{"id":"W3001688184","doi":"10.1016/j.gca.2020.01.026","title":"Inverse correlation between the molybdenum and uranium isotope compositions of Upper Devonian black shales caused by changes in local depositional conditions rather than global ocean redox variations","year":2020,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Radioactive element chemistry and processing","field":"Chemistry","cited_by":39,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada; University of Waterloo; Canada Foundation for Innovation; National Science Foundation","keywords":"Geology; Sedimentary depositional environment; Authigenic; Geochemistry; Seawater; Isotope fractionation; Isotope; Sedimentary rock; Mineralogy; Paleontology; Oceanography","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":[0.0001541194,0.0001834334,0.0002552022,0.0006912398,0.0002168308,0.0003606638,0.0001196936,0.0002090864,0.001269644],"category_scores_gemma":[0.0003436972,0.0002622578,0.0001262058,0.000411665,0.0004345178,0.0001655727,0.0003237363,0.0001816336,0.0001837338],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002854088,"about_ca_system_score_gemma":0.000208392,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01076705,"about_ca_topic_score_gemma":0.01441112,"domain_scores_codex":[0.9999439,0.000008501165,0.000004549504,0.00001921135,0.00000811084,0.00001575036],"domain_scores_gemma":[0.9997531,0.00005612867,0.00006244473,0.00001995399,0.0000587711,0.00004965437],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000778751,0.00002161699,0.8751435,0.00003006779,0.00009204773,0.0001827551,0.000534203,0.0004015793,0.1175133,0.000115971,0.00007649218,0.005109736],"study_design_scores_gemma":[0.000001288899,0.000008818114,0.9992506,6.034742e-7,0.000003834239,0.00001507017,0.00003752575,0.0000761917,0.0005615206,0.000008093321,0.00003559815,8.691678e-7],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.999712,0.00004239033,0.00003353265,0.000005106269,0.00000103104,3.175525e-7,0.00004542028,0.000001703656,0.0001584013],"genre_scores_gemma":[0.9995143,0.00002629842,0.00002023341,0.000004092852,0.00000118858,8.671465e-7,0.0001095681,0.000001542694,0.000321958],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01076705,"threshold_uncertainty_score":0.02140874,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01313768015944369,"score_gpt":0.2459901766240107,"score_spread":0.232852496464567,"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."}}