After reprocessing of the 1998 seismic data an image was obtained for the barite/sulphides that correlated well with the top and bottom of mineralization given from borehole data. Strong surface waves, weak high velocity direct waves, and low signal to noise ratios characterize seismic data targeting shallow (200-400m) reflectors in permafrost environments. In this paper an fk filter was used to attenuate as much of the surface wave as possible. In a permafrost environment, strong surface waves are the main challenge faced when processing. The region is also unique due to the large quantity of barite. In this study, seismic data collected in 1998 in the Red Dog mine (Alaska, USA), illustrates the challenges that can occur in acquisition and processing when targeting sulphide ore bodies in a permafrost environment.
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