interesting Stans kinda disclosed the information not in the form of a press release, but in MDA (for investors who actually read its reporting)...

"By March 31, 2013 submit to the Licensor the following:
1. Draft of new technical and economic study of the deposit reserves mining conditions for the
combined surface and underground mining:


I guess this answers the question why are they holding on releasing PFS. Previous one was based on open-pit mining. It was on Geologia website, committee minutes earlier this summer (June). Part of the property is now the national park (was recognized in Feb 2012)