Petrology and geochemistry of pegmatites and …
Matheis 1987;Kuster1990) located in northcentral Nigeria reworked Pan African belt which is one of the oldest pegmatite fields in Nigeria ("the old tin field"). Other fields are located in north, southwestern and southeastern basement complex of Nigeria typified by Egbe and Ijero pegmatite fields (Fig. 1) Responsible Editor: Domenico M. Doronzo
ORE DEPOSITS OF NIGERIA: DISTRIBUTION AND TYPES
2018. Ore deposits are sources of raw materials for industries. This paper examines the types of ore deposits in Nigeria. Ores of iron, tin-niobium-tantalum deposits, and precious metals in the Nigerian basement complex are predominantly associated with the metasediments (gneisses and schists). Associated with the older granites and ...
Minerals | Free Full-Text | Particle Swarm Optimization (PSO) …
The particle swamp optimization procedure was applied to high-quality magnetic data acquired from the Precambrian Obudu basement complex in Nigeria with the object of estimating the distinctive body parameters (depth (z), index angle (θ), amplitude coefficient (K), shape factor (Sf), and location of the origin (x0)) of magnetic …
GEOLOGY AND GEOCHEMISTRY OF PEGMATITES …
Most pegma.tites are composed of quartz, f ... Basement Complex of Nigeria is the occurrence ... This paper uses geochemical analysis to investigate solid mineral deposits in Kano state's schist ...
(PDF) Geology of Nigeria Precambrian Basement …
Abundant mineral deposits occur in all components of Nigerian geology with mineral deposits of economic significance that include gold, iron ore, cassiterite, …
A Review of the Geology and Mineral Resources of …
Mineral Resources. an Dahomey Geological in S exploration of Nigeria Sedimentary have actively in Nigeria in Nigeria. endowed the basin, their locations and uses are listed below resources. The mineral resources. Statistics, According extracted State produced the highest of. lithofacies correlate Borehole. mudstone, the limestone by portion.
(PDF) Geology and geotechnical appraisal of some clay deposits …
Clay deposit is widely distributed in the Precambrian Basement Complex of Nigeria [64,65] . Several researchers have studied some of these clays from various perspectives [64, 67, 68] .
(PDF) Geophysical prospecting for iron ore deposit around …
The Lokoja area represents a true picture of the occurrence of the iron ores in Nigeria in the sense that it hosts the ores both in sediments and in basement rocks.
Geotechnical and Mineralogical Characterization of …
Clay bodies are widely distributed on the Precambrian basement complex of Nigeria [2]. Clays are geological materials having particle size of less than 2 microns and the family of minerals have similar chemical compositions and common crystal structural characteristics [3]. Clays may also contain other minerals which may impart plasticity [4].
Geochemical composition, mineralogy, geotechnical characteristics of
Complex of Nigeria. Lucas et al., (20 20) ... minerals present in each of the sample analysed for . ... primary cla y deposits in the Basement Complex . of Nigeria. Jour.
Evolution of the Nigerian Basement Complex: …
Nigeria has almost an equal distribution of basement complex and sedimentary basins. The basement complex is commonly held to have been occasioned by the Pan-African orogeny which …
(PDF) Integrated Geochemical and Geophysical Approach to Mineral …
Geological map of the study area (After Adebayo, 2008 and Adelusil, 2005) Integrated Geochemical and Geophysical Approach to Mineral Prospecting – A Case Study on the Basement Complex of Ilesa Area, Nigeria 73 The Schist Belts group of which Ilesa area is part have been variously termed" Newer Metasediments" (Oyawoye, 1964), "Younger ...
Radiometric mapping and spectral based classification of …
Introduction. The geology of Nigeria is comprised of three major petro–lithostratigraphic components. They are the sedimentary basins which are estimated to be about 145 million years old having formed from cretaceous to present, the granites which are of Jurassic age having been formed between 200 and 145 million years ago, …
of mineral deposits the basement complex in nigeria is composed …
Keywords: Basement complex, Mineral belts, Nigeria, Uranium I Introduction Nigeria is situated within the Pan African mobile belt and sandwiched between the West African Craton to the west, the Taureq Shield to the north and the Congo Craton to the southeast (Fig 1) as the belts are relatively small and the deposits in each, notThe geological ...
Geology and Geotectonic Setting of the …
The crystalline rocks are made up of Precambrian basement complex and the Phanerozoic rocks which occur in the eastern region of the country and in the north …
Field Occurrence, Petrography and Structural …
mineral deposits, and constitute a major lithostratigraphic unit necessary for unravelling the geochemical and geodynamic evolution of the basement complex (Ekwueme, 2003; Danbatta, 2008b; Ekwueme and Ephraim, 2005). Although, the study area have benefited from interest by mineral prospectors, geochemists and economic geologist
Mineralogical compositions of soils under three …
The basement complex rocks in Nigeria constitute a collection of crystalline igneous and metamorphic rocks that originated from the Precambrian to …
Geophysical mapping and mineralisation characterisation …
1. Introduction. The study area is situated in the southern stretch of Kebbi plain, northwestern Nigeria. It is within the Precambrian basement terrain that borders the Sokoto sector of the Iullemmeden Basin proposed to have high mineralisation potential (Ramadan and Abdel Fattah Citation 2010).The area is bounded by latitude 10º 00′ and …
Geology, geochemistry and origin of the banded and granite …
The polycyclic events are due to four major orogenies (Liberian, Eburnean, Kibaran and Pan-African), which modified the Precambrian geology of Nigeria. In a polycyclic basement like Nigerias, there is a high probability of confusing the deformation age with the actual age of emplacement, hence the discrepancies in the ages obtained …
The Basement Complex | SpringerLink
The Nigerian basement complex forms a part of the Pan-African mobile belt and lies between the West African and Congo Cratons (Fig. 1.2) and south of the Tuareg Shield (Black, 1980). It is intruded by the Mesozoic calc-alkaline ring complexes (Younger Granites) of the Jos Plateau and is … See more
(PDF) Geology of Nigeria
Abstract. Three major rock types are present in Nigeria: igneous, metamorphic and sedimentary. Igneous and metamorphic. rocks constitute the Precambrian Basement Complex. which is the oldest ...
Chapter 10 Solid Mineral Resources
government of Nigeria are expected to lead to an upsurge in the exploration and development of Nigeria's solid mineral resources. Solid Minerals in the Basement Complex Including the Younger Granites Iron Deposits Three types of metamorphosed iron oxide rich layered metasediments are found in the NW and central parts of the …
(DOC) GEOLOGY OF NIGERIA | vincent kalu and stanless pee …
Gold, molybdenite, and non-metallic minerals such as marble, feldspars and talc are among the mineral deposits in the Basement Complex. Apart from oil and natural gas, groundwater and a host of industrial minerals such as barites, lime- stone and clay, the older sedimentary rocks are mineralised with lead and zinc.
Ore-bearing potential of granitic rocks from the Jos—Bukuru Complex …
The Jos-Bukuru Complex is the largest individual ring complex in the Nigerian province occupying an area of approximately 430 km 2. The Complex is composed of fayalite granite and porphyrites, hastingsite granites and biotite granites. The biotite granites play host to both disseminated and vein controlled mineralization.
(PDF) Geology of Nigeria Precambrian Basement complex …
Three major rock types are present in Nigeria: igneous, metamorphic and sedimentary. Igneous and metamorphic rocks constitute the Precambrian Basement Complex which is the oldest, crystalline ...
Geological structure and hydrothermal alteration mapping for mineral …
1. Introduction. The basement complex of northwestern Nigeria is composed of three major litho-stratigraphic units namely the gneiss–migmatite complex, the supra-crustal schist belts and the Pan–African granitoids which lie within the Pan–African mobile belt that separates the West Africa craton and the Congo craton.
Interpretation in Geological and Mineral Potential …
(PSO) of High-Quality Magnetic Data of the Obudu Basement Complex, Nigeria" by Ekwok and collaborators is a stochastic optimization approach to the inversion of magnetic profiles. The inversion considers a universal model that comprises a variety of simple geometric
Radiometric mapping and spectral based classification of …
1. Introduction. The geology of Nigeria is comprised of three major petro–lithostratigraphic components. They are the sedimentary basins which are estimated to be about 145 million years old having formed from cretaceous to present, the granites which are of Jurassic age having been formed between 200 and 145 million years ago, …
Field Occurrence, Petrography and Structural …
Keywords: Basement Complex, Pan-African, metamorphism, deformation, Kushaka, Birnin Gwari, Nigeria DOI: 10.7176/JNSR/12-12-02 Publication date:June 30 th 2021 1. Introduction The Nigerian Basement Complex is part of the Benin-Nigeria shield and lies within the Pan-African mobile belt to the east of West African craton and northwest of …
Mineral Deposits and Exploration Potential of Nigeria
Dr. Moses (M.A.) Olade is a retired Professor of Economic Geology who has lectured and published widely on the mineral deposits of Nigeria. He obtained a B.Sc. (Hons.) degree in Geology in 1969 ...
