The first phase of drilling at the Santa Gertrudis mine property in northern Mexico has confirmed the presence of gold mineralization in eight of the 10 zones tested.
Campbell Resources (TSE) drilled 68 holes, which intersected oxide mineralization in the Sofia, Manueles Sur, Corral Northwest and Toro West zones, as well as four other structures. The grade of mineralization is said to be comparable to ore currently being mined at the Santa Gertrudis mine which averages about 2 grams gold per tonne.
The best intersections from the Toro West averaged 5.42 grams over 10.5 metres, 1.13 grams over 25 metres and 0.57 gram over 18 metres. The Sofia zone had the widest intersection, averaging 1.28 grams over 37.5 metres, while the Manueles Sur cut 3.05 grams over 30 metres.
Most of the 31 reported intersections were between 5 and 15 metres wide, with grades varying between 1 and 4 grams.
The 17,850-ft. drilling program also contributed to a better understanding of how mineralization on the property was formed. Several prominent structural features were delineated, and these are thought to have acted as “feeder zones” for the mineralizing fluids.
Several factors — the high density of gold deposits in the main mine, similar Carlin-type geology, and the number of gold occurrences and geochemical anomalies on the property — have led the company to conclude Santa Gertrudis has excellent potential for other significant gold deposits.
The company is now carrying out infill drilling. After this is complete, it will calculate minable reserves for these new zones.
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