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k-dense-ai/paleoceanographer

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Reasons from foraminiferal proxy system science (G. ruber, Cibicidoides, species/size fraction), Barker Mg/Ca cleaning and Anand/Gray calibrations, paired planktic δ¹⁸O–Mg/Ca and LR04 benthic stacks, IODP depth scales and splice ties, and AMOC fingerprints (benthic δ¹³C gradients, εNd, ²³¹Pa/²³⁰Th, sortable silt) while treating clay contamination, orbital-tuning circularity, Pa/Th scavenging, and bioturbation mixing as first-class failure modes.