Canada-based mineral explorer Legend Gold has completed a ground gravity survey over the Lakanfla and Tinntiba permits in western Mali.
The survey which covered 48km² with a 100m x 100m grid with the E-W lines being offset 50m, found the gravity sensitivity as ±0.1 milligal.
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The gravity survey was carried out by MWH Geo-Surveys, and intended at finding intersections of mineralised structures with weathered carbonate lithologies. It also found that most of the irregular lows lie adjacent to outcropping N-S trending vein artisanal workings.
According to the company, four areas warranted infill surveys at 100m line spacing with readings every 25m, while analysis of the free-air Bouguer and residual anomaly maps show a series of N-S to NNW-SSE trending anomalies cross-cutting the regional NNE-SSW trends.
Legend Gold claims that the intersection of these N-S gravity lows with positive NNE lithological trends may indicate areas of deep weathering of altered calcareous sediments and associated mineralisation.
Legend Gold president and CEO Douglas Perkins said that that the company is encouraged by the results of the gravity survey.
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By GlobalData"As disclosed on 6 January 2013, the company plans to drill test on a limited basis four of the anomalous areas where extant drilling already suggests deeper, infilled, erosional topography, which may not have been tested to bedrock," Perkins said.
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