SiR, it's not because it was lower estimate. They were having inconsistencies in the Silver estimates.
Quote:
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Copper Fox is working with AMEC to resolve database issues identified during the data verification. AMEC have established there is an inconsistency between the silver analysis of core samples analyzed by Asarco, Hecla, Teck and Copper Fox over approximately 60 years of exploration on the Schaft Creek property. The inconsistency in the silver concentrations may require that the silver content of the mineralization not be reported in the pending resource estimate which is expected before the end of April, 2011.
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I was looking into the Teck buy back option and read into this.
It's on the front page of CUU website. If Teck chooses to retain its 75% interest, they have to spend 4x CUU expenditures. If it's $50 million, it's $200 million. I couldn't find the total expenditures by CUU so far.