{"id":"W2061745066","doi":"10.1016/s0031-0182(00)00169-3","title":"Chemostratigraphy of the Mid-Carboniferous boundary global stratotype section and point (GSSP), Bird Spring Formation, Arrow Canyon, Nevada, USA","year":2001,"lang":"en","type":"article","venue":"Palaeogeography Palaeoclimatology Palaeoecology","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":38,"is_retracted":false,"has_abstract":false,"ca_institutions":"Brock University","funders":"","keywords":"Pennsylvanian; Global Boundary Stratotype Section and Point; Stratotype; Geology; Carboniferous; Paleontology; Conodont; Canyon; Chemostratigraphy; Biostratigraphy; Sedimentary rock; Stage (stratigraphy); Geomorphology; Structural basin; Chemistry; Isotopes of carbon","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.000671379,0.0006293623,0.0009302177,0.0004397378,0.0009045648,0.0000758907,0.0006950005,0.0007860272,0.000325996],"category_scores_gemma":[0.0001028078,0.0005144681,0.000500934,0.00162054,0.00244071,0.0005056337,0.00002779549,0.0006936459,0.00002461521],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001282745,"about_ca_system_score_gemma":0.0002247973,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004587487,"about_ca_topic_score_gemma":0.2778297,"domain_scores_codex":[0.9957135,0.0006324432,0.001152248,0.0008643714,0.0004094109,0.00122805],"domain_scores_gemma":[0.9975999,0.0004182998,0.0007282277,0.0007125358,0.0002029055,0.0003381584],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001935243,0.00007980663,0.9895044,0.00008941887,0.0002201264,0.0000689904,0.0001868707,0.00003614029,0.0001520647,0.001082503,0.0001218201,0.008264363],"study_design_scores_gemma":[0.001164932,0.0003954447,0.9883995,0.00003872749,0.0001750869,0.001624241,0.0002812078,0.0003482107,0.0002386686,0.005985711,0.00086375,0.000484508],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9698155,0.007849382,0.0001461341,0.001496008,0.001660623,0.0006717573,0.0001189572,0.0001682534,0.01807336],"genre_scores_gemma":[0.9976293,0.001069566,0.0007626826,0.0003679021,0.0001134855,0.00002322155,0.00001898757,0.00000840141,0.000006475922],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2732422,"threshold_uncertainty_score":0.9997307,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008823236780793654,"score_gpt":0.2091888934089393,"score_spread":0.2003656566281457,"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."}}