Exhibit 15.6
TASMAN MINING PTY LIMITED
ABN 84 059 604 867
17 North East Crescent, Lilli Pilli, NSW, 2229, Australia
Telephone No.:
(+61 2) 9526 5710 Facsimile No.:
(+61 2) 9526 6554
Mobile:
(+61 418) 694 662
Email Address:
gduncan@tasmanmining.com.au
24th April 2008
Companhia Vale do Rio Doce
Avenida Graça Aranha, 26
20005-900 Rio de Janeiro, RJ
Brasil
Ladies and Gentlemen:
Tasman Mining Pty Limited hereby consents to being named in the Annual Report on Form 20-F of
Companhia Vale do Rio Doce (
“Vale”) for the year ended
December 31, 2007 (the
“2007 20-F”) in
reference to our preparation of estimates of Vale’s Australian coal reserves as of
December 31,
2007. We also consent to the incorporation by reference of the 2007 20-F into (a) the Registration
Statement on Form F-3 of Vale (File No.
333-138617) and Vale Overseas Limited (File No.
333-138617-01) and (b) the Registration Statement on Form F-3 of Vale (File No.
333-143857) and
Vale Capital Limited (File No.
333-143857-01), in each case including all amendments thereto.
Yours faithfully,
Tasman Mining
Executive Director
Graeme Duncan