The authors provide an excellent new high-resolution study of a data set spanning the PETM in a sequence that deserves more attention than thus far received. I'd like to express some general concerns related to the referencing in this manuscript. The introduction and discussion are largely up-to-date with respect to recent advances made on the PETM in general and on the regional expression of the PETM in particular. The last twenty years has seen enormous progress and new approaches to

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... roaches to understand a wide array of aspects of the PETM, but many of the underlying observations and ideas emerged the decade before. After the cruise of ODP Leg 113 Maud Rise and C1