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A REVIEW OF PIT LIMIT OF ITAKPE IRON ORE DEPOSIT, …

The National Iron ore mining company Itakpe, is an organization saddled with the responsibility of mining Itakpe iron ore deposit in Nigeria. The deposit consists of 25 ore layers varying in grade from 14%Fe – 41%Fe. It is made up of two limbs: east limb and west limb. Analysis by Nwosu and

Re-examination of Itakpe iron ore deposit for reserve …

This paper re-examines the Itakpe iron ore deposit using geostatistics and artificial neural network techniques and develops ordinary kriging (OK) model that …

(PDF) The genesis of the banded iron ore deposits of Itakpe area, Kwara

These deposits are classified as Itakpe type. The iron-rich rocks of Itakpe Hill, Nigeria (containing up to 0.5 wt % P2O5) are simply phenomenolocically similar to iron-formations, but are of ...

Prospecting and Mapping Iron Ore within the Niger–Benue …

This study used Landsat 8 (OLI/TIRS) to map iron ore deposits around the Niger–Benue River Confluence in Nigeria. Radiometric calibration was used to improve the quality of the remotely sensed image. Band ratioing and principal component analysis (PCA) were used to identify the iron ore mineral deposits. While a geological map was …

Map of Nigeria Showing Iron Mineral Formation in the Country and Itakpe

The Itakpe deposit has been developed to supply iron ore concentrates to the Ajaokuta Steel Plant and the Delta Steel plant, Aladja. ... View in full-text Context 2

Iron (Fe) Ore | Minerals, Occurrence » Geology …

Description and properties of common iron ore minerals. Iron ore minerals are rocks or minerals that contain iron in concentrations high enough to be economically extracted. Common iron ore minerals …

(PDF) Ore Production Optimization for Constant Grade of …

Itakpe iron ore deposit is a multi-grade ore deposit with ore grades varying from 14.8%Fe to 41%Fe in the 25 ore layers. At the point of design of the mine, several low grade ores were deposited ...

CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF ITAKPE IRON ORE …

Samples of Itakpe Iron Ore waste dump (tailings) were collected using random sampling method from different locations at the tailings dump sites of National Iron Ore Mining Company (NIOMCO) in Itakpe, Kogi State, Nigeria and properly homogenized to give the head sample. The head sample was chemically analyzed using Energy …

Re-examination of Itakpe iron ore deposit for reserve …

DOI: 10.1007/s12517-020-05644-9 Corpus ID: 220507044; Re-examination of Itakpe iron ore deposit for reserve estimation using geostatistics and artificial neural network techniques

Influence of some economic parameters on cut-off …

International Research Journal of Geology and Mining (IRJGM) (2276-6618) Vol. 2 (4) pp. 82-87, June 2012 ... their tonnage and grade at Itakpe iron ore deposit EAST PIT Ore Layers Ore Layer Index ...

Characterisation of Tailings from Itakpe Iron Ore Mine, …

produced since the beneficiation of the ore started in 1993 at the Itakpe iron ore mine [4], while it can be estimated that about 632 million tonnes of iron ore tailings are generated yearly in ...

Slope Stability Analysis of Itakpe Iron Ore Mine, Itakpe, …

The slope stability of the Itakpe Iron Ore Mine has been carried out using computer software, ROCKPACK III. One hundred and twenty three dip and dip direction values were obtained using compass clinometer. The Itakpe Iron Ore Mine was divided into four benches; 241 - 258 m, 263 - 275 m, 276 - 286 m and 308 - 312 m. Joints along the …

Reserve estimation using neural network techniques

Results of reserve estimation using ANNs showed a good agreement with the geo-statistical methods applied to this ore body in another work, and the tonnage of ore for Choghart deposit is approximately estimated at 135.8 million tones.

Geochemical characteristics of iron ore deposits and …

The main aim of the present study is to investigate geochemical analysis of iron ore and iron-enriched mineralised zones and their source identification by understanding lithological, structural and geomorphological units. The geology, geomorphology and lineament maps were prepared with help of Landsat 8 OLI satellite …

The Study on the Reducibility of Itakpe Iron Ore Lumps

The occurrence of Oolitic iron ore in the middle Niger basin in geology of Nigeria. ... The highest reducibility value of the resultant pellet for the Itakpe iron ore value was 99.7% with the ...

Journal Of Applied Science

reserve of Itakpe iron ore. Geology of the Itakpe Area . 101 Journal Of Applied Science VOL 2 ISSUE 12 December 2015 Paper 7

Characterization and reducibility of Itakpe and Agbaja (Nigerian) iron

Itakpe iron ore is hematite-rich, this mineral being intergrown with magnetite, and silica is the major impurity. Agbaja ore is an acidic oölite ore consisting of goethite and magnetite, with alumina, silica and phosphorus as major impurities. Itakpe is typical of a rich ore formed by magmatic segregation whilst Agbaja is a lean ore of ...

Geological Re-Evaluation of Nigeria's Iron Ore Deposits as …

The mineralogical studies of the two deposits shows that hematite is the most dominant iron mineral in the Itakpe iron ore while magnetite is the most dominant iron mineral in the Ajabanoko iron ore. Results of the chemical composition analyses indicated that the grade of Itakpe iron ore is 36.18 % Fe while that of Ajabanoko is 34.14 % Fe.

Characterization and reducibility of Itakpe and Agbaja (Nigerian) iron

Abstract Two iron ore samples from Nigeria have been examined using TG, DTA, EGA, XRD, and optical and electron microscopy. Itakpe iron ore is hematite-rich, this mineral being intergrown with magnetite, and silica is the major impurity. Agbaja ore is an acidic oölite ore consisting of goethite and magnetite, with alumina, silica and phosphorus as …

Geological Re-Evaluation of Nigeria's Iron Ore Deposits …

National Iron ore Mining Company at Itakpe, two liquid steel producing plants at Ajaokuta and Aladja-Warri, and several steel rolling mills. From the geological perspective, one of the most ...

Re-examination of Itakpe iron ore deposit for reserve

18′ 35″ E. Itakpe is northeast of Okene and is about 10 km along the Okene-Lokoja road. Exploration work on the Itakpe iron ore deposit started in 1963 by the Geological Survey of Nigeria together with the Canadian Aero Service Limited and the Italian Technical Association. The geology of the area falls within the basement complex rock of ...

Geophysical investigation of banded iron ore …

The banded iron ore mineralization at Ero was investigated using aeromagnetic, resistivity and induced polarization (IP) methods with the aim of characterizing the deposit.

(PDF) The genesis of the banded iron ore deposits …

The currently accepted genetic model for the Itakpe iron ore deposit is that of the itabirite-type originating during high-grade …

Characterization and reducibility of Itakpe and Agbaja …

Two iron ore samples from Nigeria have been examined using TG, DTA, EGA, XRD, and optical and electron microscopy. Itakpe iron ore is hematite-rich, this mineral …

The Behavior of Itakpe Iron-Ore Tailings in One

International Journal of Research Publication and Reviews, Vol 3, no 1, pp 1115-1122 January 2022 1116 Fig. 1Map showing the Study Area

(PDF) CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF ITAKPE IRON ORE

Furthermore, the ore is currently being processed using magnetic and gravity methods. However, flotation plant is being constructed for future beneficiation of the iron ore [1]. The Itakpe iron ore deposit has a reserve of about 200 million tonnes with an average iron ore content of 36 %.

Iron Ore: Sedimentary Rock

What is Iron Ore? Earth's most important iron ore deposits are found in sedimentary rocks.They formed from chemical reactions that combined iron and oxygen in marine and fresh waters. The two most important minerals in these deposits are iron oxides: hematite (Fe 2 O 3) and magnetite (Fe 3 O 4).These iron ores have been mined to produce …

A Systematic Study and Design of Production Process of Itakpe Iron Ore

Before undertaking a detailed study of the processes involved in steelmaking, it is helpful to have an overview of the whole operation, so that the inter-relation of the various steps can be seen in perspective. The present study presented a systematic study and design of iron ore production process in Itakpe for 1.5mt. The …

Effectiveness Of Gravity Concentration For The Beneficiation Of Itakpe …

This study investigates the1 effectiveness of gravity concentration for the beneficiation of Itakpe (Nigeria) iron ore achieved through jigging operations. Iron ore obtained from Itapke Iron Ore Mining Project, Kogi State, Nigeria which contains a very high amount of quartz as revealed by x-ray diffraction was crushed using the laboratory …

Predicting the Concentration Characteristics of Itakpe …

The essence of this research is to attempt the verification of a relationship (if any) between ore grades and tailings grade and between ore grade and recovery at Itakpe, using …

Bernard Nnagha

-- · Over 34 years experience in Nigeria mining industry; in exploration, geotechnical/soil investigation for rail lines, mining geology, mine management, corporate planning, beneficiation and technical assistance including 1 year training in mining project evaluation in france. · Experience: National Iron Ore Mining Company, Itakpe.

Slope Stability Analysis of Itakpe Iron Ore Mine, Itakpe, …

1.1. Geology of Itakpe Iron Ore . The Itakpe ridge consists of mainly Precambrian rocks, which are represented by: 1) Migmatite gneiss complex 2) Meta – sedimentary rock series 3) Older granite ...

Re-examination of Itakpe iron ore deposit for reserve …

PDF | This paper re-examines the Itakpe iron ore deposit using geostatistics and artificial neural network techniques. Set of exploration information on... | Find, read and cite all the research ...

(PDF) Predicting the Concentration Characteristics of Itakpe Iron Ore

The model has shown that the performance characteristics of the processing plant and the grade of the ore both play vital roles in deciding the concentration characteristics of an ore. ©JASEM DOI: Itakpe iron ore deposit is a magnetite-hematite mineralization consisting of 14 ore layers of economic value ranging in grade predominantly from 14. ...

Influence of Sub-Grade Ores on the Cut-Off Grade and Ore …

Itakpe iron ore deposit is a multi-grade ore deposit with ore grades varying from 14.8%Fe to 41%Fe in the 25 ore layers. At the point of design of the mine, several …

Background Radiation Measurement and the Assessment of …

Itakpe iron ore mine situated within longitude 6°16′E and latitude 7°36′N and 7°39′N of the equator ... The geology of the study environment consists of Precambrian rocks, which include migmatite gneiss, meta-sedimentary rocks and older granites .

Characterisation of Tailings from Itakpe Iron Ore Mine, …

The major components of Itakpe iron ore mine tailings are 71% of SiO2 and 2.62 % Al2O3 as shown in Table 1. The Fe (total) of 15% indicates that a sizeable amount of iron could …

The application of median indicator kriging and neural …

DOI: 10.1016/j.cageo.2010.07.009 Corpus ID: 22653071; The application of median indicator kriging and neural network in modeling mixed population in an iron ore deposit @article{Badel2011TheAO, title={The application of median indicator kriging and neural network in modeling mixed population in an iron ore deposit}, author={Mehdi …