Oyu Tolgoi funding puzzle shows Rio Tinto...

Cardinal heading down familiar gold road

cardinal resources

Sarama right in the middle of big exploration, corporate build-up

sarama resources

Exore excels in Cote d'Ivoire

exore resources

Case study: platform finance

minexia

Turquoise is hardly an independent entity despite its separate listing as Rio controls 51% and operates the mine, where there have been embarrassing cost overruns and rows with Ulan Bator about the