Assessment of gold mineralisation in

2020-7-1  Gold is artisanally mined from eluvial deposits within Osu–Amuta–Itagunmodi areas of Ilesa Schist Belt, southwestern Nigeria. Mine site selection and mining operations are done without any understanding of mode of occurrence, compositional characteristics and extent of gold mineralisation.

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Beneficiation and Characterization of Gold from

At this point, cyanide is the only feasible alternative for artisans in developing countries to replace mercury. The totality of the conventional gold mining companies uses cyanide to extract gold ...

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Determination of natural radioactivity and hazard in soil ...

2020-4-9  Gold-mining Itagunmodi Radiological hazard abstract The activity concentrations of natural radionuclides 238U, 232Th and 40K in soil samples from the gold mining area in Itagunmodi were measured by gamma spectrometry using Sodium Iodide detector. Radiological hazard assessments due to these natural radionu-clides were carried out.

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Beneficiation and Characterization of Gold from

2014-7-24  O. D. Ogundare et al. 303 In Figure 1(a), which shows the gold ore, about eighteen (18) peaks starting from 2= 15˚ to 2θ θ = 100˚ were observed while the extracted gold shown in Figure 1(b) revealed about five (5) peaks starting from 2θ = 45˚ to 2θ = 100˚. The SEM (Plate 1(a) and Plate 1(c)) shows that the morphology of the particles of gold ore from Itagunmodi

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Beneficiation and Characterization of Gold from

This paper has reported the beneficiation and characterization of gold from Itagunmodi gold ore in Atakumosa West LGA in the State of Osun Nigeria using cyanide solution obtained from cassava and commercially available sodium cyanide analar grade.

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Geochemical characterization of soil samples from gold ...

2018-12-19  The Itagunmodi area is located within the amphibolites schist belt, with abundant mafic and ultramafic minerals that are very prone to chemical weathering, and from which samples were also collected for this study. The two areas have been artisanally mined for gold.

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Effects of artisanal gold mining activities on soil ...

2021-4-13  Although the study area has a long history of gold mining (which probably commenced around 1940), the activities are up till date artisanal (Makinde, Oluyemi, Olabanji, 2013). 2. Study area The study area, Itagunmodi, is located within 7°30′N–7°36′N and 4°37′E–4°42′southwest E, in

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Geochemical characterization of soil samples from gold ...

Particle-induced x-ray emission (PIXE) spectroscopy has been used to characterize soil samples from two relatively old gold mine sites (Iperindo and Itagunmodi) in the Ilesha schist belt of Southwestern Nigeria. This is with a view to identifying the indicator or pathfinder elements of gold for fing

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(PDF) Determination of natural radioactivity and hazard in ...

The activity concentrations of natural radionuclides 238U, 232Th and 40K in soil samples from the gold mining area in Itagunmodi were measured by gamma spectrometry using Sodium Iodide

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International Journal of Water Resources and

2014-6-17  Itagunmodi is a town very close to towns such as: Ile-Ife, Ilesa in Osun State, Nigeria. The sediment-hosted disseminated gold deposits (SHDGD) in Itagunmodi, Osun State, Nigeria is located in the clayey soil types derived from variably migmatised gneiss, biotite-and-biotite hornblende-gneiss and weathered amphibolites respectively (Figure 1).

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Beneficiation and Characterization of Gold from

2014-7-24  O. D. Ogundare et al. 303 In Figure 1(a), which shows the gold ore, about eighteen (18) peaks starting from 2= 15˚ to 2θ θ = 100˚ were observed while the extracted gold shown in Figure 1(b) revealed about five (5) peaks starting from 2θ = 45˚ to 2θ = 100˚. The SEM (Plate 1(a) and Plate 1(c)) shows that the morphology of the particles of gold ore from Itagunmodi

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Effects of artisanal gold mining activities on soil ...

2021-4-13  Although the study area has a long history of gold mining (which probably commenced around 1940), the activities are up till date artisanal (Makinde, Oluyemi, Olabanji, 2013). 2. Study area The study area, Itagunmodi, is located within 7°30′N–7°36′N and 4°37′E–4°42′southwest E, in

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Project: Challenges in Mining Communities - Sustainable ...

Location: Itagunmodi community (Latitudes 7°13’26” and 7°48’28” N and longitudes 3°52’ 0”and 4°47’59” E) is known for being the most popular gold mining location in Atakumosa West Local Government Area of Osun State, Southwestern Nigeria.As for Igbojaye, its exact population is unknown, but Atakunmosa LGA had an estimated population of 68,643 at the 2006 census.

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Production and Characterization of Gold Nanoparticles

2018-9-24  gold nanoparticles from gold ore mined from Itagunmodi gold deposit. Due to negligible quantity of sieve fractions 106 µm and 75 µm obtained, the sieve fraction of 125 µm was chosen as a working fraction for this research. 1. produced by mechanical attrition (ball milling)METHOD The gold ore was weighed and physically

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Geochemical characterization of soil samples from gold ...

Particle-induced x-ray emission (PIXE) spectroscopy has been used to characterize soil samples from two relatively old gold mine sites (Iperindo and Itagunmodi) in the Ilesha schist belt of Southwestern Nigeria. This is with a view to identifying the indicator or pathfinder elements of gold for fing

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Plight of richly poor Osun gold mining communities ...

2019-11-30  They are tagged to be a community of gold and peace, the mineral resources on their land is unprecedented but the dwellers of Itagunmodi, Ariyelepe, Oke-Owena and Dairo villages among other mining communities in Atakumosa West Local Government Area of Osun State who are predominantly cocoa farmers seemed oblivious of the huge benefits or perhaps, they lack the necessary wherewithal.

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Osun Govt arrests 7 suspects over Illegal mining ...

2017-11-15  Osun Govt arrests 7 suspects over Illegal mining. The State Government of Osun has arrested seven persons for illegal gold mining in Itagunmodi Community, Atakumosa West local Government area of ...

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Labourers from hell: Osun gold-rich villages lament

2019-6-9  Bola Bamigbola “Welcome to Itagunmodi, the city of gold and peace,” reads the signpost at the entry to the gold-rich town in the Atakumosa East Local Government Area of Osun State.

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Osun govt arrests 3 suspects over illegal mining ...

2013-3-15  The illegal gold mining site in Itagunmodi was said to have been operated by Chinese nationals, while the other one at Aruwa village is being operated illegally by one Alhaji Aruna who has his ...

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A Particle Induced X-Ray Emission (PIXE) Analysis of

2019-7-3  Itagunmodi, between 20.65 ± 2.72 and 24.31 ± 2.88 mg/kg but was lowest at Sa-bo with a range of 11.05 ± 2.20 to 21.26 ± 3.30 mg/kg. The mean concentration at Igun mining site ranged between 14.42 ± 1.67 and 19.12 ± 2.39 mg/kg, Al-though the mean value at Itagunmodi

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Plight of richly poor Osun gold mining communities ...

2019-11-30  They are tagged to be a community of gold and peace, the mineral resources on their land is unprecedented but the dwellers of Itagunmodi, Ariyelepe, Oke-Owena and Dairo villages among other mining communities in Atakumosa West Local Government Area of Osun State who are predominantly cocoa farmers seemed oblivious of the huge benefits or perhaps, they lack the necessary wherewithal.

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Osun Govt arrests 7 suspects over Illegal mining ...

2017-11-15  Osun Govt arrests 7 suspects over Illegal mining. The State Government of Osun has arrested seven persons for illegal gold mining in Itagunmodi Community, Atakumosa West local Government area of ...

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Production and Characterization of Gold Nanoparticles

2018-9-24  gold nanoparticles from gold ore mined from Itagunmodi gold deposit. Due to negligible quantity of sieve fractions 106 µm and 75 µm obtained, the sieve fraction of 125 µm was chosen as a working fraction for this research. 1. produced by mechanical attrition (ball milling)METHOD The gold ore was weighed and physically

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How I Was Horsewhipped And Dehumanised By

2019-5-28  Itagunmodi is where gold mining activities which attracted the influx of Fulani, take place. The traditional ruler told a press conference in Osogbo that he lost N1.7 million to the herdsmen who abducted him on May 30 last year before he could regain

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Osun govt arrests 3 suspects over illegal mining ...

2013-3-15  The illegal gold mining site in Itagunmodi was said to have been operated by Chinese nationals, while the other one at Aruwa village is being operated illegally by one Alhaji Aruna who has his ...

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Tension In Ilesha As Hausa Gold Miners Dealers Invade ...

2018-10-23  Tension In Ilesha As Hausa Gold Miners Dealers Invade Ilesa East, Epe, Itagunmodi In Atakumosa Residents of Ilesha in Osun State are living fear, following the “invasion” of the communities by Hausa miners in search of gold and other mineral resources. Thousands of the Hausa gold

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7 Illegal Gold Miners Arrested In Osun State - Nigeriana ...

2017-11-15  Seven suspected illegal miners have been arrested by the Osun State Government for illicit gold mining activities. The suspects were nabbed in Itagunmodi community in Atakumosa West Local Government Area of the state while carrying out the illegal activities at some farm lands and cocoa plantations Special Adviser to the Governor on Mineral and

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RADIOLOGICAL ASSESMENT OF MINING ACTIVITIES IN

2019-10-17  Determination of Radioactivity levels and hazard of water and sediment samples in various Gold Mining pits at Itagunmodi Ilesa Nigeria. European Journal of Academic Essays 1(10): 1-8 Portugal. Gbadebo, A.M., 2011.

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A Particle Induced X-Ray Emission (PIXE) Analysis of

2019-7-3  Itagunmodi, between 20.65 ± 2.72 and 24.31 ± 2.88 mg/kg but was lowest at Sa-bo with a range of 11.05 ± 2.20 to 21.26 ± 3.30 mg/kg. The mean concentration at Igun mining site ranged between 14.42 ± 1.67 and 19.12 ± 2.39 mg/kg, Al-though the mean value at Itagunmodi

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Mineralisation potential assessment using analytical ...

Mining pits identified in the study area are presented in Table 5, with the mining pits designated Pit 1 to Pit 14. The observed pits were predominantly mined for gold by the artisanal miners in the studied locations. The mining pit positions were subsequently posted on the MCDA-AHP model as shown in Fig. 11. It was observed that the mining ...

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