Estimate of iron ore deposits in millions of tons 180 75 100 500 100 30 100 Iron content percentage 32-46 68 45-60 46-51 40 53-54 65 Source: Economic Commission for Africa, 1963 Report, p. 68. The account which follows gives some appraisal of those deposits found within the coastal tropical forest zone of Guinea, Sierra Leone, and Liberia (Fig ...
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Marampa iron occurrence in northern Sierra Leone is hosted in the Precambrian of the West African Craton. Several iron ore prospects have been identified here by geological, geophysical and ...
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The Tonkolili iron field in northern Sierra Leone has the largest known iron ore deposit in Africa. It occurs in a greenstone belt in an Achaean granitic basement.
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Sierra Leone Telegraph: 29 October 2021: Gerald Group subsidiary Marampa Mines Limited – one of the world's leading metals merchants, has completed loading of its first Capesize and set sail carrying over 175,000 WMT of premium grade iron ore concentrate. The Capesize, M.V. Athenian Phoenix, completed cargo loading and …
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In 1977 the Geological Survey of Sierra Leone estimated proved tailing reserves of 45.5 million tons with an average iron content of 19.75%. ... Their surveys discovered that the iron ore deposits in the Marampa area were more extensive than first thought and extended beyond the geographical limits of the London Mining license. To …
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The mineralogy and petrography of drill core samples of iron occurrences from Tonkolili district of Sierra Leone are used to investigate the type of iron deposit, its environment …
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Report summary Marampa is a surface mine in the Northern Province of Sierra Leone. Operations were suspended in 2019 after the Government of Sierra …
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Marampa Location: Sierra Leone Ownership: Product: Iron ore – sinter/pellet feed Resources indicated: Tailings 38Mt @ 22% Fe Primary ore 832Mt @ 32% Fe Resources inferred: Primary ore 208Mt @ 31% Fe Production Commenced: 2011 Target: 5Mtpa up to 16Mtpa Mine life: 25 years plus. Mine located in a region of significant …
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The Gerald Group-owned Marampa Mines Limited has commissioned a 3.25 million tonnes per annum expansion of the namesake iron ore mine in Sierra Leone. The expansion follows a restart of mining on ...
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Marampa Mines Limited ("MML"), located in the Port Loko District in the Northern Province of Sierra Leone, is committed to being a world-class and globally competitive iron ore producer. We undertake exploration, development and production of high-grade iron ore concentrate from estimated resources of around 1.7 billion tonnes. Branded ...
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"The 65% iron grade product is one of the highest and purest grades globally," states Lotti, when comparing the other iron ore mining operation in Sierra Leone that produces between 52% and 58% iron grades. MML has monikered this product Marampa Blue and its introduction in the market is a key component of a greener steel …
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The Marampa iron deposits are do minated by the Marampa Group of the Rokel-Kasila Belt [12] which runs approximately north-south in Sierra Leone and Liberia.
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Given the great number and diversity of iron ore deposits, this chapter will deal largely with the mineralogical and geologic characteristics of the most common sources of iron ore, the iron formation-hosted iron ores, and CIDs, with far less attention to all other iron ore deposit types. Table 2.3. Modal mineralogy of some typical iron ores.
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Sierra Leone forms the central part of the sundered West African craton whose counterpart forms the Guyana Shield of northern South America. Three Archean to early Proterozoic thermotectonic events and the early Phanerozoic Pan-African orogeny preceded the breakup of the original craton in the early Jurassic by rift faulting and the intrusion of …
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SL Mining confirms first shipment of 'Marampa Blue' iron. Jun 30,2019 · SL Mining has announced that the first shipment of iron ore concentrate,branded 'Marampa Blue',set sail on MV Cooper from Freetown Port (Queen Elizabeth II),located in Sierra Leone.The maiden shipment of 55,000 tonnes of high grade 65% iron ore concentrate will be ...
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Staff members of the Chinese-funded New Tonkolili Iron Ore Project and Sierra Leonean officials pose for group photos at the site of the project in Freetown, Sierra Leone, March 20, 2021. The Chinese-funded New Tonkolili Iron Ore Project in Sierra Leone on Saturday announced the commencement of its full-scale operation. (Xinhua)
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Mineral Policy Conception of Sierra Leone. The importance of the minerals sector to the economy of Sierra Leone is illustrated by the fact that during the 1960s and 1970s, it provided the country with over 70% of foreign exchange earnings, 20% of gross domestic product, and 15% of fiscal revenue. In order to revive the minerals sector, the ...
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The Marampa rock units are dominated by massive beds of specularite-schist interstratified with quartz-micaschist which hosts the specularite-haematite mineralization. In this study, Crosta techniques and Band ratios are applied on ETM+ data to map alteration minerals …
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Marampa iron occurrence in northern Sierra Leone is hosted in the Precambrian of the West African Craton. Several iron ore …
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Info about Marampa, (Sierra Leone) Other names for Marampa are Marampa, latitude is 8.6924900, and its longitude is -12.4704200. Things you can do if you travel to Marampa are mines, geological formations, ancient ruins around Sierra Leone. .
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African Minerals' Tonkolili mine neighbours the Marampa mine, both of which being of vital importance for the economy of Sierra Leone. The two assets would both benefit from sharing ...
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Marampa iron occurrence in northern Sierra Leone is hosted in the Precambrian of the West African Craton. Several iron ore prospects have been identified here by geological, geophysical and geochemical surveys. The Marampa rock units are dominated by massive beds of specularite-schist interstratified with quartz-micaschist which hosts the …
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Key Minerals. Sierra Leone's primary mineral resources are diamonds, rutile, bauxite, gold and small amounts of iron ore and limonite. The Sierra Leone diamond fields cover an area of about 7,700 square miles (about one quarter of the country) in the south-eastern and eastern parts of Sierra Leone. The diamond producing areas are concentrated ...
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The Rokel River Group occurs along the eastern part of the Rokelide Belt and rests unconformably on the Leo-Man Shield. Its western contact, with either the Kenema Assemblage or the Marampa Group, is controlled by an inferred east- (Culver et al., 1991; Culver and Willliams, 1979) or a west-dipping reverse fault (Latiff et al., 1997), expressed …
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Tonkolili iron ore mine geology and reserves. Tonkolili iron ore deposit is located within the Sula Mountain range and forms part of a banded iron. Marampa formation (BIF) …
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Marampa Iron Ore Sierra Leone Ltd Nov 2010 - Present 12 years 10 months. Education University Of Sierra Leone, Fourah Bay College Bachelor of Science (B.Sc ... Geology of Orogenic Gold Deposit. #geology #mining Liked by Lesley Kabia. 20 years ago, April 2002, I came to the United States as a refugee with a dollar and a dream Now, July …
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"The Marampa mine is a brownfield haematite iron ore mine located approximately 150km north-east of Freetown in Sierra Leone." The primary ore bodies …
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Marampa is an iron ore project at the development stage, located 90 km northeast of Freetown, Sierra Leone, West Africa (Marampa or Marampa Project). Marampa comprises one mining licence (ML05/2014) comprising 79.40km2 and one exploration licence EL46A/2011 – 159.78 km2. The were previously granted to Marampa Iron Ore (SL) …
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The Marampa iron deposits are located on the outskirts of the town of Lunsar, ~90 km ENE of Freetown and 75 km by rail from the Atlantic port of Pepel, in Sierra Leone. Regional Setting . The Marampa deposits lie within the northern half of the NNW-SSE elongated, 1000 x 600 km Man-Kenema shield, the southern of the two exposed inliers of …
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Spilpunt Sierra LeoneKogi Iron Limited ASX KFE Scoping Study Team. Apr 15 32 In a report written for the Geological Survey of Sierra Leone The Diamond Fields of Sierra Leone Hall reports production from to on the section of the river above the Sewa River licence as 42 000 cubic yards with an average recovered grade of 0 75 carats per …
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The Marampa Project. The Marampa Project involves production of very high-grade iron ore concentrate with >65% Fe content. Estimated resources are currently approximately 1.7 billion tonnes of iron ore grading 32% …
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The Republic of Sierra Leone is located on the West Coast of Africa, between latitudes 7 and 10 north and longitudes 10.5 and 13 west. ... The Marampa Group, bounded on its eastern margin by a tectonic contact, is important for its iron-ore deposits and forms the upper part of the Kambui Group. Late Liberian granitoids, marginal to, and within ...
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Gover nment of Sierra Leone Key Minerals S ierra Leone's primary mineral resources are diamonds, rutile, bauxite, gold and small amounts of iron ore and limonite. Diamonds The Sierra Leone diamond fields cover an area of about 7,700 square miles (about one quarter of the country) in the south-eastern and eastern parts of Sierra Leone.
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1. Marampa Iron Ore Ltd, Sierra Leone- Supervision of Resource drilling, Pitting/Trenching, Field Mapping. Training of junior geologist in standard procedures and protocols. 2. Gerdeau Acominas Iron Project, Bahia State (BA), Brazil –Supervision of ground geophysics and geological mapping programs. 3.
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About Us. Marampa Mines Limited, a subsidiary of Gerald Group is engaged in the exploration, development, and production of high-grade iron ore concentrate, Marampa Blue™ at Marampa in the Port Loko District, Northern Province of Sierra Leone. MML aims to build a resilient and long-life iron ore mine in Sierra Leone and to expand operations ...
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Download scientific diagram | Band ratio 3/1 image overlain with the Marampa deposit map from publication: Prospecting specularite-haematite resources with ETM+ and field data, Marampa iron ...
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