Exploration Updates
Rongo Project
Spirit Mining LLC, a Michigan limited liability company, through its Kenyan affiliated companies, hold the exploration and mining rights to over 485 km2 in southwestern Kenya Africa. The licenses cover the northern extension of the Tanzanian Archean craton into southwestern Kenya – the Migori Greenstone Belt, and host numerous gold showings, artisanal workings and historic mines. Major gold deposits have been discovered and are currently being mined by Barrick Gold / Acacia Mining southwest of the Spirit Mining licenses, including the Mara North mine just 50 km south of the Spirit Mining licenses. These deposits are world class deposits with significant reserves and production of over 6 million ounces to date.
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Exploration Highlights
Past sampling of surficial occurrences across the license area has produced hundreds of anomalous Au results from single ppm levels to 10’s and greater ppm, and these occurrences suggest widespread Au mineralization across the entire license area.
Diamond drilling in 2004 by EAPG, and limited follow up drilling by the Linear/Stockport JV under artisanal workings on the 214 license as well as the 258 license produced multiple high grade intercepts in underlying quartz vein systems, and breccia zones in sheared volcanics. Most of the drilling in both areas was wide spaced, with no follow up drilling along strike or down dip, and many intercepts remain open for expansion. Additionally, numerous anomalous surface samples remain untested in the drilled areas and across the entire license area
In addition to drilling and surface sampling, previous operators have completed ground and airborne geophysical surveys over significant portions of the license area. Induced polarization, resistivity, and magnetics have been completed over prospective lithologies and structural trends, as well as areas of artisanal workings and anomalous surface samples.
Recommendations
The Spirit Mining licenses have only been partially explored. There are numerous areas of anomalous surface sampling (often with very high grades), and supporting geophysics that remain unexplored. Diamond drilling to date has consistently encountered anomalous to ore grades, and has not been systematically followed up with step out drilling to assess continuity.
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A program of follow up drilling is recommended, as is further surface exploration around previously identified anomalous rock and soil samples as well as artisanal workings. Where geophysical trends correlate with known mineralization, these trends should be evaluated with further surface sampling, trenching and drilling.
It seems likely that with the high number and grades of surface sampling and artisanal mining sites, gold mineralization in the underlying bedrock is widespread over the license area, and a thoughtful follow up program directed at known surface occurrences and historic drill intercepts should be successful in not only expanding known mineralization, but also in discovering new mineralized zones.
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