Speculation is mounting that Evolution Mining Limited (ASX:EVN) could soon place its Mungari gold mine up for sale that analysts value at between $600 million and $1 billion. The understanding is that the $10 billion listed gold miner controlled by Jake Klein has had suitors interested in the West Australian asset lately, including Zijin Mining Group Company Limited (SEHK:2899), which owns the Norton Gold Fields in Kalgoorlie. Other WA gold miners would also likely be interested in the asset, and a sale by Evolution would be logical given it is the only asset it owns in the state.