Eyecandy I'd love if it was on behalf of some interested party but Mantle have recently announced that they are in the process of reviewing all of the geological data in order to bring norten to JORC standard so I presume this was noticed as part of that review process.
http://hotcopper.com.au/announcementFiles/2014/MNM/684f99df-a7be-4483-a4d0-404626ee6e5e-MNM678028.pdf