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San Luis del Cordero - Geochemistry
 Technical Reports

 

Resources:

A resource estimation technical report was prepared to the standards of NI 43-101 on the Santa Rosa Vein and the Santa Rosa East Skarn Zone (Hodson, 2014).

Zone Class Tonnes Ag-Eq
(g/t)
Ag
(g/t)
Cu
(%)
Zn
(%)
Ag
(oz)
Ag-Eq
(Moz)
Sta Rosa Vein Indicated 31,500 1,022.6 827.8 1.21 1.98 838,366 1.036
Sta Rosa Skarn Indicated 631,125 200.8 86.1 0.76 1.02 1,747,094 4.075
Total: Indicated 662,625 239.9 121.4 0.78 1.06 1,585,460 5.111
             
Sta Rosa Vein Inferred 218,437 955.4 716.4 1.12 3.62 5,031,291 6.710
Sta Rosa Skarn Inferred 2,566,875 214.9 95.7 0.72 1.26 7,897,950 17.734
Total: Inferred 2,785,312 273.0 144.4 0.75 1.45 12,929,241 24.445

Ag-Eq = Ag + (Cu% x 22.046 x Cu price x 31.103/Ag price + Zn% x 22.046 x Zn price x 31.103/Ag price). A cut-off of 85 g/t Ag-Eq was used for the Base Case. Metal prices used for the formula: silver = $US19/oz, copper = $US3.00/lb, zinc = $US0.90/lb. As there is no metallurgical testing results available, for the purposes of silver-equivalent, recoveries are assumed to be 100%.

As required by NI43-101, it is hereby stated that Mineral Resources are not Mineral Reserves because there is insufficient study conducted to demonstrate economic viability. It cannot be assumed that all or part of an Inferred Resource will be upgraded to an Indicated or Measured Resource with further exploration.

Technical Reports.

Christopher, P.A., 2008, Technical report on the San Luis del Cordero Project, Durango State, Mexico. Prepared for Prospero Silver Corp. by PAC Geological Consulting Inc., 51 p.

Hodson, T.W., 2014, NI 43-101 report on the initial resource estimate for the San Luis del Cordero Project, Durango State, Mexico. Prepared for Prospero Silver Corp. by Hodson Geological Ltd., effective date 1 Oct 2014, 62 p.

 
 

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