Vancouver — Southwestern Resources (SWG-T) has launched a 2,000 metre drill program on the Liam silver property in southern Peru.
The first bout of drilling is designed to test diatreme breccias associated with high-sulphidation style alteration identified over a 4-by-2.5 km area. The first holes will be collared on the Cerro Crespo target, which is marked by a flat topped ridge extending for 600 metres in a northwest-southeast direction. The ridge is strongly silicified and made up of several types of breccias containing vuggy silica, alunite, barite and hematite.
Early staged bottle roll metallurgical tests on surface material from the project yielded a 91% recovery rate for gold within four hours and 76.2% recovery of silver within 24 hours in one sample and 91.6% gold recovery in eight hours and 65.7% recovery of silver in 24 hours for a second sample. The head grade for the first sample came in at 310 grams silver and 0.53 grams gold per tonne gold, while the second sample averaged 241 grams silver and 0.33 grams gold.
Some 12 holes with average hole depths of 150 metres are planned for the program.
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