RE: Maghor drilling underway9 Jun 2022 09:40
Some comments from the RTO prospectus, including OP potential
Maghor - The mine was developed on 3 levels down to 60 m through 4 shafts sunk by Kenya Consolidated Gold, between 1939 and 1941. Several artisan mining sites have been opened within the target area, not all on the original reef. The area is partly covered by AAPS Phase 2 survey, and two IP surveys were carried out by IGE (reconnaissance and detailed). In 2009 3 diamond drilling holes were sunk by KPG but the cores were never assayed. The holes have encountered Kavirondian conglomerates only and it is likely that they have fallen short of reaching gold Mineralization.
Mineralization apparently occurs along the faulted contact between a quartz porphyry (hanging wall) and Kavirondian conglomerates. The quartz porphyry, also referred to as a microgranite by more recent authors, shows kaolinization. The IP survey results indicate a rather complex geological structure, particularly in the northern part of the target area.
Gold mineralization consists of discontinuous and narrow quartz veins. Total strike length reported by Phillipson (1996) is 300 m. However, mapping of artisanal workings show a strike length of 1,000 m for the main mineralized area (striking 115), not including additional veins to the West (oriented SWNE) and the Soiminin prospect to the East. At the colonial mine, the ore shoots had an average width of 30 cm (25 to 80 cm) and seemed to have been well defined down to the 3rd level. An average grade of 34 g/t over 76 cm along a strike length of 137 m was reported. Some quartz rubble was also present.
The Maghor target area shows the biggest concentration of reefs and mine workings of the area of interest. The presence of marked chargeability and resistivity anomalies within the quartz porphyry, in the northern part of the target area, as well as the existence of hydrothermal alteration, are also encouraging signs. This target may hold both low-tonnage high-grade quartz veins and more extensive mineralized systems with potentially larger resources.
As described in sections 4.2 and 6.7.1 of this report, there is considerable potential for resource increase on Kilimapesa Hill, to the West and to the East of the existing resource. The drilling strategy, however, should be carefully balanced between increasing the resource figure and providing data directly usable in mine development planning. While growing the resource base to sustain the proposed Plant #2 capacity increase to 12,000 tons per month, over potential targets for open-pit mining such as Maghor should not be overlooked.
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