More than 2000 delegates are expected and organisers say there will be representation from over 40 countries and 150 mining, oil and gas businesses.
There is also a pre-conference day on April 3 devoted to specialist commodities and new concepts.
Huge emphasis will, once again, will be on China's role in driving global demand for commodities and its ‘belt and road' vision for connecting global supply chains.
Well-known mining identities will share the plenary with less-known junior companies. Ivanhoe's Robert Friedland will do a keynote, as will executives from Hancock Prospecting, Iamgold, Wheaton Precious Metals, Zijn Mining, Equinox Gold and others.