grade control in a platinum mine

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Stillwater Mining Company Platinum and Palladium Mine ...

Platinum-group metals (pgms) occur in a layer averaging 2.4m thick, and are associated with pyrrhotite, chalcopyrite and pentlandite. As of end , the company’s total proven and probable ore reserves were 38.1Mt at a grade of 19.5g/t, containing 24.1Moz of palladium and platinum at an in-situ ratio of 3.5 to 1.

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Quantification of sampling uncertainties at grade control ...

Grade control sampling assay data is used routinely in conjunction with the geology of the ore to assign a destination for the ore (either to a stockpile or to the mill), based on its grade classification for the platinum mine. The classification of the grade for a particular mining block is …

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Platinum – Anglo American South Africa

Chris has over 19 years of mine management experience, during which time he was general manager of Anglo American Platinum Limited’s Amandelbult Platinum Mine and Bafokeng-Rasimone Platinum Mine. He has been with Anglo American for more than two decades. Chris holds a B Eng (Mining) Hons from the University of Pretoria.

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grade control in a platinum mine

 · Bokoni | Atlatsa Resources. Bokoni is an operating mine located on the north-eastern limb of the Bushveld … value with a 2:1 platinum:palladium ratio and has a high UG2 reserve grade of /t 4E.… a diciplined approach to orebody management and grade control. »More detailed

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Makwiro Platinum Mines

Makwiro Platinum Mines Implats Analyst Mine Visit July 2003 Welcome to Makwiro. 2 3 Programme 8 July 2003 16:00 Collected from Harare -Transported to Chengeta Lodge (1.5 hours) ... Grade control: steady improvement over past 12 months: 3.00g/t in Jan 02 to 3.25g/t Jan 03 onwards.

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3 Ways to Identify Quality in Platinum Rings

 · How to Identify Quality in Platinum Rings. Platinum is the high-quality standard for wedding bands, engagement rings, and other fine jewelry. Its durability, natural white-silver finish, and density make this rare metal desirable in rings...

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Makwiro Platinum Mines

Makwiro Platinum Mines Implats Analyst Mine Visit July 2003 Welcome to Makwiro. 2 3 Programme 8 July 2003 16:00 Collected from Harare -Transported to Chengeta Lodge (1.5 hours) ... Grade control: steady improvement over past 12 months: 3.00g/t in Jan 02 to 3.25g/t Jan 03 onwards.

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Top 10 Safety Hazards In Mining

Top 10 Safety Hazards In Mining – and how to control them. New article by Ruth Jenkins. See all of Ruth’s highly recommended safety articles here: Sina Solutions. Extract: I have been working in the mining industry since 1989. My journey has been an Interesting one and it’s hard to believe that I am now in my third decade in this mining ...

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OPEN-PIT MINING

Platinum Mine 58 SOUTH AFRICAN OPERATIONS. ... Both are quoted at the grade fed to the plant. Open cast Mineral Resources ... seam is up to 6m in thickness, of which 3.5m are mined, using a manganese marker zone for control.There is, therefore, minimum dilution.

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OPEN-PIT MINING

Platinum Mine 58 SOUTH AFRICAN OPERATIONS. ... Both are quoted at the grade fed to the plant. Open cast Mineral Resources ... seam is up to 6m in thickness, of which 3.5m are mined, using a manganese marker zone for control.There is, therefore, minimum dilution.

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Estimation of Open Cut Mining Recovery and Mining …

Estimation of Open Cut Mining Recovery and Mining Dilution By Kent Bannister, ARMIT, FAusIMM (CP), CEO Kent Bannister Pty Ltd, (KBPL) Summary Loss and dilution of Mineral Resource grade occurs during mining activities. Mining Recovery and Mining Dilution estimates are a required consideration in the reporting of Ore Reserves for mineral projects.

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MODELING BLAST MOVEMENT FOR GRADE CONTROL

mixing/dilution is a problem for grade control. Figure 1: Newmont Boddington Gold mine site location The outline of the paper is as follows. A description of the blast movement data provided by Newmont Boddington Gold is initially presented. The data includes: the ore control block model (OCM); blast movement monitoring (BMM) data;

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Mine call factor issues from a surface mine perspective ...

The concept is well known in underground mining scenarios and therefore this article highlights some MCF issues from a surface mine perspective using AngloGold Ashanti Iduapriem mine as a case study. The mine call factor (MCF) at AngloGold Ashanti Iduapriem Mine from 2006 to …

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Grade Control | SpringerLink

Abstract. In some mining operations, one of the most important roles played by the geologist is the supervision of grade control. In an open-pit operation, this involves the sampling of blast-hole cuttings produced by down-the-hole hammer drills and the classification of bench reserves into ore, low grade or waste material, or into various metallurgical types.

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Locations of Deposits

Additionally, reserve projections often underestimate the contents of the earth's crust because lower ore grade deposits may not be considered a reserve (World Nuclear Association, 2012). Demand for elements varies by element group (see Table 1) and the variety of strategic elements results in a similar variety of supply problems.

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INTRODUCTION TO MINING

mine,a hematite mine at Bomvu Ridge,Swaziland(Gregory,1980),is from the Old Stone Age and believed to be about 40,000 years old. Early miners employed crude methods of ground control,ventilation,haulage,hoisting, lighting,and rock breakage. Nonetheless,mines attained depths of 800 ft (250 m) by early Egyptian times.

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Platinum-Group Metals Statistics and Information

They regarded platinum as an unwanted impurity in the silver they were mining. The catalytic properties of the six platinum group metals (PGM)– iridium, osmium, palladium, platinum, rhodium, and ruthenium – are outstanding. Platinum's wear and tarnish resistance …

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1.1 PHASES OF A MINING PROJECT

1.1 PHASES OF A MINING PROJECT There are different phases of a mining project, ... sufficient grade, then the project proponent may begin to plan for the development of the mine. This phase of the mining project has several ... and platinum. The environmental

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ANGLO PLATINUM LIMITED CONCENTRATORS

ANGLO PLATINUM LIMITED CONCENTRATORS ANALYST AND FUND MANAGER VISIT . Location. Capacity 30 day month ... as primary control input Plant:Mine buffer Process Optimisation Plant surveys Circuit configuration- 2 concentrate & Cr 2O 3 ... • Grade/Recovery – matching with Smelter • Enhanced Technical Focus – Fit For Future.

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Geostokos Limited -

Stillwater Platinum Mine, Montana USA, grade control problems. Tilden Magnetite, Michigan USA, geostatistical modelling of geological zones and various economic variables. Pancontinental Mining, Western Australia, modelling and evaluation of shear-hosted gold deposits. MIMCO, RSA, evaluation of gold mine.

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Ore Grade Reconciliation Techniques – A Review

2 Improved Grade Control using RC Drilling at Mogalakwena Platinum Mine, South Africa Gabby Kirk 1, Trust Muzondo 2and Dirk Harney 3 1. Principal Mining Geologist, Anglo American PLC, 45 Main ...

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Platinum: The mineral native Platinum information and pictures

Platinum jewelry is rare, beautiful, and durable, and is therefore highly regarded. Native Platinum is the most significant source of the element platinum, although considerable quantities are also mined from the rare platinum arsenide mineral Sperrylite. The rare metals iridium, osmium, rhodium, and palladium are almost exclusively mined ...

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Froth flotation

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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Platinum – Anglo American South Africa

Chris has over 19 years of mine management experience, during which time he was general manager of Anglo American Platinum Limited’s Amandelbult Platinum Mine and Bafokeng-Rasimone Platinum Mine. He has been with Anglo American for more than two decades. Chris holds a B Eng (Mining) Hons from the University of Pretoria.

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ANGLO PLATINUM LIMITED CONCENTRATORS

ANGLO PLATINUM LIMITED CONCENTRATORS ANALYST AND FUND MANAGER VISIT . Location. Capacity 30 day month ... as primary control input Plant:Mine buffer Process Optimisation Plant surveys Circuit configuration- 2 concentrate & Cr 2O 3 ... • Grade/Recovery – matching with Smelter • Enhanced Technical Focus – Fit For Future.

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Reconciliation principles for the mining industry: Mining ...

The F3 factor is F1×F2 and enables a comparison of a mine’s (measured by mine) ability to recover the tonnage, grade and metal content estimated in ore reserves. The F1 factor measures the accuracy of orebody knowledge in the ore reserves to the demarcation of ore and waste by ore control …

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Mpho Leseyane

Grade Control Observer at Impala Platinum Mine South Africa Mining & Metals. Impala Platinum Mine. 5 connections. View Mpho Leseyane’s full profile. ... Grade Control Observer Impala Platinum Mine January 2006 – Present 13 years 8 months. Skills & Endorsements Join LinkedIn to see Mpho’s skills, endorsements, and full profile. View Mpho ...

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Microbiological Mining

In-place leaching is a promising technique for the recovery of metals from low-grade ores in inaccessible sites. This technology, which has minimal impact on the environment, is currently employed to extract residual minerals from abandoned mine workings and to recover uranium from low-grade deposits. To

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Improved Grade Control using Reverse Circulation Drilling ...

value in the mining value chain. Anglo American’s Mogalakwena Platinum mine, an open pit operation in South Africa moving 100 Mt/a, has recognised the value of improved material definition and is in the process of changing from blasthole to reverse circulation (RC) sampling for in-pit grade control…

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Pine Pienaar

Mine Call factor and Mineral Loss Consultant JCI March 1976 – 2013 37 years. South African Mining Industry. After retiring from Randfontein Estates as Evaluation Manager he has consulted on virtually all the gold and platinum mines in South Africa resolving grade related problems on these mines.

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