A South African mining company's proposed $2.2 billion acquisition of a Littleton mining company has gotten U.S. government approval.

In December, Sibanye Gold Limited offered $18 per share for Stillwater Mining Co. (NYSE: SWC). On Monday, Stillwater said the deal has gotten the approval of the Committee on Foreign Investment in the United States, which vets deals "in order to determine the effect of such transactions on the national security of the United States."

Stillwater, which operates in Montana, is the country's only producer of platinum-group metals (PGMs) and the largest primary producer of PGMs outside of South Africa and Russia.

Read more at the Denver Business Journal: http://bit.ly/2pa2lO2