Horizontal raise boring ready for rollout

Horizontal raise boring ready for rollout

The horizontal raise boring (HRB) technology that Fochville based Master Drilling developed and applied in a pilot test at Petra Diamonds’ Cullinan mine in Gauteng recently, was on display at the Mining Indaba in Cape Town in February. The innovative HRB technology drew a lot of attention from the delegates at the mining show. According to Master Drilling CEO Danie Pretorius, the HRB technology is now ready for international rollout.

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West Africa - Golden Rim probes anomaly

West Africa - Golden Rim probes anomaly

The commencement of an air-core drilling programme at Golden Rim Resources’ 100% owned Babonga licence in Burkina Faso has been announced. According to Golden Rim’s managing director, Craig Mackay, Babonga has a highly coherent gold-in-soil anomaly about 2.1km long and 300m wide, which was defined in the southern part of the permit. “The anomaly coincides with a major regional structure and has soil sample values up to 270 parts per billion (ppb) gold, strikes north-east to north, and is open to the south. 

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West Africa - Seven IP zones outlined

West Africa - Seven IP zones outlined

Data from the first series of ground geophysical induced polarisation/resistivity (IP) surveys at Asante Gold’s Keyhole Gold option in Ghana has been compiled. The data shows that seven distinct linear trending IP zones have been outlined, which are interpreted to represent areas with increased sulphide mineralisation. Sulphide concentrations (relatively high IP values) in this structurally favourable Keyhole area are considered to be prime drill targets.

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West Africa - Holes show more shallow gold

West Africa - Holes show more shallow gold

Canadian gold miners Orezone Gold have announced positive drilling and preliminary metallurgical test results from a recent 5 968m drill programme at its 100% owned Bomboré gold project in Burkina Faso. These programmes were focused on a high-grade sulphide zone hosted in a shallowly plunging felsic intrusive, and on the oxide mineralisation of another drill hole’s oxide target, both situated on the Toéyoko permit adjacent to the Bomboré mining permit.

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West Africa - Exploration becomes Vital

West Africa - Exploration becomes Vital

After a particularly wet season in West Africa, Vital Metals has restarted its drilling programme at the Kollo Project in southern Burkina Faso, where the company holds 400km² of contiguous tenements.

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Central Africa - Infill drilling proves mineralisation

Central Africa - Infill drilling proves mineralisation

Results from Burey Gold’s drilling programme at the Kebigada Prospect at the Giro Project in the north-east of the Democratic Republic of the Congo (DRC) has shown significant gold mineralisation. The company drilled one diamond hole and an additional 18 reverse circulation (RC) holes for 2 169m, which continues to prove mineralisation.

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East Africa - Spherical graphite looks likely

East Africa - Spherical graphite looks likely

A maiden JORC compliant inferred mineral resource estimate of 40.9 million tonnes (Mt) at 9.41% total graphitic content (TGC) has been declared at AIM quoted Armadale’s Mahenge Liandu Graphite Project in Tanzania.\

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West Africa - Six metres on the West Flank

West Africa - Six meters on the West Flank

Canadian company SEMAFO has announced results from its ongoing proximal drilling programme at the Natougou project in Burkina Faso. The drilling programme was originally designed to explore the lateral extensions of the flat-lying Boungou Shear Zone (BSZ) proximal to the current in-pit reserves. Based on the results to date, the corporation now plans to bring the West Flank Zone into the inferred resources category and convert the inferred resources into the indicated category by the end of the 2017 financial year. Furthermore, SEMAFO plans to evaluate the potential for an underground operation.

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