{"id":"W4375950572","doi":"10.1111/gbi.12557","title":"Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion","year":2023,"lang":"en","type":"article","venue":"Geobiology","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria","funders":"Nuclear Safety and Security Commission; National Research Foundation; Carlsbergfondet; National Aeronautics and Space Administration; Danmarks Grundforskningsfond; Simons Foundation","keywords":"Seafloor spreading; Geology; Isotopes of carbon; Excursion; Carbon cycle; Carbon fibers; Earth science; Geochemistry; Paleontology; Total organic carbon; Chemistry; Ecology; Environmental chemistry; Ecosystem; Biology","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":[0.0001904644,0.00008914353,0.0001461033,0.0000692287,0.0001620469,0.000005725443,0.0001932539,0.0001460486,0.00009423294],"category_scores_gemma":[0.00004202178,0.00005903811,0.00006844706,0.0002538807,0.0001916153,0.00004634578,0.000004373923,0.0001154074,0.0000209826],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000001224593,"about_ca_system_score_gemma":0.00002968304,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007557164,"about_ca_topic_score_gemma":0.004601418,"domain_scores_codex":[0.9991505,0.0001589542,0.0001713698,0.0001924336,0.00007148097,0.0002553149],"domain_scores_gemma":[0.9995922,0.00008730823,0.00007666492,0.0001868461,0.00002072409,0.0000361895],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002998276,0.00000506255,0.9497784,0.00001145703,0.00001796199,0.000004745276,0.0001793061,0.0002679179,0.03203128,0.00005003136,0.0002247604,0.01739904],"study_design_scores_gemma":[0.0001605741,0.00006947655,0.9907842,0.000007464247,0.000009535175,0.00001334567,0.00004597363,0.001311948,0.00714493,0.0002513873,0.0001307102,0.00007047449],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9888862,0.000988459,0.000001574971,0.0003926357,0.00113599,0.000134399,0.00003526775,0.00004097872,0.008384472],"genre_scores_gemma":[0.9995819,0.00007692883,0.00002511093,0.00002753849,0.0001529723,0.000002030544,0.00003496955,6.858156e-7,0.00009783429],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04100573,"threshold_uncertainty_score":0.2567699,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02334877732981845,"score_gpt":0.2185795079733449,"score_spread":0.1952307306435264,"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."}}