As of March 2013 a total of 221 diamond and RC drill holes have been completed for ~80,000 meters of drilling on Promontorio within an area of about 4 square kilometers.
In addition to the Ag, Pb, Zn results returned from ~80,000 meters of drilling, gold grades have also been encountered throughout drilling assays from Promontorio since 2007. Recent metallurgical and oxidation testing has shown that there is potential to recover gold in the Promontorio system through an oxidation process (See NR dated February 28, 2013). As a result of this new information, the gold will now be reported in a separate table as we complete the current drilling program and report our assay results.
Please note: While additional technical work is required to further assess the logistics and economic viability of this process and how it pertains to the Promontorio resource, the Company feels at this time that it is prudent to begin recognizing the gold component of the resource as a potential future benefit. Additional technical and metallurgical testing on the gold is underway and will be reported once received.
NI-43-101 Resource Calculation - May 14, 2013
Promontorio Resource Silver Price Sensitivity - Sept 6, 2012
Promontorio NI-43-101 Resource Calculation - October 4, 2012 - TECHNICAL REPORT
Promontorio NI-43-101 Resource Calculation - Sept 28, 2010 - TECHNICAL REPORT
Click here for drill results map
Click for a summarized list of all drill results
Click for a summarized list of all drill hole collars
Drilling is all core and has been contracted to BDW International out of Guadalajara Mexico and all core has been HQ sized.
All samples were separated with one half being returned to the core box for reference and the other being bagged in a plastic sample bag which was labeled, tagged, documented and sealed with a zip-tie. Samples were placed in labelled rice sacks and sealed. All samples were recorded and delivered to the ALS Chemex sample preparation lab in Hermosillo, Sonora, Mexico. Receipt of the samples was signed off at the preparation lab. Pulps of each sample were prepared in Hermosillo and sent to ALS Chemex, North Vancouver B.C. Canada an ISO 9001-2000 certified full service laboratory. A QA/QC program including the regular insertion by the Company of duplicates, blanks and standards was instituted. Sample lengths 1.5 meters.
ALS Chemex also has its own system of replicate analysis and blanks which it provides to the Company. Each pulp was analyzed using 30g fire assay for gold with AAS finish (ALS method Au-AA23) and a high grade four acid digestion ICP-AES analysis package for an additional 33 elements including Ag, Pb, Zn and Cu (ALS method ICP61a). Over limit samples for gold were subject to 30g fire assay with gravimetric finish (ALS code Au-GRA21) and over limit silver, zinc, lead and copper samples to ore grade four acid digest/leach (ALS code OG62).
Sampling and Assaying
All core samples are cut by a rock saw with one half being returned to the core box for reference and the other being bagged in a plastic sample bag which is labeled, tagged, documented and sealed with wire. Each sample is placed in a rice sack and sealed with a zip tie. All samples are recorded and delivered to International Plasma Labs Ltd. ("iPL") sample preparation lab in Hermosillo, Sonora, Mexico. Receipt of the samples is signed off at the preparation lab. Pulps of each sample are then prepared and sent to iPL Laboratories in Richmond B.C. Canada an ISO 9001-2000 certified full service laboratory. All of the samples referred to herein are core samples. A QA/QC program which includes the regular insertion by the Company of duplicates, blanks and standards has been instituted. iPL Laboratories also has its own system of replicate analysis and blanks which it provides to the Company. Each pulp is analyzed using iPL's AU(FA/AAS) Ag/Ore-Grade by Multi acid digestion ICP (Cu/Pb/Zn/Ag) assay package. This is a multi acid digestion with gold analyzed with an AA finish with over limits done with gravimetric finish and silver analyzed by ICP (inductively coupled plasma) and a gravimetric finish on over limits while zinc was analyzed by ICP and lead by fire assay.
Certain technical engineering data is also being collected from the core including RQD (Rock Quality Designation), recovery, photographs and specific gravity measurements. Specific gravities of mineralized core are ranging from 2.7 to 3.15 grams per cubic centimeter (tonnes per cubic meter). They have been measured on site and are being sent out for third party confirmation.
The foregoing geological disclosure has been reviewed and verified by Kootenay's CEO, James McDonald, P.Geo (a qualified person for the purpose of National Instrument 43-101, Standards of Disclosure for Mineral Projects). Mr. McDonald is a director of the Company.
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