Could be announcement of joint venture (i.e. due diligence/cash infusion) which would ultimately lead to a sale. The company reported years ago that they have a measured resource of 141 million tons at 0.04 oz/ton gold equivalent. Cost of extraction is estimated to be $450/oz which will be partially offset by extraction and sale of iron during refining. The company has also stated that they have improved the extraction of gold to achieve 0.4 oz/ton gold equivalent during the testing.