Vancouver — Drilling on
Nine rigs are turning at the project, in Yunnan province, in an effort to test the Boka 1 zone on a 100-by-50-metre grid.
The drilling shows continuity of the mineralization along strike and downdip at the Boka 1 North and Boka 1 South zones.
The latest five holes from Boka 1 North are highlighted by intercepts grading 9.6 grams gold per tonne over 28.55 metres in hole 76, starting from a depth of 177 metres; 2.8 grams gold over 64 metres from a depth of 347.9 metres in hole 74; and 3.3 grams over 65.1 metres starting from 205 metres in hole 78.
Highlights from the previous batch of 14 holes include 52.8 metres grading 3.5 grams gold, 68.7 metres of 3.6 grams, 65.5 metres of 4.3 grams, and 59.85 metres of 3.9 grams.
The company is awaiting results for another 15 of its recently completed holes at Boka. The company expects quicker lab turnaround times for drill assay results since switching to SGS’s facility in Kunming and its Tianjin assay facility near Beijing.
In addition to infill drilling, Southwestern is testing several newly identified gold-in-soil anomalies in the southwestern portion of the Boka concession, adjacent to the Dongchuan copper-gold camp. Sampling returned values of up to 2 grams gold.
Meanwhile, Hatch Engineering is preparing a scoping study, which will include an independent resource calculation for the Boka 1 gold zone, as well as mining and processing options and cost estimates.
Southwestern has earned a 90% interest in the Boka gold project, the remainder of which is held by a Chinese geological agency.
Twelve gold zones have been identified on the large property, all of which are confined to a stratigraphic horizon in a 25-km-long structural zone. The mineralization is hosted in black shales, sandstone and gabbro within shallow, east-dipping shear zones associated with quartz-carbonate stockworks, carbonate-sulphide stockworks, and massive sulphides.
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