holes for inspection:(a) the identification of the hole, the altitude of the collar, the diameter of the hole, its depth, the survey methods used, its direction, the angle measures carried out and the method used, the presence of the casing and the rectangular UTM coordinates (Universal Transverse Mercator) and the zone, enabling to locate the test hole, defined according to the North American Datum 1927 (NAD27), and its system of geodesic coordinates, or according to the North American Datum 1983 (NAD83), and its system of geodesic coordinates in effect, in compliance with the National Topographic System of Canada (NTS);
(b) the depth and nature of overburden penetrated, the consecutive depths of intersection of the various rocks or varieties of the same rock, the mineralogical and structural information, alterations and, where applicable, the nature, distribution and abundance of mineralization;
(c) where applicable, the recording of the lost intervals or partial recovery, or the recording of intervals contaminated by crumbling walls;
(d) the depth and length of each of the sections analysed, the results obtained from the analyses and the verification results for the analyses;
(e) the tridimensional orientation method of the drill-hole used and the results of the measures and verifications carried out;
(f) the storage site of the drill-hole cores or samples of percussion drilling or reverse circulation.