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Academic literature on the topic 'Mines (sites d'extraction) – Afrique'
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Dissertations / Theses on the topic "Mines (sites d'extraction) – Afrique"
Samson, Stéphanie. "En attendant l'or. Une histoire souterraine de la colonisation française en Afrique noire. Explorations, prospections, économie minière (1850-1940)." Paris 10, 2009. http://www.theses.fr/2009PA100137.
Full textBambuk’s gold lured French explorers into the Upper Senegal region in the 18th century. So, why was there no Eldorado in the French African colonies south of Sahara ? This research focuses on mining investments: the failure of the Kenieba mines (mid-19th century), planed by Faidherbe, then Governor of Senegal, who was haunted by the myth of Bambuk’s gold, later the rushes of Ivory Coast, Guinea and the Congo, driven by the speculation in the British colonies and the success of the Belgian Congo, and in the 30’, the mines of Oubangui-Chari and Cameroon. The forms of the mining policy are studied through the objectives, means and methods of the administration, the use of science and techniques (cartography, geology), law reform and the relationships with companies and African gold miners. At first, military and administrators, afraid of a possible gold rush, chose a restrictive mining law. France was skeptical about the mineral wealth of Africa and specialized these colonies in agricultural products. However, bauxite and iron were found. In the 20’, Antonetti, ‘gouverneur general’ in French Equatorial Africa, favoured big business, which prospected for industrial minerals. In the 30’, a new lobby created by mining and metallurgy companies (CSMM and Comité des Forges), led by Fernand Blondel, a mining engineer, promoted Africa as a strategic place for minerals, pushing for an intervention of the state. Nevertheless, in 1939, gold and diamonds remained the main export minerals of AOF and AEF, 70% of this gold coming from traditional African mining. This was considered as a failure for the colonizing power
Ganem, Pierre-Henri. "Stratégies contractuelles des firmes aux fins de "sécurisation" d'investissements internationaux et volontarisme politique des états comme forces créatrices de droit dans les rapports transnationaux : la pratique des grandes firmes d'aluminium dans le montage et la réalisation de projets miniers et métallurgiques principalement en Afrique : 1953-1994." Paris 10, 1994. http://www.theses.fr/1994PA100171.
Full textOuedraogo, Laetitia Elsa. "La Réglementation minière en Afrique de l'Ouest : approches régionale et nationale." Amiens, 2014. http://www.theses.fr/2014AMIE0053.
Full textThe Economic and Monetary West African Union is made up of eight West African countries who have come together to achieve sustainable development. Amongst the sectors supported by the Union, the mining sector receives particular consideration by the Union which has understood the great minerai potential of the soil and sub soils in the member States which necessitates for its development a safe and friendly environment for investors. In this view, the Union adopted a community mining code by Rule n° 18/2003 in December 2003. This code is aimed at ensuring that the community mining rules contribute to the creation of a favorable environment for investments and equal treatment of investors throughout the Union. By nature, this code has a general scope and is applicable in all members States without the need for any internal transposition. The obvious fact however is the clear distance the members States are having towards the community code. There are indeed many intrinsic obstacles and other related to the economie needs of the member States, for the application of the provisions of the community code; which seem out of touch with the aspirations of the member States, even i f and paradoxically they were adopted by the same member States. In addition this community mining regulation needs to be considered in the context of a set of rules involving some other larger groups such as ECOWAS or OHADA. The perspectives for the Union might therefore appear limited. The goal is noble however and can yet be achieved provided certain steps are taken at both the level of the States and the level of the Union
Auclaire, Florence. "L'Elaboration d'un dictionnaire technique trilingue français-allemand-anglais : domaine minier." Paris 4, 1985. http://www.theses.fr/1985PA040081.
Full textPicaud, Frédérique. "Succession écologique chez les insectes orthoptères : application aux haldes de mines." Limoges, 1998. http://www.theses.fr/1998LIMO0045.
Full textChavez, Baroni Ricardo. "Mise au point d'outils pour le contrôle du tir à l'explosif sous contraintes de production." Paris, ENMP, 1996. http://www.theses.fr/1996ENMP0001.
Full textChatain, Vincent. "Caractérisation de la mobilisation potentielle de l'arsenic et d'autres constituants inorganiques présents dans les sols issus d'un site minier aurifère." Lyon, INSA, 2004. http://theses.insa-lyon.fr/publication/2004ISAL0071/these.pdf.
Full textInitiated by the doctoral thesis of Claire Blanchard defended in 2000 and by a contractual research program within the framework "polluted soils and sites" between the Association RE. CO. R. D. (Waste Research Cooperative Network, France), and the the L. A. E. P. S. I. (Laboratory of Environmental Evaluation of Industrial Systems and Processes), various complementary methodological tools, based on the use of leaching tests, were developed and carried out, in order to characterize the potential mobilization of arsenic and other inorganic constituents from soils, collected from a gold mining site. Main results shown in this study indicate that arsenic release during contact with deionized water is limited by its very low solubility in the interstitial solution and by the stability of the amorphous solid phases present (mainly arsenate iron (oxy)hydroxides). However, a potential mobilization risk exists over the long term under specific leaching conditions (i. E. , pH or redox gradient …) which can arise in given management scenarios of a contaminated site. Indeed, a significant increase in arsenic mobilization was observed in extremely acidic and alkaline conditions for the selected soils, wich have shown a low buffering capacity. Reductive conditions, either chemically (with the addition of sodium ascorbate or sodium borhydride) or biologically (using appropriate stimulation of the indigenous bacterial activity under anaerobic conditions) induced; also reveal the possibility of a partial arsenic mobilization
Nouvel, Yves. "La souveraineté minière de l'Australie." Paris 1, 1996. http://www.theses.fr/1996PA010285.
Full textMining sovereignty means the legal continuum which goes from the right of the state to grant a mining title to the right of the operator to exploit the mineral resources. Regarding the law applicable to this legal continuum, many steps appear. At the root, the sovereignty title is created under international law. Afterwards, the mining title is vested to the operator according to domestic law. Eventually, the mining title is exercised under domestic law in accordance with international law. This thesis applies this framework to Australian state's practice. At last, it appears that the aboriginal people have a major effect on Australian mining sovereignty. In fact, since 1994, Australian indigenous are holders of a native title over their ancestral territory. It implies that they are entitled to negotiate the access to the mineral resources of their land
Mathieu, Eric. "Apport de l'écoute sismoacoustique pour la surveillance des chantiers miniers affectés de coups de terrains : application au cas des tailles de l'unité d'exploitation de Provence." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10435.
Full textGilles, Sandrine. "L'exploitation aurifère au Burkina Faso : Territorialité et gouvernance." Rouen, 2016. http://www.theses.fr/2016ROUEL031.
Full textSince 2009, gold became the first export product of the Burkina Faso. It becomes the forth producer of gold in Africa. This research analyzes the changes in territorial practices induced by the exploitation of gold in Burkina Faso and the role of each actor involved in this mining process. Governance in the country is shifting. The adoption of a new Mining Code in 2015 expresses a willingness of the government to adapt to current problems in this field. Indeed, the place of the local communities asserts itself in the setting up of a mine. The mining potential in the country offers a development perspective for the country. However, the effects at the local level seem to be nuanced. The mine opens up certain territories while accentuating the phenomenon of isolation by the existence of a mining enclave. This thesis was supported by field studies and a quantitative analysis carried out among the gold-digger of two supervised artisanal sites. Various sources were used to carry out this research (photography, satellite, imagery, press article, ministerial data, interview with mining actors, field investigation, etc. ). They made it possible to highlight the logics inherent to mining in Burkina Faso