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Geochemical Constraints Of The Gold Mineralization Sources From The South Mine Complex And The Main/’04 Breaks, Macassa Mine, Kirkland Lake, Ontario, Liana K.T. Stammers
Geochemical Constraints Of The Gold Mineralization Sources From The South Mine Complex And The Main/’04 Breaks, Macassa Mine, Kirkland Lake, Ontario, Liana K.T. Stammers
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Kirkland Lake Gold’s Macassa Mine is a lode gold deposit in the Abitibi Greenstone. It has two systems of mineralization: the Main/’04 Breaks, and the South Mine Complex (SMC). The objective of this work was to constrain mineralization sources between these systems using geochemical signatures. The SMC has different structure, mineralogy, alteration, trace- and major-elements composition, and δ18O values. The Main/’04 is a series of faults with thin alteration dipping south 60-85º. The SMC is a series of structurally controlled zones dipping southeast 25-50° with wide alteration. It is interpreted to be a Riedel Shear between the ’04 …