Preliminary drilling by
A 5,000-metre program of reverse-circulation holes tested the zones, all of which underlie soil geochemical anomalies. Each zone is associated with the northerly trending Inata fault zone. Also, each appears to be sub-vertical in orientation and is characterized by quartz stockworks in highly altered and deeply oxidized sericitic schists.
Gold values range from 0.86 gram per tonne over 20 metres to 16.01 grams over 4 metres; the latter is also the narrowest interval reported.
Highlights include:
- hole 58, collared in the South zone, which returned 56 metres (42-98 metres) averaging 2.51 grams, including 16 metres grading 4.69 grams;
- hole 4, also collared in the South zone, which returned 48 metres grading 2.28 grams; and
- hole 20, collared in the Main zone, which returned 8 metres of 10.72 grams gold.
The two highest-grading intervals came from fissure veins in the Main and North zones, both of which have been worked by artisanal miners.
Surface prospecting is ongoing, and more drilling will follow.
Orezone can earn a 90% stake in the 500-sq.-km property, with the government retaining a 10% carried interest.
Meanwhile, the company has renewed trenching and soil sampling at its Intidougou property, in southern Burkina Faso. As well, airborne magnetic surveys are under way at the adjacent Sebedougou, Bondigui and Tomena permits.
At Intidougou, efforts are centred on the C showing, where 14.9 metres of silicified, brecciated and mineralized bedrock exposed in a trench averaged 17.2 grams gold. The showing is 1.5 km northeast of the A zone, where limited core drilling has returned up to 11.4 grams gold over 8.1 metres of intensely altered syenite and associated volcanic rocks.
Orezone is earning 60% interests in the Sebedougou and Bondigui properties and holds a 90% interest in Tomena. The government retains a 10% carried interest in each.
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