Extended Data Fig. 5: Additional GDGT source indicator records from the North Atlantic. | Nature Geoscience

Extended Data Fig. 5: Additional GDGT source indicator records from the North Atlantic.

From: Oxygenated deep waters fed early Atlantic overturning circulation upon Antarctic glaciation

Extended Data Fig. 5

a, ODP 64777, b, ODP 91374, c, IODP U140675,76, d, IODP U141175, and e, IODP U1404 BIT (branched and isoprenoid tetraether index) records. Among the source indicator records, BIT is mostly available. The highlighted interval at ~36.5‒34 Ma and the indicated EOB are the same as Extended Data Fig. 3.

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