{"id":"W4403731038","doi":"10.1016/j.ngib.2024.09.008","title":"A reverse biomarker-derived maturity trend in Triassic Yanchang Formation shales from the Ordos Basin in China","year":2024,"lang":"en","type":"article","venue":"Natural Gas Industry B","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"","keywords":"Geology; Maturity (psychological); Structural basin; Biomarker; Geochemistry; Paleontology; Chemistry","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":[0.0002487064,0.0001627499,0.0001905165,0.0002560196,0.00003792454,0.0001064657,0.0001695123,0.0003598113,0.0001573826],"category_scores_gemma":[0.00006656648,0.0001140815,0.00008859293,0.00109193,0.00002545788,0.0004320694,0.00003167175,0.001267609,0.00002508436],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001673467,"about_ca_system_score_gemma":0.00001817446,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003126384,"about_ca_topic_score_gemma":0.004480646,"domain_scores_codex":[0.9990089,0.0001088501,0.000301701,0.0001765793,0.0001887486,0.0002151994],"domain_scores_gemma":[0.9996577,0.00008208869,0.00002473244,0.0001842097,0.000007675691,0.0000435883],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0006985978,0.0004916917,0.02170714,0.001190165,0.001611123,0.001874966,0.05724701,0.1070187,0.1685239,0.0006152271,0.1741498,0.4648717],"study_design_scores_gemma":[0.0008881808,0.000009021711,0.03971113,0.000486291,0.00004207168,0.00001005709,0.001600203,0.945824,0.003676984,0.0004332687,0.006982285,0.0003364687],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9932751,0.001832325,0.00005895142,0.003529125,0.0004277158,0.0001564001,0.00003310242,0.0001685026,0.0005187495],"genre_scores_gemma":[0.9992976,0.0001373657,0.0000635313,0.00008233785,0.0001420667,0.00002597555,0.0001141387,0.00001785341,0.0001191125],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8388054,"threshold_uncertainty_score":0.55072,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02112767966707839,"score_gpt":0.2510900970807652,"score_spread":0.2299624174136868,"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."}}