{"id":"W4414873526","doi":"10.1016/j.epsl.2025.119652","title":"Decoupling cerium isotope fractionation from cerium anomalies in marine sediments","year":2025,"lang":"en","type":"article","venue":"Earth and Planetary Science Letters","topic":"Geochemistry and Elemental Analysis","field":"Earth and Planetary Sciences","cited_by":7,"is_retracted":false,"has_abstract":false,"ca_institutions":"Canadian Light Source (Canada); University of Saskatchewan","funders":"Government of Saskatchewan; Japan Society for the Promotion of Science; Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China; Canada Foundation for Innovation; Canadian Institutes of Health Research; National Research Council; University of Saskatchewan; National Science Foundation","keywords":"Seawater; Authigenic; Anoxic waters; Isotope fractionation; Cerium; Clastic rock; Regolith; Isotope","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001575671,0.0002211189,0.0002870185,0.0002330563,0.0002262988,0.0006758548,0.0002718566,0.0003264218,0.0006980528],"category_scores_gemma":[0.0004766901,0.0003824275,0.0001584788,0.0003044113,0.0002909204,0.0004746576,0.0004181749,0.0005384386,0.0002591706],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003782762,"about_ca_system_score_gemma":0.0004938909,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005753743,"about_ca_topic_score_gemma":0.01102423,"domain_scores_codex":[0.999936,0.000004242602,0.000004438591,0.00002670958,0.0000134976,0.00001513318],"domain_scores_gemma":[0.9999026,0.00003021231,0.00001505974,0.00002003382,0.00002107169,0.00001104858],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0003520099,0.00001377972,0.009467834,0.00004643379,0.00002507662,0.00004524949,0.00004693586,0.000694428,0.9791255,0.0003880693,0.00006032251,0.009734361],"study_design_scores_gemma":[0.00006560375,0.0001476936,0.166347,0.00001689826,0.00006567781,0.0001461411,0.0001434627,0.01069322,0.8183588,0.001283497,0.002688027,0.00004404344],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.994793,0.000324181,0.003129282,0.00009125398,0.00002563396,0.000004388867,0.0001346756,0.00006597854,0.001431613],"genre_scores_gemma":[0.9977047,0.0002320801,0.001163947,0.00005214042,0.000007366198,0.00000362368,0.0001388598,0.00003949019,0.0006577855],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005753743,"threshold_uncertainty_score":0.01144052,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004684072627594226,"score_gpt":0.1886754464863677,"score_spread":0.1839913738587735,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}