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‘Radical interpretations’ preclude the use of climatic wiggle matching for resolution of event timings at the highest levels of attainable precision


An age model (Mark et al., 2017) for ODP 758 and the Matuyama-Brunhes boundary transition and Termination IX in the equatorial Indian Ocean is robust and accurate. No significant magnetic lock-in delay is evident at the depth of the Matuyama-Brunhes boundary and the study highlights that 40Ar/39Ar geochronology is critical for dissection of the Pleistocene at the highest levels of temporal precision and minimal model-dependence. Testing of leads and lags in global-scale climate response requires independently dated timescales to reveal the fine-detail recorded by the various climate archives.

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