{"id":"W4398785118","doi":"10.1016/j.marpetgeo.2024.106909","title":"Carbon-isotope stratigraphy of the Lower Cambrian (Cambrian explosion) in northwestern Yangtze Platform, China: Implications for global correlation","year":2024,"lang":"en","type":"article","venue":"Marine and Petroleum Geology","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":9,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland","funders":"Natural Science Foundation of Sichuan Province; National Natural Science Foundation of China","keywords":"Geology; Excursion; Paleontology; Isotopes of carbon; Extinction event; Sedimentary rock; Chemostratigraphy; δ13C; Stratigraphy; Total organic carbon; Stable isotope ratio; Tectonics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001502931,0.0001368076,0.0002040887,0.00009830437,0.0001062627,0.00002315575,0.0001556248,0.0001417428,0.00004922321],"category_scores_gemma":[0.00001332433,0.00009846838,0.00009989557,0.0002518563,0.0001908445,0.0001244128,0.000008345925,0.0001551817,0.000001162759],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000002703859,"about_ca_system_score_gemma":0.0000664114,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.009908994,"about_ca_topic_score_gemma":0.3637188,"domain_scores_codex":[0.9990935,0.00004996561,0.0002784169,0.0002641016,0.00006518708,0.0002488374],"domain_scores_gemma":[0.9995422,0.0001316347,0.000068671,0.000181392,0.00001849471,0.0000575581],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006422705,0.00001895894,0.9492957,0.00002686302,0.00002722975,0.000003583187,0.00006266536,0.00008195861,0.000008896599,0.006148374,0.00001925964,0.04424228],"study_design_scores_gemma":[0.0003075457,0.0002640071,0.9824136,0.00001555099,0.00002654532,0.00004450136,0.0000325692,0.006039418,0.000002206672,0.01034603,0.0004067987,0.0001012254],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9556856,0.0016676,0.0001241819,0.000833704,0.0005177503,0.0002099963,0.0001165232,0.00002247848,0.04082214],"genre_scores_gemma":[0.9995296,0.00007990375,0.00009495609,0.00004254779,0.00005756695,0.00001215285,0.00005633184,0.000001211236,0.0001257112],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3538098,"threshold_uncertainty_score":0.9966841,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01087187556637756,"score_gpt":0.222144687963207,"score_spread":0.2112728123968295,"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."}}