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Correlator is a free, open source application for core stratigraphic correlation, compositing, and splicing. It is available for macOS and Windows. 

Correlator is the update of the Splicer and Sagan applications long used on UNIX systems in IODP cruises and other soft sediment deep coring projects. Outputs are community standard means for describing alignment of cores from adjacent boreholes and core composite profiles (splices). The JOIDES Resolution Science Operator (JRSO) coordinates and funds development.

Download Correlator 

Submit Correlator feature requests or bug reports

View JRSO Stratigraphic Correlation Support User Guides

View the IODP Depth Scale Terminology reference guide (PDF)

Screenshot of the Correlator program