The Cretaceous shallow marine Gboko limestone, Yandev, Nigeria is a compo-nent of the sedimentary fill of the 800 km NE-SW trending Benue Trough, Ni-geria. The limestone is made up of thin bedded to massive limestone beds in-terspersed with laminated grey …

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Dear Sir/Madam,Star Pyramid Investment Ltd, Nigeria is a registered company with corporate Affairs Commission in Nigeria, Ministry of Mines and Minerals as well Export Promotion Council.We can offer Iron Ore, Limestone, Lead Zinc Ore Gold Nuggets etc to ...

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Mineral Deposits Associated with Neoproterozoic Pegmatites Columbite-Tantalite (Coltan) ±Tin Nigeria was the largest producer in Africa in recent times (1995-2003). Between 40,000 and 70,000 lb/yr produced, by artisanal miners. Widespread deposits and occurrences in central and western half of Nigeria. Mostly coincident with the goldfields.

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Limestone is composed mostly of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO 3). Dolomite, CaMg(CO 3) 2, is an uncommon mineral in limestone, and siderite or other carbonate minerals are rare. However, the calcite in limestone often contains a few percent of magnesium.Calcite in limestone is divided into low-magnesium and high-magnesium ...

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Elemental analysis of limestone samples from Obajana and Mfamosing limestone deposits, Nigeria, using nuclear techniques Appl Radiat Isot. 2011 Oct;69(10):1355-8. doi: 10.1016/j.apradiso.2011.03.038. Epub 2011 Mar 31. Authors I O Akpan 1, A E Amodu, A E Akpan. Affiliation 1 Department of ...

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Uses of limestone. Classified as one of the strategic mineral in Nigeria, Limestone is a rock with an enormous diversity of uses. The largest and purest deposits of limestone are found in the Southwest and Middle belt regions of the country. Limestone in the Southwest region of Nigeria has been estimated at 31 million tonnes.

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Jones and Hockey (1964) revealed Ewekoro limestone and the overlying Akinbo shale to be lateral equivalents of the Imo formation of eastern Nigeria. Other authors such as Omatsola and Adegoke (1991) and Oladeji (1992) have investigated the stratigraphy and depositional characteristics of limestone and clay/shale deposits in southwestern Nigeria.

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CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Kinematic analyses of planar discontinuity sets in a limestone deposit in Western Nigeria were carried out to ascertain the degree of slope stability. Discontinuity orientations in the rock mass were mapped using compass clinometers. Kinematic analyses of the discontinuities were carried out using DIPS software.

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Limestone is also the raw material for making lime (CaO) that is used to treat soils, purify water, and smelt copper . Limestone. Limestone is found in commercial quantities in kogi, Nigeria. Obajana in Kogi has the largest deposit of limestone with reserves of 647 million tonnes expected to last for about 45 years.

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Limestone deposits and small-scale production of lime in Nigeria. Eng. Geol., 11: 127--137. A general survey of limestone deposits in Nigeria is presented. From these deposits five locations representing the geographical distribution of these deposits were selected and hydrated lime prepared from them. An A-7-6 lateritic soil was stabilized ...

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Limestone deposits in different parts of Nigeria are in excess of 2 billion metric tonnes. Investors have a very lucrative opportunity by taking advantage of these deposits to set up cement factories in different parts of the country to meet domestic demand and export to the sub-region.

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Limestone Mining companies in Nigeria Add your free listing . Related industries Any country. Energy Charcoal Coal Crude Oil Other Energy Related Products Furniture & Furnishings Antique & Reproduction Furniture Metal Furniture Minerals & Metallurgy Alloy Copper Copper Bars Other Copper ...

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Exploration for limestone deposit at Onigbedu, South‑Western Nigeria. 149. Conclusion. This study investigat ed the Onigbedu limestone. occurrence using combined aeromagnetic data, resistivity ...

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The mineral deposits found in Bayelsa include; Clay, Lead/Zinc, Gypsium, Lignite, Limestone, Manganese, Oil/Gas, and Uranium. Natural Resources in Benue State Benus state is located in the middle belt or north central Nigeria, and it is blessed with eleven natural resources.

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determination of limestone deposits in Ikpeshi, Edo State is done through qualitative analysis of the limestone deposit from the study area. This research was conducted to determine the major and trace elements present in the limestone from the study area. Limestone is a carbonate sedimentary rock comprises of Calcium carbonate (CaCO

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62 vertical electrical soundings (VES) were carried out to map limestone deposits of Ewekoro formation, south-western Nigeria. The maximum current electrode spacing AB/2 was 1 km.

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Nigeria is the largest cement producer in Africa and Ogun state has the largest concentration of limestone deposits in Nigeria especially in and around Ewekoro and Ibeshe more than 50 the metric tonnes of cement produced locally in Nigeria comes from Ogun Today Ogun state is the new Cement Capital of Africa producing the same amount of .

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• Nigeria is endowed with large deposits of limestone and marble located in all parts of the country. The limestone at Mfamosing, near Calabar, is the largest and the purest deposit in Nigeria. It is about 50 metres thick at the quarry site. West of Calabar, another carbonate body occurs in the subsurface that is 450 metres thick.

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Mining is a major economic activity in many developing countries (Tauli-Corpuz, 1997; UNEP, 1997) including Nigeria. Nigeria is endowed with abundant mineral resources of international value, including gold, limestone, marble, gypsum, gemstones, iron ore, natural

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The Onigbedu limestone deposit was investigated using the aeromagnetic data, resistivity soundings and borings with the aim of characterizing the limestone deposit and estimating its reserves. The subsurface structural features and depth to basement were identified with the analysis of aeromagnetic data. Twenty nine boreholes were drilled for subsurface appraisal and correlation of the ...

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Deposits are typically found in shales, cherts, limestone, dolomites and sandstone as well as hydrothermal veins or as chemically dissolved phosphate minerals in igneous and metamorphic rocks. One of the world's largest phosphate deposit is the Phosphoria Formation, located in southeast Idaho.

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Nigeria's limestone deposits are estimated to be about 2.3 trillion metric tons with 568 million tons of proven reserves. China is the top importer of Limestone in the world. There are Limestone deposits in Cross River, Ebonyi, Abia, Akwa Ibom, Anambra, Bauchi, Bayelsa, Benue, Borno, Edo, Enugu, Imo, Ogun, Ondo, Sokoto and a few other states ...

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Nigeria is among countries in Africa with a wide variety of different natural resources. The country is richly endowed with natural resources ranging from industrial metals to various precious stones such as Barites, Gypsum, Kaolin and Marble. Most of these minerals are yet to be exploited.

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In Nigeria, there are abundant limestone deposits within the Calabar Flank of South-Eastern Nigeria, Ewekoro Formation of South- Western Nigeria and Imo Formation of Eastern Nigeria, which serve as sources of calcium carbonate ( Badmus and Olatinsu, 2009 ). Calcium carbonate is synthetically processed from naturally occurring high grade limestone.

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The limestone at Mfamosing, near Calabar, is the largest and the purest deposit in Nigeria. Which state is gold found in Nigeria? Gold deposits are found in Northern Nigeria, most prominently near Maru, Anka, Malele, Tsohon Birnin Gwari-Kwaga, Gurmana, Bin …

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It is used as a crushed stone for road base and railroad ballast. Some also use it in the production of concrete. Simply put, limestone is an important mineral in the construction industry in Nigeria. It had been observed from studies that limestone deposits in Nigeria are about 2.3 trillion metric tons with 568 million tons of proven reserves.

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NATIONAL OPEN UNIVERSITY OF NIGERIA SCHOOL OF ... Unit 3: Mining and Quarrying in Nigeria. Unit 4: Government ..... producers. Such prices should be kept under constant review and the administration would be ..... There are several deposits of limestone scattered all over the country. .....

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Other cement factories in Nigeria are located at Ashaka, Yandev, Nkalagu, Shagamu, Okpilla, Ewekoro, Sokoto and Calabar. The limestone at Mfamosing, near Calabar, is the largest and the purest deposit in Nigeria. It is about 50m thick, at the quarry site. West of Calabar, another carbonate body occurs in the subsurface that is 450m thick.

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LIMESTONE DEPOSIT (SHEET 156E), SOUTH-EASTERN, NIGERIA. B. S. JATAU 1and Ogah Vincent E.2 1 Department of Geology and Mining, Nasarawa State University, Keffi, Nigeria. 2 Ministry of Mines and Steel Development Lafia office, Nasarawa State, Nigeria. ABSTRACT: Geoelectric mapping and drilling of Aba-Isu limestone deposit was carried out

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The Obajana Limestone deposit is located at about 60 km from Lokoja along the Lokoja–Kabba road in Kogi State, Nigeria (see Fig. 1).It is the primary source of limestone used for the production of cement at the Dangote Cement Factory located in Obajana town.

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