{"id":"W1983940179","doi":"10.1016/j.orggeochem.2006.08.010","title":"Gas maturity and alteration systematics across the Western Canada Sedimentary Basin from four mud gas isotope depth profiles","year":2006,"lang":"en","type":"article","venue":"Organic Geochemistry","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":70,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada; Canadian Association of Petroleum Producers","keywords":"Kerogen; Geology; Maturity (psychological); Cretaceous; Sedimentary rock; Source rock; Geochemistry; Sedimentary organic matter; Isotopes of carbon; Structural basin; Paleontology; Mineralogy; Total organic carbon; Chemistry; Environmental chemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"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":[0.0001117026,0.0002016399,0.0001482437,0.002187899,0.001012044,0.0006074494,0.0003264103,0.0001616221,0.0007683877],"category_scores_gemma":[0.0003632937,0.0002108211,0.0001399254,0.002187741,0.0003725191,0.0002368129,0.0005014256,0.0001381726,0.0001222086],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003819778,"about_ca_system_score_gemma":0.002953808,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.93501,"about_ca_topic_score_gemma":0.9825222,"domain_scores_codex":[0.9999173,0.000002805302,0.000003997921,0.00001764314,0.00002958022,0.00002866718],"domain_scores_gemma":[0.9996775,0.00001974234,0.00004337771,0.000008118492,0.0001988346,0.00005249173],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001373792,0.000009987248,0.9703215,0.00002086219,0.00003682587,0.0001084511,0.00151596,0.0005203292,0.01597856,0.0001586553,0.0001969293,0.01099458],"study_design_scores_gemma":[9.780534e-7,0.000004603823,0.9978284,0.000003982644,0.000008975059,0.00002533064,0.0004355534,0.0002910137,0.0008665153,0.00001060704,0.0005205777,0.00000347733],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981039,0.00007752621,0.00009282328,0.000009782661,6.088852e-7,0.000004254408,0.0005657682,0.000009173209,0.00113616],"genre_scores_gemma":[0.9982686,0.00008438561,0.0002105095,0.000006073817,4.765918e-7,0.000002812754,0.000497175,0.000004572479,0.000925324],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06498998,"threshold_uncertainty_score":0.1307454,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005569094031682084,"score_gpt":0.1871126151106625,"score_spread":0.1815435210789805,"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."}}