World Mineral Production - NERC Open Research Archive - Natural ...
World Mineral Production - NERC Open Research Archive - Natural ...
World Mineral Production - NERC Open Research Archive - Natural ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Production</strong> of tantalum and niobium minerals tonnes<br />
Country 2002 2003 2004 2005 2006<br />
Burundi<br />
Columbite-tantalite 72 24 23 43 16<br />
Congo, Democratic Republic<br />
Columbite-tantalite *130 *130 *130 *130 120<br />
Ethiopia<br />
Tantalite 55 58 71 93 109<br />
Madagascar<br />
Columbite — ... 40 ... ...<br />
Mozambique<br />
Tantalite 47 189 712 281 240<br />
Nigeria<br />
Tantalite *25 *25 *25 *25 *25<br />
Rwanda<br />
Columbite-tantalite 96 128 63 63 65<br />
Uganda<br />
Columbite-tantalite 6 16 0 0 ...<br />
Zimbabwe<br />
Columbite-tantalite 26 231 27 — —<br />
Canada<br />
Pyrochlore *7 800 *7 600 *8 000 *8 000 *8 000<br />
Tantalite 215 203 209 233 204<br />
Brazil<br />
Pyrochlore *60 000 *66 000 *79 000 *146 000 *175 000<br />
Columbite-tantalite *5 800 *6 200 *6 500 *6 600 *5 400<br />
China<br />
Columbite-tantalite *350 *350 *350 *350 *350<br />
Malaysia<br />
Struverite 2 298 2 619 121 552 93<br />
Australia<br />
Tantalite *2 300 *2 300 *2 400 *2 500 *1 400<br />
<strong>World</strong> Total concentrates 79 200 86 100 97 700 164 900 191 000<br />
Nb content *31 100 *29 800 *27 300 *42 700 *51 600<br />
Ta content *1 700 *1 800 *1 500 *1 600 *1 000<br />
Note(s):-<br />
(1) Niobium and tantalum minerals are believed to be produced in Democratic Republic of the Congo, Namibia, Russia and South<br />
Africa.<br />
(2) The figures in this table refer to gross tonnage of tantalum and niobium concentrates<br />
(3) Tantalum is also recovered from tin slags and is believed to have accounted for approximately 20% of raw material supplied.<br />
<strong>Production</strong> of tellerium metal tonnes<br />
Country 2002 2003 2004 2005 2006<br />
Canada 39 40 69 11 11<br />
USA 50 50 50 50 50<br />
Peru 22 26 25 33 37<br />
Japan 29 33 33 23 24<br />
Note(s):-<br />
(1) In addition to the countries listed, Germany is believed to produce tellurium metal<br />
88