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Digital image scans of core sections are more than just pretty pictures. They are a relatively new and useful source of high-resolution core data. Images of the sediment can be extracted, depth-scaled, and compared to any other depth-ordered set of data. In this report we have shown that the process can be automated and performed relatively simply. We have used the data to examine differences between cores from different holes at five sites from IODP Expedition 303 and found that most offsets are within 35 cm of the composite section.