Mar 29, 2018· Gold Fields and Asanko Gold to Partner in a Joint Venture in Ghana at the Asanko Gold Mine. Gold Fields will pay Asanko Gold a total consideration of US185 million to buy a 50% interest in Asanko's 90% holding of the AGM, which comprises two main deposits, Nkran and Esaase, nine known satellite deposits, a 5 million tonne per annum CarboninLeach plant and a number of highly .