There is indeed a belt of alluvial tin ore ranging from Burma down to Indonesia.

FORBES: After Conflict Minerals Comes The Death Metal: Tin. And It's Apple's Fault Again.

The only ore of tin that we care about is cassiterite.

FORBES: After Conflict Minerals Comes The Death Metal: Tin. And It's Apple's Fault Again.

The Company has interests in mining for aluminum, borax, coal, copper, gold, iron ore, lead, silver, tin, uranium, zinc, titanium, dioxide feedstock, diamonds, talc and zircon.

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