A method of recovering free milling gold from a gold-containing feed material that includes processing at least a part of a tailings stream from a flotation element in a size separation element and producing a fines stream and a coarse stream. The method also includes recovering free milling gold from at least one of the fines stream and the coarse stream.
An open pit mine and a mining method are disclosed. The mine comprises a mine pit defined by a pit wall 31, with a target area 29 of the pit wall including a plurality of batters 23 separated by berms 51 and a civil engineering support system for the pit wall. The civil engineering support system makes it possible for the pit wall to have a pit wall slope angle that is greater than would have been possible for safe mining without the civil engineering support system.
A process and a plant for recovering valuable material in the form of gold and/or copper from sulphide ore systems that includes an Accurate Rock Breakage System (“ARBS”) circuit.
A method of underground mining, such as block cave mining, a material that can selectively deliver material with the highest economic value to a minerals processing plant. The method comprises (a) predicting or measuring directly or indirectly a grade of a valuable metal, such as gold or copper, in material from one or more extraction points, (b) selecting a processing option for the material from the extraction points based on an "economic value" of the material, and (c) transferring the material to the selected processing option.
An underground mine includes a production level (9) that includes one or more extraction points (27) for rock extraction and a haul route from the extraction point(s) to a dump point (17). The underground mine also includes a dynamic electrical energy transfer assembly (37) located in the mine for directly powering electric motors of electric-powered mine vehicles (29), such as electric- powered haul vehicles, and/or charging batteries of electric-powered mine vehicles as they move through the mine.
E21C 41/22 - Methods of underground miningLayouts therefor for ores, e.g. mining placers
B60L 5/38 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
B60L 5/40 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from lines in slotted conduits
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
E21F 13/06 - Transport specially adapted to underground conditions at or adjacent to the working face
E21F 13/08 - Shifting conveyors or other transport devices from one location at the working face to another
E21F 17/06 - Distributing electric powerCable networksConduits for cables
G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations
G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
G01S 11/16 - Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electromagnetic and sonic waves
A method and a mine for in situ recovery of a valuable metal from a hard rock ore body reserve is disclosed. Resource definition holes that were drilled as part of a resource definition program are used as production holes. The resource definition holes are located over all or at least a substantial part of an area of the reserve. The method includes injecting a leach liquor into a plurality of the resource definition holes. The leach liquor penetrates the rock mass surrounding the resource definition holes and dissolves the valuable metal. The depleted leach liquor that contains the valuable metal is removed via the same or another plurality of the resource definition holes for downstream recovery of the valuable metal. As a consequence, there is leaching of at least a substantial part of the rock mass in the reserve at the same time.
A method of processing a mined ore that contains a valuable metal includes producing a coarse concentrate in a coarse flotation unit (17) in one or more than one "non-hub" mine (1) and transporting the coarse concentrate to a "hub" mine (81) and processing the coarse concentrate in a minerals processing plant at the hub mine and producing a valuable metal-containing marketable product. The tailings produced at the non-hub mine(s) are free-draining coarse tailings.
Methods of hydraulic fracturing a rock mass as part of a method of establishing a block cave mine or extending an existing block cave mine includes (a) drilling a plurality of holes downwardly into the rock mass using drill rig equipment positioned on the ground above a proposed or existing block cave mine; and (b) injecting a hydraulic fracturing fluid into the drilled holes from above-ground hydraulic fracturing equipment and inducing fractures in the rock mass. A hydraulic fracturing equipment installation located above-ground drills a plurality of holes downwardly into the rock mass and injects a hydraulic fracturing fluid into the drilled holes and induces fractures in the rock mass. A non-metallic casing for drilled holes is also disclosed.
E21C 37/12 - Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
E21C 41/16 - Methods of underground miningLayouts therefor
A method of recovering free milling gold from a gold-containing feed material that includes processing at least a part of a tailings stream from a flotation element in a size separation element and producing a fines stream and a coarse stream. The method also includes recovering free milling gold from at least one of the fines stream and the coarse stream.
A method of recovering free milling gold from a gold-containing feed material that includes processing at least a part of a tailings stream from a flotation element in a size separation element and producing a fines stream and a coarse stream. The method also includes recovering free milling gold from at least one of the fines stream and the coarse stream.
A method of fracturing and cooling a rock mass includes injecting a cryogenic fluid into a hole in a floor of a pit in a mine, with the cryogenic fluid fracturing a rock mass surrounding the hole and cooling the surrounding rock mass via heat exchange with the rock mass.
A block cave has a draw column height of at least 450 m, a caved volume, a single extraction level and noundercut level, a plurality of drawbells extending upwardly from the extraction level to the caved volume, and a plurality of pillars separating the drawbells and supporting the rock mass above the extraction level. Each drawbell has a drawbell height of at least 25 m. Each drawbell has the following profile when viewed from a direction perpendicular to a drawbell drive in the extraction level: a throat section having opposed parallel side walls extending upwardly from the extraction level, a tapered section above the throat section, and an undercut section above the tapered section.
A method of processing a gold-containing ore that contains reactive sulphide minerals that includes selecting processing conditions to optimize liberating gold in reactive sulphide minerals and processing the ore in accordance with the selected processing conditions and liberating gold in the reactive sulphide minerals. In other words, when there are reactive sulphide minerals and “barren” minerals in an ore, the invention focuses on liberating gold in the reactive sulphide minerals only.
A process and a plant for recovering valuable material in the form of gold and/or copper from sulphide ore systems that includes an Accurate Rock Breakage System ("ARBS") circuit.
A process and a plant for recovering valuable material in the form of gold and/or copper from sulphide ore systems that includes an Accurate Rock Breakage System ("ARBS") circuit.
An assembly (7) for triggering an explosive in a hole (9) to produce an explosive blast in the hole includes (a) an explosion trigger (15, 19) for triggering the explosive in the hole, (b) a detonation unit body (21) that is configured to be located at or proximate an open end of the hole in an initial position of the assembly in the hole and (c) a trigger cord (31) that is connected to the detonation unit body and to the explosion trigger.
40 - Treatment of materials; recycling, air and water treatment,
14 - Precious metals and their alloys; jewelry; time-keeping instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Mining services, namely, metal tempering of metals and metal ores; mining services, namely, refining of metals, metal ores, mineral and mineral sands; mining services, namely,. treatment of metals and metal ores, minerals and mineral sands Precious metals and alloys thereof, including gold and alloys thereof Mining services, namely, mining extraction services for the mining of metals, metal ores, minerals and mineral sands; mining extraction services, namely, drilling services for the mining of metals, metal ores, minerals and mineral sands; quarrying services; and consulting services relating to all the aforementioned services Exploration of precious metals, base metals and mineral sands
40 - Treatment of materials; recycling, air and water treatment,
14 - Precious metals and their alloys; jewelry; time-keeping instruments
35 - Advertising and business services
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Mining services, namely, metal tempering of metals and metal ores; mining services, namely, refining of metals, metal ores, mineral and mineral sands; mining services, namely,. treatment of metals and metal ores, minerals and mineral sands Precious metals and alloys thereof, including gold and alloys thereof Export agency services for the goods of others, namely, exportation of base metals and mineral sands Mining services, namely, mining extraction services for the mining of metals, metal ores, minerals and mineral sands; mining extraction services, namely, drilling services for the mining of metals, metal ores, minerals and mineral sands; quarrying services; and consulting services relating to all the aforementioned services Exploration of precious metals, base metals and mineral sands
A method of recovering gold and copper from a sulfide ore includes (a) removing valuable fines from a product stream from a comminution circuit, such as a crushing and milling circuit, for run of mine ore and producing a valuable fines concentrate stream and (b) processing the remaining comminution product stream after valuable fines removal and producing a valuable coarse concentrate stream.
A method of recovering gold from gold-containing sulphide minerals in an ore that has a recovery-oxidation curve in a graph of % recovery of gold versus % oxidation of the minerals that has a slope of less than 1:1 in a higher % oxidation part of the curve, includes operating at least one oxidation unit to achieve a target % oxidation for sulphur in the ore that is in a higher oxidation part of the curve and producing an output having liberated gold as a consequence of sulphur oxidation in the oxidation unit and allowing variations of the % oxidation in the oxidation unit during the method.
A hydraulic fracturing equipment installation located above-ground drills a plurality of holes downwardly into the rock mass and injects a hydraulic fracturing fluid into the drilled holes and induces fractures in the rock mass. A non-metallic casing for drilled holes is also disclosed.
E21B 43/10 - Setting of casings, screens or liners in wells
E21C 37/06 - Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
E21C 37/12 - Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
E21C 41/16 - Methods of underground miningLayouts therefor
E21C 45/04 - Means for generating pulsating fluid jets by use of highly pressurised liquid
F16L 47/06 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
A hydraulic fracturing equipment installation located above-ground drills a plurality of holes downwardly into the rock mass and injects a hydraulic fracturing fluid into the drilled holes and induces fractures in the rock mass. A non-metallic casing for drilled holes is also disclosed.
E21C 37/12 - Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
E21C 37/06 - Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
E21C 41/16 - Methods of underground miningLayouts therefor
E21C 45/04 - Means for generating pulsating fluid jets by use of highly pressurised liquid
E21B 43/10 - Setting of casings, screens or liners in wells
F16L 47/06 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
A block cave has a draw column height of at least 450 m, a caved volume, a single extraction level and noundercut level, a plurality of drawbells extending upwardly from the extraction level to the caved volume, and a plurality of pillars separating the drawbells and supporting the rock mass above the extraction level. Each drawbell has a drawbell height of at least 25 m. Each drawbell has the following profile when viewed from a direction perpendicular to a drawbell drive in the extraction level: a throat section having opposed parallel side walls extending upwardly from the extraction level, a tapered section above the throat section, and an undercut section above the tapered section.
A block cave has a draw column height of at least 450 m, a caved volume, a single extraction level and noundercut level, a plurality of drawbells extending upwardly from the extraction level to the caved volume, and a plurality of pillars separating the drawbells and supporting the rock mass above the extraction level. Each drawbell has a drawbell height of at least 25 m. Each drawbell has the following profile when viewed from a direction perpendicular to a drawbell drive in the extraction level: a throat section having opposed parallel side walls extending upwardly from the extraction level, a tapered section above the throat section, and an undercut section above the tapered section.
A block cave has a draw column height of at least 450 meters, a caved volume, a single extraction level and no undercut level, a plurality of drawbells extending upwardly from the extraction level to the caved volume, and a plurality of pillars separating the drawbells and supporting the rock mass above the extraction level. Each drawbell has a drawbell height of at least 25 meters. Each drawbell has the following profile when viewed from a direction perpendicular to a drawbell drive in the extraction level: a throat section having opposed parallel side walls extending upwardly from the extraction level, a tapered section above the throat section, and an undercut section above the tapered section.
A method of recovering gold and copper from a sulfide ore includes (a) removing valuable fines from a product stream from a comminution circuit, such as a crushing and milling circuit, for run of mine ore and producing a valuable fines concentrate stream and (b) processing the remaining comminution product stream after valuable fines removal and producing a valuable coarse concentrate stream.
A method of processing a gold-containing ore that contains reactive sulphide minerals that includes selecting processing conditions to optimize liberating gold in reactive sulphide minerals and processing the ore in accordance with the selected processing conditions and liberating gold in the reactive sulphide minerals. In other words, when there are reactive sulphide minerals and "barren" minerals in an ore, the invention focuses on liberating gold in the reactive sulphide minerals only.
G01N 31/12 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using combustion
A method of processing a gold-containing ore that contains reactive sulphide minerals that includes selecting processing conditions to optimize liberating gold in reactive sulphide minerals and processing the ore in accordance with the selected processing conditions and liberating gold in the reactive sulphide minerals. In other words, when there are reactive sulphide minerals and "barren" minerals in an ore, the invention focuses on liberating gold in the reactive sulphide minerals only.
G01N 31/12 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using combustion
An assembly (7) for triggering an explosive in a hole (9) to produce an explosive blast in the hole includes (a) an explosion trigger (15, 19) for triggering the explosive in the hole, (b) a detonation unit body (21) that is configured to be located at or proximate an open end of the hole in an initial position of the assembly in the hole and (c) a trigger cord (31) that is connected to the detonation unit body and to the explosion trigger.
A method of recovering gold from gold-containing sulphide minerals in an ore that has a recovery-oxidation curve in a graph of % recovery of gold versus % oxidation of the minerals that has a slope of less than 1:1 in a higher % oxidation part of the curve, includes operating at least one oxidation unit to achieve a target % oxidation for sulphur in the ore that is in a higher oxidation part of the curve and producing an output having liberated gold as a consequence of sulphur oxidation in the oxidation unit and allowing variations of the % oxidation in the oxidation unit during the method.
A method of recovering gold from gold-containing sulphide minerals in an ore that has a recovery-oxidation curve in a graph of % recovery of gold versus % oxidation of the minerals that has a slope of less than 1:1 in a higher % oxidation part of the curve, includes operating at least one oxidation unit to achieve a target % oxidation for sulphur in the ore that is in a higher oxidation part of the curve and producing an output having liberated gold as a consequence of sulphur oxidation in the oxidation unit and allowing variations of the % oxidation in the oxidation unit during the method.
A method of recovering gold and copper from a sulphide ore includes (a) removing valuable fines from a product stream from a comminution circuit, such as a crushing and milling circuit, for run of mine ore and producing a valuable fines concentrate stream and (b) processing the remaining comminution product stream after valuable fines removal and producing a valuable coarse concentrate stream.
A method of recovering gold and copper from a sulphide ore includes (a) removing valuable fines from a product stream from a comminution circuit, such as a crushing and milling circuit, for run of mine ore and producing a valuable fines concentrate stream and (b) processing the remaining comminution product stream after valuable fines removal and producing a valuable coarse concentrate stream.
An explosives delivery vehicle for delivering a booster (65) for initiating an explosion of an explosive material in a hole (90) in a floor (91) of a mine pit to an operative depth in the hole. The vehicle comprises a storage assembly (10) for storing a plurality of the boosters, a booster loading assembly (30) for (i) supporting the booster in a delivery position above the hole and (ii) moving the booster downwardly into the hole and inserting the booster at an operative depth in the hole; and a delivery assembly (20) for transporting the booster from the storage assembly to the loading assembly.
A booster assembly (60) for use in a drill and blast operation comprises in co- axial alignment: (a) a booster (65) for initiating an explosion of an explosives material in a hole (90) in a pit floor (91) as part of a drill and blast operation, (b) a spool (63) and a detonation cord (66) wrapped around the spool in a storage position outside the hole and connected to the spool and to the booster, and (b) a stake (61). The spool allows the detonation cord to be unwound from the spool as the booster is moved from the storage position to an operative depth in the hole and the spool remains in the storage position. The stake is provided for locating the spool in the pit floor proximate the hole after the booster is at the operative depth in the hole.
A mine and a mining method for an open pit mine operate with drill rigs, down- hole measurement vehicles, explosives delivery vehicles, and initiation system vehicles that can be operated by personnel in vehicle cabins or tele-remotely or can be operated autonomously so that it is not necessary for any mining personnel to walk on the pit floor.
06 - Common metals and ores; objects made of metal
14 - Precious metals and their alloys; jewelry; time-keeping instruments
35 - Advertising and business services
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Common metals and base metals and their alloys; metal ores, and precious metal concentrates namely gold concentrates and silver concentrates
(2) Precious metals and alloys thereof, namely, gold and alloys thereof; jewellery, precious stones; chronometers
(3) Precious metals and alloys thereof, including gold and alloys thereof (1) Advertising the goods and services of others, business management, business administration and office functions in the fields of the mining industry, the management and operation of mining sites, and exportation agency services of the goods of others; exportation of common metals, base metals, precious metals, and their alloys, and minerals and mineral sands
(2) Exportation agency services for the goods of others, namely, exportation of common metals, base metals, precious metals and mineral sands
(3) Building construction; repair and installation of mining machines; mining services, namely, mining extraction services for the mining of metals, metal ores, minerals and mineral sands, mining extraction services, namely, drilling services for the mining of metals, metal ores, minerals and mineral stands, quarrying services, and consulting services relating to all the aforementioned services
(4) Heat treatment of metals and metal ores, minerals and mineral sands; mining services, namely, metal tempering of metals and metal ores, mining services, namely, refining of metals, metal ores, mineral and mineral sands, mining services, namely, treatment of metals and metal ores, minerals and mineral sands
(5) Mining services, namely, refining and tempering metals, metal ores, mineral and mineral sands
(6) Scientific, engineering and technological services and research and design relating thereto, namely, engineering services and scientific research services, industrial analysis and research services, namely, scientific research and engineering services, metallurgical testing services, design and development of computer hardware and software, all of the foregoing services in the fields of the mining industry and metal and mineral processing and refining; exploration of precious metals, common metals, base metals, metal ores, minerals and mineral sands
(7) Exploration of precious metals, and exploration and exportation agency services of base metals and mineral sands
06 - Common metals and ores; objects made of metal
14 - Precious metals and their alloys; jewelry; time-keeping instruments
35 - Advertising and business services
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Common metals and base metals and their alloys; metal ores, and precious metal concentrates namely gold concentrates and silver concentrates.
(2) Precious metals and alloys thereof, namely, gold and alloys thereof; jewellery, precious stones; chronometers.
(3) Precious metals and alloys thereof, including gold and alloys thereof. (1) Advertising the goods and services of others, business management, business administration and office functions in the fields of the mining industry, the management and operation of mining sites, and exportation agency services of the goods of others; exportation of common metals, base metals, precious metals, and their alloys, and minerals and mineral sands; exportation agency services for the goods of others, namely, exportation of common metals, base metals, precious metals and mineral sands.
(2) Building construction; repair and installation of mining machines; mining services, namely, mining extraction services for the mining of metals, metal ores, minerals and mineral sands, mining extraction services, namely, drilling services for the mining of metals, metal ores, minerals and mineral stands, quarrying services, and consulting services relating to all the aforementioned services.
(3) Heat treatment of metals and metal ores, minerals and mineral sands; mining services, namely, metal tempering of metals and metal ores, mining services, namely, refining of metals, metal ores, mineral and mineral sands, mining services, namely, treatment of metals and metal ores, minerals and mineral sands.
(4) Mining services, namely, refining and tempering metals, metal ores, mineral and mineral sands.
(5) Scientific, engineering and technological services and research and design relating thereto, namely, engineering services and scientific research services, industrial analysis and research services, namely, scientific research and engineering services, metallurgical testing services, design and development of computer hardware and software, all of the foregoing services in the fields of the mining industry and metal and mineral processing and refining; exploration of precious metals, common metals, base metals, metal ores, minerals and mineral sands.
(6) Exploration of precious metals, and exploration and exportation agency services of base metals and mineral sands.
