{"id":"W2154211501","doi":"10.1139/e10-042","title":"High-precision U–Pb zircon ID–TIMS dating of two regionally extensive bentonites: Cenomanian Stage, Western Canada Foreland BasinThis article is one of a series of papers published in this Special Issue on the theme of<i>Geochronology</i>in honour of Tom Krogh.","year":2011,"lang":"en","type":"article","venue":"Canadian Journal of Earth Sciences","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":32,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; Western University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Cenomanian; Geology; Foreland basin; Zircon; Cretaceous; Paleontology; Geochronology; Bentonite; Marine transgression; Structural basin; Geochemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"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":[0.000102422,0.0003314315,0.0001297667,0.001163052,0.0009726088,0.0006050316,0.0003001327,0.0002158562,0.0006440311],"category_scores_gemma":[0.0001464839,0.0002041634,0.0001120513,0.001215079,0.0003864906,0.0001550978,0.0002921695,0.0002105979,0.0001502697],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002989929,"about_ca_system_score_gemma":0.002292658,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8084383,"about_ca_topic_score_gemma":0.9595666,"domain_scores_codex":[0.9998981,0.000001812283,0.000004052129,0.00003327932,0.00003903617,0.00002383638],"domain_scores_gemma":[0.9998916,0.000004219181,0.00001732935,0.000006068533,0.00006178756,0.00001904626],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003021997,0.00006587113,0.6557068,0.00006922526,0.0001031992,0.000505753,0.001808768,0.001019673,0.2895771,0.000449757,0.001274942,0.04911675],"study_design_scores_gemma":[0.00000396922,0.00001297392,0.9868184,0.000005107278,0.00001936578,0.00007400315,0.000249197,0.0004830266,0.009154236,0.00001455368,0.003159895,0.000005303871],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9961936,0.0002714497,0.0003681256,0.00001928886,0.000004210072,0.00001342922,0.001192937,0.00002294812,0.001914034],"genre_scores_gemma":[0.9950328,0.0002023542,0.001287601,0.00001550397,0.000002563008,0.000008249719,0.001367859,0.00001525568,0.002067764],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1915617,"threshold_uncertainty_score":0.3853797,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02431976261459838,"score_gpt":0.1958373962462694,"score_spread":0.171517633631671,"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."}}