m CSF = depth of Core below Sea Floor in meters.
m CSF-A: Distance from sea floor to sample within recovered core. This scale allows overlap at core and section boundaries.
m CSF-B: Distance from sea floor to sample within recovered core is compressed, if core recovery > 100%.
For “cuttings” samples, depth unit is “m MSF” (depth of Mud below Sea Floor in meters).
For further details, consult the “IODP Depth Scales Terminology” in the IODP web site (http://www.iodp.org/policies-and-guidelines).