pegmatite of ijero ekiti

Geology and geochemical analysis of stream sediments and ...

Jun 01, 2014· Free Online Library: Geology and geochemical analysis of stream sediments and soil samples of Ijero Ekiti and its environs southwestern Nigeria.(Report) by "Advances in Environmental Biology"; Environmental issues Geochemical research Marine sediments Chemical properties Identification and classification Pegmatite Pegmatites Plagioclase Plagioclases River sediments Soil …

Physico chemical characteristics and industrial potentials ...

Jul 04, 2015· The Ijero-Ekiti area is underlain by the basement complex rocks of Southwest, Nigeria .The local geology consists of the migmatite gneiss, quartzite, schist biotite gneiss, calc-gneiss, epidiorite ...

Ijero Ekiti - Wikipedia

Ijero Ekiti is a town in Ekiti State of Nigeria in West Africa. "Ijero Ekiti" refers to a common thought or mutual understanding which is situated in the northwest part of Ekiti State. Ijero Ekiti is the headquarters of Ijero Local Government since 1976.

Physico-Chemical Characteristics And Industrial Potentials ...

Physico-chemical characteristics and industrial potentials of lepidolites from Ijero-Aramoko pegmatite fields were investigated. Systematic mapping indicates that the lepidolite is associated with ...

Industrial minerals potentials of Ijero pegmatite in Ekiti ...

Nigeria pegmatites are concentrated in a 400km NE-SW trending belt of which Ijero pegmatite is inclusive. Ijero pegmatite is wholly crystalline igneous rock located in about 50km NW of Ado-Ekiti ...

Integrated Geophysical Approach to Solid Mineral ...

syenite (Rahaman et al., 1988). The pegmatite from Ijero area form an intrusion into the older rock of biotite gneiss that occupies the central part of the area, covering about three quarter of the total land mass (Figure 3). Figure 3: Geological Map of Ijero, Ara, and Epe town. Mineral composition includes quartz, biotite and

EKITI PEOPLE: CULTURALLY HOMOGENEOUS AND HILLY ...

The Ekiti people are aboriginal, culturally homogeneous and highly intellectual agriculturalist Yoruboid-speaking people that forms a sub-group of the larger Yoruba ethnic group of West Africa, particularly in Nigeria and some part of Benin.

Compositional characteristics and petrogenetic features of ...

pegmatite characterize the basement terrain of Ijero-Ekiti. Compositional characteristics and petrogenetic features of the metasediments (quartzite, biotite schist and amphibole schist) were investigated and reported. Mineralogical deter-minations from optical studies show that Ijero-Ekiti quartz-

INTERNATIONAL JOURNAL OF SCIENTIFIC ... - ijstr.org

resurgence of interest in the study of pegmatite occurrences in recent times is attributed to its rare metal endowments. Thus, mineralized pegmatites are sources of a broad spectrum of rare metals and rare earth elements like Ta, Nb, Sn, U, Th, Zr and Hf. The Ijero-Ekiti pegmatite is rare metal type and lepidolite subtype [2].

Industrial Minerals Potentials of Ijero Pegmatite in Ekiti ...

Industrial Minerals Potentials of Ijero Pegmatite in Ekiti State, Southwestern Nigeria P.T. Ale, J.A. Dada and A.J. Adewumi Department of Geological Sciences, Achievers University Owo, Nigeria Abstract: Nigeria pegmatites are concentrated in a 400km NE-SW trending belt of which Ijero pegmatite …

TL response of muscovite samples from granite pegmatite of ...

Aug 01, 2006· Read "TL response of muscovite samples from granite pegmatite of Ilesa and Ijero-Ekiti, Southwestern Nigeria, Radiation Measurements" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

history of ijero ekiti mining site - greenplanetfax.co.za

mining in ijero ekiti laserenata.be. The pegmatite in Ijero is essentially a quartz alkali feldspar muscovite biotitic body with primary cassiterite, beryl and Ijero Ekiti is loed in the southwestern part of Ekiti …

Physico chemical characteristics and industrial ... -

Two stages are involved in the formation of lepidolite in pegmatite of Ijero-Ekiti area; A stage of emplacement, crystallization and differentiation of the melt that results in fractionation and ...

Source-Area Weathering, Composition and Paleo-Redox ...

strip around Ijero-Ekiti town (Okunlola and Akinola, 2010). Epidiorite occurs as the major ultramafic assemblage while amphibole schist and biotite schist occupy the central, low-lying area that is occasionally pulsed with granites and pegmatite intrusions …

ijero ekiti de production minière - bonideecadeau.be

The local geology at Ijero Ekiti indicates pegmatite Ijero pegmatite is a dyke associated with larger igneous and metamorphic mass The pegmatite consists of feldspar, quartz and mica ( Ale et al, 2014 ) and might have undergone mild post-magmatic alteration ( Okunlola and Jimba, 2006 ) Mining Sites In Ijero - greenrevolutionorgin

Assessment of Impacts of Artisanal and Small-Scale Mining ...

Ipoti-Ekiti, Iloro-Ekiti, Temidire-Ekiti, Ilukuno-Ekiti and others are Epe-Ekiti, Ara-Ekiti, Araromi-Ekiti, Oke Oro-Ekiti and Odo Owa -Ekiti. The area covers 473.5km2. This study is limited to Ijero-Ekiti where most of the mineral exploration and exploitation activities were carried out.

Rare Earth Element Geochemistry of Stream Sediments from ...

pegmatite is wholly crystalline igneous rock located in about 50km NW of Ado-Ekiti with coordinates 7°49′ N and 5°5′E (Ale et al., 2014). Fig. 1. Geology of Ijero Ekiti (after Okunola and Akinola, 2010). The pegmatites are known to host the gemstones, lithium, tantalite, …

Vol. 3, Issue 8, August 2014 Preliminary Quality and ...

to carry out a preliminary quality and potential assessment of groundwater in the Basement Complex terrain of Ijero-Ekiti, Southwestern Nigeria. III. LOCATION AND GEOLOGY Ijero-Ekiti (the study area) is the second largest town in the whole of Ekiti State with population of 221,405 as reflected in [15].

history of ijero ekiti mining industry

Industrial Minerals Potentials of Ijero Pegmatite in Ekiti . Industrial Minerals Potentials of Ijero Pegmatite in Ekiti State Recommend Documents. Ekiti, Ekiti State, Nigeria . from 19972012 were collected from AdoEkiti Agro. Climatological Unit and rice yields that form the dependent variable were obtained from Ekiti State.

Geochemical Signatures and Mineralization Potentials of ...

Precambrian pegmatite of Oke-Asa area of Ijero Ekiti and revealed that these pegmatites are variably enriched in rare metals, such as Ta, Nb, Li, Rb and Sr. Akintola et al. (2011) revealed Precambrian pegmatites with moderate to high Ta-Nb mineralization in the Awo Area of Southwestern Nigeria. Agunleti et al. (2014) worked on the Precambrian

Petrochemical characteristics of the Precambrian rare ...

Birnin-Gwari and Ijero-Aramoko. In line with efforts to appraise into some details the petrography, geochemical features and economic potentials in relation to Ta-Nb mineralization of the pegmatites of these different fields, the Oke-Asa pegmatite veins which belong to the Ijero- Aramoko pegmatite field (Figure 1) are thus being studied. This

GEOCHEMISTRY, CLASSIFICATION CHARACTERISTICS OF …

The pegmatite ridges rise between 10 meters and 35 meters above the general ground level. The hills are disserted by numerous streams and rivers such as Awo, Yaro and Oyi which again drain the Ijero Ekiti areas . MATERIALS AND METHODS Ten (10 representative pegmatite rock samples were collected from Ijero- Ekiti and environs.

Geochemistry, Classification Characteristics of Pegmatites ...

Geochemistry, Classification Characteristics of Pegmatites From Ijero-Ekiti, Ekiti-State, Southwest Nigeria. Article Author: Obasi, Romanus Ayoola and Madukwe Henry. Abstract. Geochemical analysis of ten (10) representative pegmatite samples reveal high silica (SiO 2) 66-78 wt % and alumina (Al 2 O 3) 10.08-19.57 wt % contents.

Environmental Impact On Mining Of Tourmaline In Ijero Ekiti

Industrial Minerals Potentials of Ijero Pegmatite in Ekiti State, Southwestern Nigeria P.T. Ale, J.A. Dada and A.J. Adewumi Department of Geological Sciences, Achievers University Owo, Nigeria Abstract: Nigeria pegmatites are concentrated in a 400km NE-SW trending belt of which Ijero pegmatite …

TL response of muscovite samples from granite pegmatite of ...

The samples from Ijero-Ekiti present a greyish, almost white colouration and are associated with a quartz tourmaline pegmatite. This pegmatite is a quartz–alkali feldspars-muscovite body with primary cassiterite, beryl and tourmaline in subordinate proportions.

gemstone mining in ekiti - genealogie-alaindupas.fr

10 Tourmaline Gemstone Ijero Ijero Disseminated in pegmatite. 11 Clay Industrial Orin Ido/Osi Gneiss and migmatite 12 Clay Ceramic Ara Ijero Biotite/ hornblende gneiss 13 Feldspar Ceramic Ijero-Ekiti Ijero Pegmatite bodies associated with the schist and the amphibolite schist of the Basement Complex.

location of ijero mining site ekiti - kindertherapievenlo.nl

Omoniyi Isinkaye | Ekiti state university - Academiaedu. Omoniyi Isinkaye, Ekiti state, that of 226Ra in soil samples from Ijero mining site This shows that 232Th is …

gemstone mining site in ijero - bovenindewolken.be

gemstone mining site in ijero Industrial Minerals Potentials of Ijero Pegmatite in Ekiti State,- gemstone mining site in ijero,Abstract: Nigeria pegmatites are concentrated in a 400km NE-SW trending belt of which Ijero pegmatite is inclusive, mined by local miners, these includes: feldspar, sheet mica, tantalum-niobium, lithium minerals and gemston The grani.Integrated Geophysical Approach ...