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15-pct DCFROR alluvial Australia availability curves availability of tin average total cost beneﬁciation costs biotite Bolivia Brazil Burma byproduct credits cassiterite concentrate and/or slag costs derived demonstrated resources deposits evaluated dredge operations Electric smelting furnace export feed grade ﬁg ﬁgure granite gravel pump operations Indonesia International Tin Japan largest lode deposits Malaysia MEC’s million mt minerals mines and undeveloped mining and beneﬁciation mining method mt of tin mt was recoverable mt/yr Namibia NAp NAp NAp Nigeria O-pct Open pit operating costs pct Sn pegmatites Perak Peru placers producing deposits producing mines production capacities reﬁned tin Republic Reverberatory smelting signiﬁcant slag smelter smelting Southeast Asia tantalum Thailand tin concentrate tin deposits tin from producing tin industry tin mines tin prices tin production tin resources tin shed tin-bearing tin-in-concentrate tinplate Total or weighted U.S. dollars underground mines undeveloped deposits United Kingdom wolframite world’s Zaire Zimbabwe