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alluvial gold deposits of old river bank niger

  • River Rivers as agents of landscape evolution

    1984 2 4ensp;0183;ensp;The above definition suggests that, in addition to being a distinct geomorphic feature, a floodplain has a significant hydrologic role. A floodplain directly influences the magnitude of peak discharge in the downstream reaches of a river during episodes of flooding.

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  • Mining industry of Ghana

    2018 10 26ensp;0183;ensp;The Mining industry of Ghana accounts for 5% of the country's GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana's mining and minerals development industry remains focused on gold. Ghana is Africa's largest gold producer, producing 80.5 t in 2008.

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  • Social Science History Society and Science History

    2018 10 22ensp;0183;ensp;A time line from before writing began to the present, linked to Andrew Roberts' book Social Science History and to other resources.

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  • Freshwater Fishes of Iran Introduction Brian Coad

    2017 6 23ensp;0183;ensp;Purpose. This work is meant to provide a guide to the freshwater fishes of Iran. There are no modern keys to this fauna, some available books are incomplete or cursory treatments or outdated, and the detailed and diverse scientific literature is widely scattered in time, languages and journals.

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  • Guinea Culture, History, amp; People Britannica

    Guinea, country of western Africa, located on the Atlantic coast. Three of western Africas major riversthe Gambia, the Niger, and the S233;n233;galrise in Guinea. Natural resources are plentiful in addition to its hydroelectric potential, Guinea possesses a large portion of the worlds bauxite reserves and significant amounts of iron, gold, and diamonds.

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  • Gold

    2018 10 31ensp;0183;ensp;Gold is a chemical element with symbol Au (from Latin aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal.Chemically, gold is a transition metal and a group 11 element.It is one of the least reactive chemical elements and is solid under

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  • Subsaharan Africa 2012 Book Archive

    2013 9 7ensp;0183;ensp;Identifying the Boundaries. Subsaharan Africa includes the African countries south of the Sahara Desert. The African Transition Zone cuts across the southern edge of the Sahara Desert at the widest portion of the continent. Many of the countries in the African Transition Zone are included in the realm of Subsaharan Africa.

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  • Washed Clean In Cameroon, Kimberley Officials

    The illegal trade in rough diamonds through border towns of Gbitti, Kentzou and Garoua Boulai in eastern Cameroon provides a steady source of income for rebel groups on both sides of the Central African Republics bloody conflict.

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  • Kingdoms of Nigeria Nigerian States, Capital Cities

    Kingdoms of Nigeria is a Nigerian organization dedicated to advancing Nigeria, its people and their rich and diverse culture. Kingdoms of Nigeria is always interested in receiving information comments and suggestions from positive patrons (especially Nigerians at home or in Diaspora).

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  • The World Factbook 226; Central Intelligence Agency

    2018 10 25ensp;0183;ensp;The Office of Public Affairs (OPA) is the single point of contact for all inquiries about the Central Intelligence Agency (CIA). We read every letter, fax, or e mail we receive, and we will convey your comments to CIA officials outside OPA as appropriate.

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