Related by context. Frequent words. (Click for all words.) 61 adits 54 stope 54 epithermal veins 54 shafts 54 breccia pipes 54 vertical shaft 53 jasperoid 53 conductive zones 53 graben 52 stockwork zones 52 stopes 52 orebodies 52 en echelon 52 heap leach pads 52 underground workings 52 clasts 52 breccia pipe 52 infill holes 52 sandstone reservoirs 52 Mineralization occurs 52 porphyries 52 mineralized veins 52 adit 51 sulphide zones 51 massive sulfides 51 shaft 51 calcrete 51 tightly spaced 51 Widths 51 crosscuts 51 mine shafts 51 hangingwall 51 lava tubes 51 ventilation shafts 51 rockface 51 mineralized horizons 51 EM conductors 51 intermediate casing 51 mineralized lenses 51 alluvium 50 mudstones 50 talus 50 magma chamber 50 mafic volcanic rocks 50 UG2 50 alluvial deposits 50 auger drilling 50 gravity anomalies 50 Candelilla 50 andesitic 50 stratiform 50 seismically defined 50 tiebacks 50 previously undrilled 50 stalactite 50 ceiling joists 50 elevator shafts 50 siltstones 50 breccia zones 50 stockwork zone 50 quartz carbonate veins 49 pilasters 49 tunnels dug 49 tunnels 49 heap leach pad 49 bearing quartz veins 49 mineralization occurs 49 vuggy silica 49 mafic volcanics 49 Ming Mine 49 drill rigs 49 headframe 49 El Compas 49 rock outcrops 48 shear zones 48 Guanajuato Mine 48 shallower depths 48 EM anomalies 48 coal seams 48 lithologic 48 limestone formations 48 kaolinite 48 weakly mineralized 48 Goldex 48 limestones 48 caverns 48 artisanal workings 48 Lac Herbin 48 grouted 48 hydrothermal breccias 48 quay wall 48 Filo de Oro 48 geotechnical drilling 48 mezzanines 48 injection wells 48 anomalous zones 48 granitic rocks 48 mine workings 48 potentially mineable 48 kimberlite pipes 48 sulphide bearing