Final Report - Geoscience BC
Final Report - Geoscience BC
Final Report - Geoscience BC
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Geology and alteration related to mineralization• What defines mineralized zones at Mount Milligan?– Boundaries of monzonite stock, and associated dikes– Mineralization in permeable units, hydrothermal breccias, conglomerates,upper and lower trachytes, faults– Proximal biotite-Kspar-magnetite-chalcopyrite (‘potassic’ alteration)From Jago (2008, MSc thesis, unpublished)DWBX ZoneWBX ZoneMBX Zone“66” Zone– Distal epidote-albite-actinolite-pyrite (‘propylitic’ alteration)– Shallow, low T carbonate-sericite alteration (anomalously high gold grades;permeable pathways)Figure 5. Geology and alteration related to mineralization15
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