ABSTRACT Aeroradiometric data set of Isanlu sheet 225 (1:100,000) has been acquired with a view to analyze and interpret for the delineation of hydrothermally altered zones that favour gold ...

Commissioned by Kinsfield Energy Limited in September, 2010 we were saddled with a responsibility of delineating ore bodies of gold mineralization in the Isanlu, Kogi State. We started with a detailed geological mapping and geophysical investigation of gold mineralization by way of Electromagnetic studies using VLF and IP techniques.

Aeroradiometric data set of Isanlu sheet 225 (1:100,000) has been acquired with a view to analyze and interpret for the delineation of hydrothermally altered zones that favour gold mineralization. The acquired aero-radiometric data was subjected to

gold in Isanlu area. Gold mineralization in Guguruji area was first documented by the Nigeria Mining Corporation (NMC) in the eighties (Dada, 1983). Guguriji is about 72km and 40km, northeast of Egbe and Isanlu respectively, and 35km southeast of Okolom. These communities are within the same Egbe -Isanlu schist belt and hence Guguruji can be ...

Nigeria 3 Department of Geology and Mining, University of Jos, Jos. Nigeria Accepted 15 September, 2014 Gold, tantalite and associated mineralization in Isanlu-Egbe area, SW Nigeria is the product of injection of Pan-African late phase quartz-rich (pegmatitic-pneumatolytic) material into the Archaean/Early Proterozoic gneisses, …

Structural mapping and gold mineralisation potential evaluation from airborne time – domain electromagnetic (TDEM) data of Ilesha Schist Belt, southwestern Nigeria: …

A document put together by the NGSA titled: Gold Exploration Opportunities in Nigeria, gives the history of Gold exploration in Nigeria as having started in 1913, peaking between 1933-1943 when about 1.4t of Gold were produced. ... The Okolom Dogondaji area of Gold mineralisation is in Egbe-Isanlu schist belt of southwest and the …

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Publisher. Abstract. The gold occurrences north of Isanlu (Kwara State) were investigated using combined geological and geochemical prospecting methods. The general geology, …

The gold occurrences north of Isanlu (Kwara State) were investigated using combined geological and geochemical prospecting methods. The general geology, stream sediments and gold in heavy mineral concentrates were surveyed. The area studied is part of the schist belts of the S.W Nigerian Basement Complex and the geology is favorable for …

This research study uses geophysical method (aeromagnetic) to identify hydrothermally altered structures which favour the inflow of hydrothermal fluid that usually brings about …

This study applied geochemical investigation technique to evaluate the gold mineralization potential of Iperindo in Ilesha Schist Belt, southwestern Nigeria, where thriving artisanal mining of...

Exploration for all mineral resources except hydrocarbon (oil and gas) Evaluation of Mineral resources; Mineral Promotion activities; Generation of credible data on exportable mineral resources such as gold, silver, lead and zinc, copper and other commodities to attract foreign direct investment to Nigeria.

Aeroradiometric data set of Isanlu sheet 225 (1:100,000) has been acquired with a view to analyze and interpret for the delineation of hydrothermally altered zones that favour gold mineralization. The acquired aero-radiometric data was subjected to filtering algorithm and enhancement techniques such as shaded relief enhancement, elemental …

accessible to ground geophysical exploration due to various factors can also be studied. Keywords: Aeroradiometric Data; Gold Mineralisation; Hydrothermal Alteration; Isanlu Sheet 225. 1 Introduction The Nigerian mining sector has recently witnessed higher levels of activity following reform programs that have been undertaken in areas of

Geochemical prospecting for gold in the area north of Isanlu, Nigeria Garba Ibrahim. Journal of African Earth Sciences 6(3): 281-286 1987. ISSN/ISBN: 1464-343X. DOI: 10.1016/0899-5362(87)90070-4 ... It was found to be a better exploration tool for gold at the reconnaissance stage. The overall high level of gold in the drainage indicates a ...

The Gurara area (Fig. 1), situated in the Kushaka schist belt of north-central Nigeria, has been reported to be associated with gold mineralization in stream sediments (alluvial), soil sediments (eluvial), and within geologic structures and quartz veins [].Although approximately 90% of Nigeria's total gold production is from alluvial and …

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This paper applied a logistic-based fuzzy logic inference system to integrate critical factors that could control orogenic gold mineralization in part of the Kushaka schist belt, north-central Nigeria to develop a process-based mineral potential mapping (MPM) of the area. The critical factors from geophysical and geological dataset were weighted …

Gold is present in the veins mainly as discrete particles, up to 100 μm in size, at grain boundaries between quartz and carbonates, in general association with sparse, scattered pyrite (two ...

G. Olisa Olusegun. 292 Accesses. 2 Citations. Explore all metrics. Abstract. The mapping of lithology, structures, and hydrothermal alteration zones in Kaiama, …

The gold occurrences north of Isanlu (Kwara State) were investigated using combined geological and geoche-mical prospecting methods. The general geology, stream sediments and gold in heavy mineral concentrates were surveyed. The area studied is part of the schist belts of the S.W Nigerian Basement Complex and the geology is

Delineation of Hydrothermally Altered Zones that Favour Gold Mineralization in Isanlu Area, Nigeria Using Aeroradiometric Data. International Annals of Science. ISSN: 2456 …

Delineation of Hydrothermally Altered Zones that Favour Gold Mineralization in Isanlu Area, Nigeria Using Aeroradiometric Data. which could be found as trace elements that exist in rock forming ...

These shear zones are of regional scale and include Anka-Zuru and Kalangai-Ifewara Shear Zones (Fig. 1b). For example, an NW-SE trending subsidiary fault to the Anka fault hosts the gold-sulfide ...

The aim of the investigation is to delineate the likely Gold and Chalcophile mineralisation occurrences in the study area so as to aid further exploration studies that will identify Gold rich ...

Aeroradiometric data set of Isanlu sheet 225 (1:100,000) has been acquired with a view to analyze and interpret for the delineation of hydrothermally altered zones that favour gold …

The gold occurrences north of Isanlu (Kwara State) were investigated using combined geological and geoche-mical prospecting methods. The general geology, stream …

The Okolom-Dogondaji area of gold mineralization is in the Egbe-Isanlu schist belt of southwestern Nigeria, and the primary gold-quartz veins and eluvial/alluvial placers have been mined extensively in the per iod 1930s-1950s. A series of gold-quartz veins is hosted by N-S and NNE-trending shear zones, wh ich cut gneisses, schists and amphibolites.

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A combined heavy mineral and stream sediment survey was carried out in the area north of Isanlu to delineate potential areas for a detailed search for gold deposits. The geology of the area is typical of the basement of SW Nigeria with gneisses, schists, amphibolites and granites. Mineralization comprises gold/sulphide-bearing quartz veins …

Elueze and Olade (1985) carried out a geochemical exploration for gold in Ilesha northwest of Nigeria Elueze and concluded that Arsenic, which is widely used as a pathfinder for gold in other ...

Geochemistry and petrology of Guguruji amphibolites from Egbe-Isanlu Schist belt, Southwestern Nigeria has been carried out to determine its nature and geochemical characteristics. The petrographic study of some of the samples reveals that mineral composition is uniform in some exposures and varied more in others. The thin …

Goldflare Exploration Inc. is a Canadian-based mineral exploration company established in 2003, with a diversified portfolio of properties. To increase the value of its assets, the company's strategy is to use modern technology for exploration with a commitment to minimize its impact on the environment. It intends to continue its mission of ...

The site handing over of Isanlu Esa sugarcane growing area took place on 1st February, 2019 with all the critical stakeholders present including the traditional rulers. In his opening remarks, Alhaji Sule T. Kutama, Chief Project Officer who represented Council at the event, welcomed everybody to the meeting. ...

A combined heavy mineral and stream sediment survey was carried out in the area north of Isanlu to delineate potential areas for a detailed search for gold deposits. …

Logistic-Based Translation of Orogenic Gold Forming Processes into Mappable Exploration Criteria for Fuzzy Logic Mineral Exploration Targeting in the Kushaka Schist Belt, North-Central Nigeria ... Egbe-Isanlu and Iwo schist belts (Garba 2000, 2002, 2003; Abubakar 2017; Obaje 2009).

Geochemical prospecting for gold in t he area north of Isanlu Nigeria was carried out by Garba (1987). He combined heavy mineral and stream sediments analyzes of north of Isanlu to delineate ...