Hi JJ and All,
A couple of thoughts,
Firstly, The burning question is "How much chalcopyrite(CuS)" The composition of sulphides in this type of base metal deposit is normally dominant Iron Sulphide as pyrite or pyrrhotite, with secondary Cu, Ni, Co, PGE's etc For example the Nova Ore Body mineralogy is quoted as typically 80 to 85% pyrrhotite (FeS) with the balance of 15 to 20$ predominately Pentlandite (NiS) and minor chalcopyrite (CuS) . GBR have described the mineralogy observed in the Yamarna RC cuttings as "Pyrrhotite dominant with Chalcopyrite" and made the comment that in sample preparation for assay they have split 4 metre composites into 1 metre intervals where "abundant sulphides and High Chalcopyrite" were observed.
This to me says that the GBR boys are being very professional and sticking very close to ASX disclosure requirements and we are going to have to be patient and wait for conclusive assay results for CuS, NiS. CoS, Ag, PGE's????. Only a few more sleeps.
Secondly, If you take a look at the Cross Section on which holes 1 and 2 were drilled you can see that Hole 1 intersected an EM Plate that dips to the East, Hole 2 intersected a second EM Plate that sits above the plate intersected in Hole 1, if Hole 1 had been pushed down a further 100 metres it should have intersected this lower plate. This highlights that the Yamarna exploration is in its very early stages and if the assay results are positive then the GBR Yamarna story has only just begun. Incidentally it would appear that Hole 7 drilled some 160 metres to the north of hole 2 intersected a very heavily mineralised extension to the plate intersected in Hole 2.
Regards Kom
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