Approved Plan - EXE230029

            Abbreviations Used in Defect Description
                                                        Symbol
              Cored Borehole Log Column               Abbreviation     Description

              Point Load Strength Index                   0.6         Axial point load strength index test result (MPa)

                                                         x 0.6         Diametral point load strength index test result (MPa)

              Defect Details      – Type                  Be           Parting – bedding or cleavage
                                                          CS           Clay seam
                                                           Cr          Crushed/sheared seam or zone
                                                           J           Joint
                                                           Jh          Healed joint
                                                           Ji          Incipient joint
                                                         XWS           Extremely weathered seam

                                  – Orientation         Degrees        Defect orientation is measured relative to normal to the core axis
                                                                       (ie. relative to the horizontal for a vertical borehole)
                                  – Shape                  P           Planar
                                                           C           Curved
                                                          Un           Undulating
                                                           St          Stepped
                                                           Ir          Irregular

                                  – Roughness             Vr           Very rough
                                                           R           Rough
                                                           S           Smooth
                                                          Po           Polished
                                                           Sl          Slickensided

                                  – Infill Material       Ca           Calcite
                                                          Cb           Carbonaceous
                                                          Clay         Clay
                                                          Fe           Iron
                                                          Qz           Quartz
                                                          Py           Pyrite

                                  – Coatings              Cn           Clean
                                                          Sn           Stained – no visible coating, surface is discoloured
                                                          Vn           Veneer – visible, too thin to measure, may be patchy
                                                           Ct          Coating  1mm thick
                                                         Filled        Coating > 1mm thick

                                  – Thickness            mm.t          Defect thickness measured in millimetres




            February 2019                                         11



Document Set ID: 22532435
Version: 1, Version Date: 07/08/2023