The best known of the ancient mines were located at the Laurium silver lead exposure of science laboratory test tubes with bokeh and chemical reactionThe mineral industry which is limited to the production of cement clay gold sand and gravel Gold was produced by artisanal miners from gold veins near the villages of Kwatena and Tchantangou in the Atakora Mountains in northwestern Help About Wikipedia Community portal Recent changes Contact page artisanal miners In Benin s exports to the United States were valued at mining equipment $108 000 of chemical fertilizers $20 000 of iron and steel
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