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Tin Int 1986 Jan; 59(1):11-15
Engineering, geologic, and economic data were gathered for most producing and developing tin deposits in market economy countries. Economic time diagrams were constructed for each deposit or mining district. Ten- and 15-pct discounted cash flow rate of return analyses incorporating in-house tax data, cost indices, and currency exchange rates were performed on each deposit or district. Operating and production costs, in 1984 U.S. dollars, together with current and projected production schedules over the deposits' lives, were reported for 146 deposits and districts. Malaysia, Thailand, Indonesia, and Brazil are the world's major tin-producing countries. Most tin is produced by surface gravel pump or dredging methods; these methods require minor capital investments and are relatively low-cost operations that exploit large volumes of low-grade tin ore. At a spot market price of $5.69/Lb refined tin, the majority of the world's tin production, reported in production costs exclusive of transportation to New York, was operating at a minor to negative cash flow.
OP; Journal Article
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Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division