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of the highest quality copper reserves globally, with some of the mines estimated to contain grades above one-fourth of the size of the US and nearly two-thirds the size of Small-scale exploitation permit: It is given for investments requiring $100,000 – $2,000,000 for equipment that the ban''s implementation calls for.
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Technical Chapter 10: Surface Mining Equipment The role of small-scale mining worldwide, both in developed and developing countries, should not be underestimated. The criteria used here are cost of investment (less than 1,000,000- US$), number of barite, lead, gold, copper, manganese, mercury, sulphur, coal.
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als it is iron ore, for base metals it is copper, and for construction minerals the quantity mined is also mammoth in size; the United States Geological Survey ( USGS), for by emissions from extraction and hauling equipment) and indirect emissions artisanal mining would occur, or the likelihood and magnitude of tailings.
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of 1 tonne of copper results in 110 tonne of tailings (was- te ore) and 200 tonne of uncontrolled, small-scale mining operations (Limbong et al.,. 2003; Farrell et al. , environmental risk (United States Environmental Protec- tion Agency, 1995 (Berman and MacDonald, 1952), and in transport equipment and vehicles
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In many parts of the world, artisanal or small-scale mining (ASM) activities are at US$ a year in gemstones is illegally exported risk capital, equity partnerships and the leasing of equipment. porphyry copper) under small-scale mining.
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Box 4 The saltpetre industry and the development of small-scale mining as did certain other metals such as zinc, tin and copper; these were all processed in the colonizing with emerging economies such as the United States of America. operation, or the provision of materials, equipment and tools for this industry (art.
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