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We present and discuss petrological investigations carried out on basalt dredged on one of the magnetic seamounts from the southern Guinean continental slope, within the Equatorial Atlantic. Microprobe analyses of clinopyroxenes suggest the alkalic magmatic affinity of the basalts. We suggest that the volcanic seamounts have been emplaced along a complex transform margin boundary during the progressive oblique opening of the Equatorial Atlantic in lower Cretaceous time.
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This article is a descriptive and analytical account of journalism practice and professional training in Ghana. It assesses some of the factors which have affected the development of the profession in that country. It offers a brief history of journalism in Ghana and reports among other things that there are about 650 journalists in the country, 467 of whom are employed by state-owned media organisations like the Ghana Broadcasting Corporation and the Ghana News Agency, and by the New Times...
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This chapter discusses community management and financing of schools in Papua New Guinea. The organizational structure of education in Papua New Guinea does not give wide powers to the communities at the school level. Major decisions on the school calendar, curriculum, qualifications, and conditions of service of teachers, and even the target populations for whom schools cater are taken by national and provincial governments. Boards of Management are responsible for buildings, enrolment of...
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For both the lecturer and the student the operating of the microcomputer should not offer any problems. Seeing that programming takes a long time, authoring packages can be used. Authoring packages are not implemented in this study because of the expense involved and the problem of monotony. In order to develop software that fulfils the aims and requirements of a specific language course, the following aspects should be taken into account: The computer has to be handled as a teaching aid. An...
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W. E. B. DuBois once argued that the proper education for oppressed groups such as African Americans had a special, critical purpose. He knew, as have all serious educators since Socrates accepted his cup, that education was always and everywhere political. For the oppressed, the political role of schooling had to be aimed precisely at finding the means to end the oppression. In 1930, speaking before the graduating students at Howard University, he put the issue this way: “Let there be no...
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Over a period of more than 10 years a health education program for mothers and pregnant women has been developed in many villages of the West Bank. The involvement of Catholic Relief Services in meeting the health needs of West Bank communities began in 1975 with a nutrition education project. A determined effort has been made to use local resources, both human and material, and to reach out to the women in a sympathetic manner. The goal was to improve the health standards of poor village...
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Two major felsic volcanic sequences of late Archean to early Proterozoic age are distinguished in southeast Botswana: the Kanye Volcanics and the Nnywane Formation. The Kanye Volcanics are red, purple and grey, dense, porphyritic rocks with pink and white feldspar phenocrysts in a felsitic to aphanitic groundmass. Presently, these rocks are regarded as part of the Gaborone Granite Complex. In addition to the volcanic rocks, the complex contains rapakivi and alaskitic granites, leucocratic...