iron ore cut off grade calculation

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

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Minerals | Iron Ore

Formula. % Fe. Hematite. Fe2O3. 69.9. Magnetite. Fe3O4. 74.2. Geothite / Limonite. HFeO2. ~ 63. Siderite. FeCO3. 48.2. Chamosite. (Mg,Fe,Al)6(Si,Al)414(OH)8. 29.61. Pyrite. FeS. 46.6 ... Low-grade ore is a term applied to iron-rich rocks with cut-off grades in the range of 25�30% Fe. It was the main supply of iron ore for...

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Forecasting Mining Economics - Simple Ore Value Calculation ...

Nov 10, 2016 ... Ore grade and tonnage are determined from sampling data obtained during sampling and the reserve calculation respectively. Grade/Ore Grade (g) – is defined as a ... Cut-off Grade (COG) – is the lowest possible grade that can be mined to recover mining cost. In other words the cut-off-grade ... Iron ore...

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Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price

Forecasting Mining Economics - Simple Ore Value Calculation ...

Nov 10, 2016 ... Ore grade and tonnage are determined from sampling data obtained during sampling and the reserve calculation respectively. Grade/Ore Grade (g) – is defined as a ... Cut-off Grade (COG) – is the lowest possible grade that can be mined to recover mining cost. In other words the cut-off-grade ... Iron ore...

Get Price

Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr. Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining. It is most commonly expressed as: Waste (tons) SR = Ore (tons) A wide variety of...

Get Price

Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr. Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining. It is most commonly expressed as: Waste (tons) SR = Ore (tons) A wide variety of...

Get Price

Effect of Indicator Kriging on Recoverable Ore Reserves of El-Gidida ...

efficiency of indicator kriging in estimating the recoverable ore reserves of the El-Gidida iron ore deposit above a certain cut-off grade. The recoverable ore reserves were estimated using the ordinary kriged model and the cumulative reserves were estimated without considering weighting factors. A comparison between.

Get Price

Influence of some economic parameters on cut-off grade and ore ...

Influence of some economic parameters on cut-off grade and ore reserve determination at Itakpe iron ore deposit, North central Nigeria. Nwosu J.I and *Nwankwoala H.O. Department of Geology, University of Port Harcourt, Nigeria. Accepted 26 June, 2012. Optimum determination of cut-off grade and ore reserve of a...

Get Price

Anglo American Kumba Iron Ore Reserves and Mineral Resources

Feb 28, 2014 ... defines a specific Kumba site''s Ore Reserves, as well as a resource shell that spatially envelops that portion of the iron ore considered to have RRPEEE. The economic parameters as discussed, in combination with cut-off grades (which consider existing beneficiation capabilities to meet product quality...

Get Price

Mineral Deposit Value - How to Calculate the Potential Value of a ...

To find out how I come up with the numbers 2,204.62262 and 34.2857 I recommend you to read the break even analysis page, on which I explained How to Calculate the Cut Off Grade.

Get Price

Minerals | Iron Ore

Formula. % Fe. Hematite. Fe2O3. 69.9. Magnetite. Fe3O4. 74.2. Geothite / Limonite. HFeO2. ~ 63. Siderite. FeCO3. 48.2. Chamosite. (Mg,Fe,Al)6(Si,Al)414(OH)8. 29.61. Pyrite. FeS. 46.6 ... Low-grade ore is a term applied to iron-rich rocks with cut-off grades in the range of 25�30% Fe. It was the main supply of iron ore for...

Get Price

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price

Published as: O. Mol and A.D.S. Gillies, Cut-off grade determination ...

Cutoff grade determination for mines producing direct- shipping iron ore by OMER MOL,'' Associate Member and A. D. STEWART GILLIES,Z Associate Member. ABSTRACT. A number of high grade ores such as iron are sold at defined marketing grade specifications. The tradilional cutoff grade theory can- not be used with...

Get Price

NEVADO Announces Over 100 Million Tonnes of High-Grade ...

May 23, 2012 ... NEVADO Announces Over 100 Million Tonnes of High-Grade Vanadium-Titanium-Iron Mineral Resources at Farrell-Taylor. - Inferred mineral resource of 101.7 million tonnes grading 0.33% V2O5, 18% TiO2 and 59.7% Fe2O3 (or 41.8% FeT), at a 5.1% TiO2 Equivalent cut-off grade. - Company plans to...

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Optimum cut-off grade''s calculation in open pit mines with regard to ...

Optimum cut-off grade''s calculation in open pit mines with regard to reducing the undesirable environmental impacts ... This study provides a model for determination of cut-off grades in open-pit mines. In this model, in addition to costs ... Keywords: cut-off grade, net present value, reclamation, income, cost, iron ore mines...

Get Price

UNIVERZITET U TUZLI

The calculation process of ore quantity, which is considered as geological resource, is quite complex and therefore for such cases the state of art software is being ... This paper deals with economical limitation of the ore meaning, it determines the equivalent of metal and the cutoff grade as dynamic size dictated from the...

Get Price

Ore Cut Off Grade Calculation

iron ore cut off grade calculation - 80-100TPH Stone … Feasibility Study Snapshot Indo Mines Limited At spot iron ore pricing and foreign exchange rates, the Iron Project has an IRR of ... boundary is mineralised with grades well above the calculated cut-off grade... More...

Get Price

Influence of some economic parameters on cut-off grade and ore ...

Influence of some economic parameters on cut-off grade and ore reserve determination at Itakpe iron ore deposit, North central Nigeria. Nwosu J.I and *Nwankwoala H.O. Department of Geology, University of Port Harcourt, Nigeria. Accepted 26 June, 2012. Optimum determination of cut-off grade and ore reserve of a...

Get Price

Mineral Deposit Value - How to Calculate the Potential Value of a ...

To find out how I come up with the numbers 2,204.62262 and 34.2857 I recommend you to read the break even analysis page, on which I explained How to Calculate the Cut Off Grade.

Get Price

Mineral Resource Estimation for Asteroid Mining Projects

to an ''Ore Reserve'' in which total tonnage and grade are above the economic cut-off and a speci- fied mining operation working on a specified min- ing plan, with a specified metallurgical flowsheet will be supported. Orebody Model: Note the key role of the. Orebody model as the basis for the estimation of ore reserves.

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Reserves & Resources - Zanaga Iron Ore

Notes: 1.Reported at a 0% Fe cut-off grade within an optimised Whittle shell representing a metal price of 130 USc/dmtu. 2. Mineral Resources are inclusive of Reserves. 3. In-situ dry bulk density has been calculated on the basis of mineralised material type. Densities presented in this table are weighted average values. 4.

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Minerals (Evidence of Mineral Contents)

Apr 17, 2015 ... not restricted to, mining, processing, end use, cut off grade, threshold value, metallurgical, infrastructure, economic, marketing, legal .... underground with bulk determination of grades & recovery wherever necessary at. G2 and G1 stage. IV. Float or Placer deposits: Iron, manganese ore float; Placer tin and...

Get Price

Geostatistical methods for estimating iron, silica and alumina grades ...

Geostatistical methods for estimating iron, silica and alumina grades within the hardcap of the section seven iron deposit,. Tom Price. ... Given good quality samples and assays as well as sound estimation parameters the ... smoothing with regard to the HG cut-off then Median IK should be used to identify areas which have a...

Get Price

Ore Cut Off Grade Calculation

iron ore cut off grade calculation - 80-100TPH Stone … Feasibility Study Snapshot Indo Mines Limited At spot iron ore pricing and foreign exchange rates, the Iron Project has an IRR of ... boundary is mineralised with grades well above the calculated cut-off grade... More...

Get Price

InZinc Mining Ltd. - Resource Estimate

Gross metal values (GMV) used for cutoff reporting were based on a zinc price of US$1/lb, a copper price of US$3/lb, an iron ore price of $105/tonne and an indium price of US$600/kg to determine the relative value of each metal. The magnetite price of $115/t ultimately used in the GMV calculation includes the expected...

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OPTIMIZING THE CUT OFF GRADE IN SARCHESHMEH COPPER ...

Their proposed model examined the role of deposit geometry in determination of optimal cut off grade. The use of block modeling in cut-off grade determination is significant, too [7]. The Lane model was also used considering the stockpile option [8]. The Lane Algorithm has been used to calculate the optimal cut off grade...

Get Price

Published as: O. Mol and A.D.S. Gillies, Cut-off grade determination ...

Cutoff grade determination for mines producing direct- shipping iron ore by OMER MOL,'' Associate Member and A. D. STEWART GILLIES,Z Associate Member. ABSTRACT. A number of high grade ores such as iron are sold at defined marketing grade specifications. The tradilional cutoff grade theory can- not be used with...

Get Price

Optimum cut-off grade''s calculation in open pit mines with regard to ...

Optimum cut-off grade''s calculation in open pit mines with regard to reducing the undesirable environmental impacts ... This study provides a model for determination of cut-off grades in open-pit mines. In this model, in addition to costs ... Keywords: cut-off grade, net present value, reclamation, income, cost, iron ore mines...

Get Price

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price

Minerals | Iron Ore

Formula. % Fe. Hematite. Fe2O3. 69.9. Magnetite. Fe3O4. 74.2. Geothite / Limonite. HFeO2. ~ 63. Siderite. FeCO3. 48.2. Chamosite. (Mg,Fe,Al)6(Si,Al)414(OH)8. 29.61. Pyrite. FeS. 46.6 ... Low-grade ore is a term applied to iron-rich rocks with cut-off grades in the range of 25�30% Fe. It was the main supply of iron ore for...

Get Price

Forecasting Mining Economics - Simple Ore Value Calculation ...

Nov 10, 2016 ... Ore grade and tonnage are determined from sampling data obtained during sampling and the reserve calculation respectively. Grade/Ore Grade (g) – is defined as a ... Cut-off Grade (COG) – is the lowest possible grade that can be mined to recover mining cost. In other words the cut-off-grade ... Iron ore...

Get Price

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price

Forecasting Mining Economics - Simple Ore Value Calculation ...

Nov 10, 2016 ... Ore grade and tonnage are determined from sampling data obtained during sampling and the reserve calculation respectively. Grade/Ore Grade (g) – is defined as a ... Cut-off Grade (COG) – is the lowest possible grade that can be mined to recover mining cost. In other words the cut-off-grade ... Iron ore...

Get Price

Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr. Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining. It is most commonly expressed as: Waste (tons) SR = Ore (tons) A wide variety of...

Get Price

Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr. Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining. It is most commonly expressed as: Waste (tons) SR = Ore (tons) A wide variety of...

Get Price

Effect of Indicator Kriging on Recoverable Ore Reserves of El-Gidida ...

efficiency of indicator kriging in estimating the recoverable ore reserves of the El-Gidida iron ore deposit above a certain cut-off grade. The recoverable ore reserves were estimated using the ordinary kriged model and the cumulative reserves were estimated without considering weighting factors. A comparison between.

Get Price

Influence of some economic parameters on cut-off grade and ore ...

Influence of some economic parameters on cut-off grade and ore reserve determination at Itakpe iron ore deposit, North central Nigeria. Nwosu J.I and *Nwankwoala H.O. Department of Geology, University of Port Harcourt, Nigeria. Accepted 26 June, 2012. Optimum determination of cut-off grade and ore reserve of a...

Get Price

Anglo American Kumba Iron Ore Reserves and Mineral Resources

Feb 28, 2014 ... defines a specific Kumba site''s Ore Reserves, as well as a resource shell that spatially envelops that portion of the iron ore considered to have RRPEEE. The economic parameters as discussed, in combination with cut-off grades (which consider existing beneficiation capabilities to meet product quality...

Get Price

Mineral Deposit Value - How to Calculate the Potential Value of a ...

To find out how I come up with the numbers 2,204.62262 and 34.2857 I recommend you to read the break even analysis page, on which I explained How to Calculate the Cut Off Grade.

Get Price

Minerals | Iron Ore

Formula. % Fe. Hematite. Fe2O3. 69.9. Magnetite. Fe3O4. 74.2. Geothite / Limonite. HFeO2. ~ 63. Siderite. FeCO3. 48.2. Chamosite. (Mg,Fe,Al)6(Si,Al)414(OH)8. 29.61. Pyrite. FeS. 46.6 ... Low-grade ore is a term applied to iron-rich rocks with cut-off grades in the range of 25�30% Fe. It was the main supply of iron ore for...

Get Price

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price

Published as: O. Mol and A.D.S. Gillies, Cut-off grade determination ...

Cutoff grade determination for mines producing direct- shipping iron ore by OMER MOL,'' Associate Member and A. D. STEWART GILLIES,Z Associate Member. ABSTRACT. A number of high grade ores such as iron are sold at defined marketing grade specifications. The tradilional cutoff grade theory can- not be used with...

Get Price

NEVADO Announces Over 100 Million Tonnes of High-Grade ...

May 23, 2012 ... NEVADO Announces Over 100 Million Tonnes of High-Grade Vanadium-Titanium-Iron Mineral Resources at Farrell-Taylor. - Inferred mineral resource of 101.7 million tonnes grading 0.33% V2O5, 18% TiO2 and 59.7% Fe2O3 (or 41.8% FeT), at a 5.1% TiO2 Equivalent cut-off grade. - Company plans to...

Get Price

Optimum cut-off grade''s calculation in open pit mines with regard to ...

Optimum cut-off grade''s calculation in open pit mines with regard to reducing the undesirable environmental impacts ... This study provides a model for determination of cut-off grades in open-pit mines. In this model, in addition to costs ... Keywords: cut-off grade, net present value, reclamation, income, cost, iron ore mines...

Get Price

UNIVERZITET U TUZLI

The calculation process of ore quantity, which is considered as geological resource, is quite complex and therefore for such cases the state of art software is being ... This paper deals with economical limitation of the ore meaning, it determines the equivalent of metal and the cutoff grade as dynamic size dictated from the...

Get Price

Ore Cut Off Grade Calculation

iron ore cut off grade calculation - 80-100TPH Stone … Feasibility Study Snapshot Indo Mines Limited At spot iron ore pricing and foreign exchange rates, the Iron Project has an IRR of ... boundary is mineralised with grades well above the calculated cut-off grade... More...

Get Price

Influence of some economic parameters on cut-off grade and ore ...

Influence of some economic parameters on cut-off grade and ore reserve determination at Itakpe iron ore deposit, North central Nigeria. Nwosu J.I and *Nwankwoala H.O. Department of Geology, University of Port Harcourt, Nigeria. Accepted 26 June, 2012. Optimum determination of cut-off grade and ore reserve of a...

Get Price

Mineral Deposit Value - How to Calculate the Potential Value of a ...

To find out how I come up with the numbers 2,204.62262 and 34.2857 I recommend you to read the break even analysis page, on which I explained How to Calculate the Cut Off Grade.

Get Price

Mineral Resource Estimation for Asteroid Mining Projects

to an ''Ore Reserve'' in which total tonnage and grade are above the economic cut-off and a speci- fied mining operation working on a specified min- ing plan, with a specified metallurgical flowsheet will be supported. Orebody Model: Note the key role of the. Orebody model as the basis for the estimation of ore reserves.

Get Price

Reserves & Resources - Zanaga Iron Ore

Notes: 1.Reported at a 0% Fe cut-off grade within an optimised Whittle shell representing a metal price of 130 USc/dmtu. 2. Mineral Resources are inclusive of Reserves. 3. In-situ dry bulk density has been calculated on the basis of mineralised material type. Densities presented in this table are weighted average values. 4.

Get Price

Minerals (Evidence of Mineral Contents)

Apr 17, 2015 ... not restricted to, mining, processing, end use, cut off grade, threshold value, metallurgical, infrastructure, economic, marketing, legal .... underground with bulk determination of grades & recovery wherever necessary at. G2 and G1 stage. IV. Float or Placer deposits: Iron, manganese ore float; Placer tin and...

Get Price

Geostatistical methods for estimating iron, silica and alumina grades ...

Geostatistical methods for estimating iron, silica and alumina grades within the hardcap of the section seven iron deposit,. Tom Price. ... Given good quality samples and assays as well as sound estimation parameters the ... smoothing with regard to the HG cut-off then Median IK should be used to identify areas which have a...

Get Price

Ore Cut Off Grade Calculation

iron ore cut off grade calculation - 80-100TPH Stone … Feasibility Study Snapshot Indo Mines Limited At spot iron ore pricing and foreign exchange rates, the Iron Project has an IRR of ... boundary is mineralised with grades well above the calculated cut-off grade... More...

Get Price

InZinc Mining Ltd. - Resource Estimate

Gross metal values (GMV) used for cutoff reporting were based on a zinc price of US$1/lb, a copper price of US$3/lb, an iron ore price of $105/tonne and an indium price of US$600/kg to determine the relative value of each metal. The magnetite price of $115/t ultimately used in the GMV calculation includes the expected...

Get Price

OPTIMIZING THE CUT OFF GRADE IN SARCHESHMEH COPPER ...

Their proposed model examined the role of deposit geometry in determination of optimal cut off grade. The use of block modeling in cut-off grade determination is significant, too [7]. The Lane model was also used considering the stockpile option [8]. The Lane Algorithm has been used to calculate the optimal cut off grade...

Get Price

Published as: O. Mol and A.D.S. Gillies, Cut-off grade determination ...

Cutoff grade determination for mines producing direct- shipping iron ore by OMER MOL,'' Associate Member and A. D. STEWART GILLIES,Z Associate Member. ABSTRACT. A number of high grade ores such as iron are sold at defined marketing grade specifications. The tradilional cutoff grade theory can- not be used with...

Get Price

Optimum cut-off grade''s calculation in open pit mines with regard to ...

Optimum cut-off grade''s calculation in open pit mines with regard to reducing the undesirable environmental impacts ... This study provides a model for determination of cut-off grades in open-pit mines. In this model, in addition to costs ... Keywords: cut-off grade, net present value, reclamation, income, cost, iron ore mines...

Get Price

Predicting the Concentration Characteristics of Itakpe Iron Ore for cut ...

ABSTRACT: Concentration characteristics of an ore are very critical to the estimation of cut-off grade of a deposit. A mathematical model that can lead to their quick prediction will significantly enhance ore reserve estimation, mine planning and the economy of the mining venture as a whole. In this paper attempts have been...

Get Price