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PROJECTS ASSESSMENT. Kage Minerals and GL Jossue & JB Joel. SINGIDA-MAYAMAYA PROVINCE, LAKE VICTORIA GOLDFIELDS REGION. Target: Potential >500,000 oz Au deposits in tectonothermally-modified granitoid-greenstone domains and extensions to Shanta Gold’s 800,000 oz @ 2.84g/t Au deposit.
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PROJECTS ASSESSMENT Kage Mineralsand GL Jossue & JB Joel
SINGIDA-MAYAMAYA PROVINCE, LAKE VICTORIA GOLDFIELDS REGION Target: Potential >500,000 oz Au deposits in tectonothermally-modified granitoid-greenstone domains and extensions to Shanta Gold’s 800,000 oz @ 2.84g/t Au deposit Overview: Clients 1 (Kage Minerals: HQ-P 26609) in the Kwa-Mtoro Granitoid Domain and Client 2 (GL Jossue & JB Joel: PL 7838/12; PL5020/08; PL4934/08; HQ-P 22932) in the Sanzawa Greenstone Domain Geological Setting: The properties under review covers the north-western parts of the gold-hosting Kwa-Mtoro-Sanzawa Belt, whose bedrock geology is largely covered by Neogene volcanic and superficial deposits. Strongly deformed greenstones crop out, and those exposed by small-scale mining activities, comprise strongly mylonitic mafic amphibolite, meta-gabbro and meta-dolerite. Weakly deformed dark-green basaltic-andesite and porphyritic intermediate volcanic rocks are also partly covered by residual red soil and thin black cotton soils. Highlights: • Gold-endowment of the Singida-Mayamaya Province previously less-explored most probably due to: • strong late-Precambrian tectonothermal modification of the geology • Lodes of gold mineralisation previously mapped as fine-grained cataclasite (Fozzard (1959) • Exploration encouraged by ASM discoveries in the Kwa-Mtoro Granitoid Domain • Government’s support such as acquisition of high-resolution geophysical data including gravity and VTEM • Systematic exploration on London’s ASM discoveries led to SHANTA’s >800,000 Au (resource) discovery • Gold in the Sanzawa Domain occurs in quartz veins hosted by shear-foliated dolerite, mafic amphibolite • Gold in the Kwa-Mtoro Granitoid Domain occurs in strongly shear-foliated granitoid gneisses. • Both domains are bounded by NW-SE-trending crustal-scale structures and 2680 Ma granitoids. • A sinistral reactivation along these structures may have facilitated preferential development domain-scale structural traps. • Field visit to Kwa-Mtoro Sanzawa Properties undertaken in March 2014.