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Nora, Silver-Gold-Copper-Zinc-Lead, Durango State


The Nora project is located approximately 200 km NW of the City of Durango and within 50 km of the municipalities of Tepehuanes, Santiago Papsquiaro and Santa Maria del Oro. The project is centrally located within the “Silver Belt” of the Mexican High Plateau region on a trend running from the northwest to the southeast through Durango State. The project area is within two hours driving distance from the city of Durango.

Project Geology and History

The geological setting is a Tertiary-aged volcanic flow-dome complex. Gold-silver mineralization is hosted within two structurally-controlled epithermal veins, Candy and Nora. Mineralization is typical of that found at many mines in the region, with gold and silver associated with galena, sulfosalt minerals and lesser pyrite, sphalerite and chalcopyrite. There are two principal veins outcropping at the Nora project: the Candy vein, which shows evidence of small-scale historical mining, and the Nora vein located 600 m NE of the Candy vein with a parallel N-S strike. It is estimated that approximately 10,000 tonnes of material may have been extracted using inclined shafts and a 230-m cross-cut tunnel. The Candy vein is 0.50 m to 2.00 m wide and is exposed in discontinuous outcrops for over 900 m, with the fault structure hosting the vein traced over 3 km. The Nora vein can be traced for 230 m along strike with widths of over 9.0 m.

Samples of vein outcrop and mineral dumps from the Candy vein returned significant gold, silver, copper, zinc and lead values. Surface samples from the Nora vein returned anomalous silver values associated with trace sulphides, with a geochemical signature typical of the higher levels of epithermal vein systems in the region. Historical systematic grid soil sampling over an area of 3 km by 2 km covering the Candy and Nora veins and projected extensions, showed elevated silver, base metal (copper, lead and zinc) and pathfinder (antimony and arsenic) values. The combination of the vein outcrops with large areas of anomalous silver and base metal values in soil samples may indicate additional concealed mineral systems. Other major deposits in the region include SSR Mining’s La Pitarrilla deposit located 50 km east of the Nora project.


A first diamond drill program, consisting of eight holes totaling 1,744 m, was completed on the Nora Project in 2020. Six drill holes tested the Candy vein along a strike distance of 500 m. Four of the planned holes were located immediately below historical workings while two others targeted anomalous gold outcrops located 200 m and 300 m north of the workings (see map below). Highlights from these holes include:

The locations of the Candy vein drill holes and details of the 2020 drill results are shown on the plan map and drill results table below:

Minera Canasil, S.A. de C.V. Nora Project

Table 1

Surface Sampling

Initial rock chip samples collected from the Candy and Nora veins and nearby dumps returned significant gold, silver, copper, lead and zinc values (see map below).

Minera Canasil, S.A. de C.V. Nora Project

Follow-up sampling along over 900 metre strike of the Candy vein, including samples from vein outcrops, adjacent host rocks and mineral dumps from past mining activity, continued to return high gold, silver, copper, zinc, lead values included in the table below:

Nora Project, Durango State, Mexico – Candy Vein Surface Samples, August 2019

Systematic soil sampling over the central zone of the project area covering the Candy and Nora veins and projected extensions included over 1,200 soil samples taken at 50-m intervals along 2-km east-west grid lines with 100-m north-south spacing over 3 km. Results included widespread silver, gold, copper, zinc and lead geochemical anomalies coincident with pathfinder minerals including arsenic, antimony, bismuth, cadmium, molybdenum and mercury. From this program, five high priority targets were identified (see maps below):

  1. Candy vein high-grade silver-gold zone, along strike to the north and south, and between and below drill holes NRC-20-01 to NRC-20-06.
  2. Candy vein SW silver and gold anomaly with potential for high-grade vein style mineralization as well as disseminated bulk tonnage mineralization over 1.5 km.
  3. Candy vein N-S silver-gold anomaly with over 3 km strike extent for high-grade vein style and disseminated silver-gold mineralization.
  4. East Anomaly: Large multiple silver-gold anomalies located to the east of the project area extending up to and surrounding the Nora vein over an area of 2 km by 1.5 km.
  5. Breccia targets such as Cerro Los Torunos located in the southwest of the project area for bulk tonnage disseminated silver-gold mineralization.

Nora Geochem Sampling Summary

Nora Silver-Gold Project, Potential for Extensive Mineralized System

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