Mariana Minerals raises $310M Series B

Big news! We are excited to announce our $310 million Series B financing, led by @khoslaventures, with continued support from Andreessen Horowitz (@a16z) and @Breakthrough Energy Ventures, and new participation from Greenoaks, Halo Fund, Pax Ventures, StepStone Group, BHP https://t.co/5Vhlt99exv