Csak pontosítok, én elírtam először: QUO Vadis... :)

Lítiumtermelés adatai:
http://minerals.usgs.gov/ds/2005/140/#data

Óvatosan, USGS adatok.

URR adatok:

Based on USGS and other sources, ... total reserves of 58 million metric tons of lithium carbonate. This translates into some 11 million metric tons of lithium metal.

http://www.evworld.com/article.cfm?storyid=1182