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Location: 590 km E from Geraldton, Western Australia, Australia
292 Barker RoadPO Box 1473, WA 6904PerthWestern Australia, Australia6008
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The Vivien Project includes three deposits - Vivien Main, Vivien Gem and Rik. It is located in the Agnew Gold Camp within the Norseman–Wiluna greenstone belt of Western Australia. Located around 25 km southwest of Leinster, the Agnew area hosts multiple gold. Gold mineralisation is strongly structurally controlled, and gold mineralisation is typically associated with shear zones, fold hinges and axial planes, and contrasts between differing lithological units.Vivien is a typical orogenic structurally controlled Archaean gold lode system.The Vivien gold deposit is located on the eastern limb of the Lawler’s anticline. The stratigraphy in the area is similar to the Agnew area with lower basalts and komatiitic units unconformably overlain by a sedimentary sequence known as the Vivien Formation/Mount White Group.The deposit is characterised by a quartz–sulphide vein within a broader anastomosing shear zone. The veins trend 028° magnetic and dips ~70° towards the southeast. The constraining shear appears to be a subsidiary structure related to a major northnorthwest trending structural feature that bounds the host rock dolerite–gabbro sill.High Grade ore is generally sulphide rich with pyrrhotite and arsenopyrite. The orientation of the main Vivien Ore surface is 028 degrees dipping 60-70 degrees to the SE. The structural has local flexures with flatter areas corresponding to high grades. Vivien Gem is hosted in the Vivien Formation and is associated with thin Rik Dolerite sills. Gem lode trends to the NNW and dips to the ENE with higher grade zones at exist at intersection points with NE trending faults.VivienThe Vivien deposit is a narrow, high-grade, quartz vein hosted lode deposit. The vein is typically between 1 and 6 metres wide, strikes north-south (local grid) and dips at 70°. Mineralisation is hosted within a dolerite/gabbro unit.The geological interpretation of the deposit is based on logging of drillholes and detailed mapping and exposure of the lodes in the open pit and underground.Mineralised lodes strike north northeast (026°), dip at 70-80° to the east southeast and are constrained to a corridor approximately 200 m wide. Average lode width is approximately 2.5 m, mostly ranging between 1- 6m. Established strike length of 750m and down-dip extent of 730m.RikThe Rik deposit comprises two narrow, high grade quartz veins. The lodes strike north-south (local grid) and dip at 70° to the east. The lodes are up to 15 m thick at the widest part.Mineralised lodes strike north northeast (026°), dip at 70° to the east and are constrained to a corridor approximately 40 m wide. Average lode width is approximately 5 m, ranging between 1 and 15 m. Established strike length of 140 m and down-dip extent of 100 m.Vivien GemThe Vivien Gem mineralisation is associated with a steeply dipping/sub-vertical quartz vein that occurs close to or at the contact between a mafic conglomerate to the west and a finer grained clastic sedimentary package to the east.The main vein (domain 1001) is reasonably robust. The other 14 domains are interpreted to be smaller, discontinuous hanging wall and footwall lodes running sub-parallel to the main vein.The mineralised lodes strike northwest – southeast, extend for approximately 520 m along strike and are constrained to a 70 m wide corridor in plan. The lodes dip steeply to the north east at 85°. The mineralisation sub crops for 3 domains and the main domain is modelled from surface to a vertical depth of 380 m below surface. The mineralisation ranges from 0.2 m to 2 m thick.
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