{"id":"W4383312424","doi":"10.1002/gj.4824","title":"Geochemical characteristics and genetic types of crude oils from a variety of geological reservoir rocks (Cretaceous–Palaeogene) in the Melut Basin, southern Sudan based on biomarker and carbon isotope composition","year":2023,"lang":"en","type":"article","venue":"Geological Journal","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of the Fraser Valley","funders":"","keywords":"Paleogene; Source rock; Geology; Maturity (psychological); Sedimentary depositional environment; Biomarker; Oil shale; Cretaceous; Organic matter; Geochemistry; Isotopes of carbon; Structural basin; Paleontology; Total organic carbon; Environmental chemistry; Chemistry; Ecology; 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":[0.0003889199,0.0001659792,0.0003943566,0.0001479652,0.00005875904,0.00003185319,0.0001852316,0.0002118816,0.00007936994],"category_scores_gemma":[0.0001215963,0.0001037827,0.00008819024,0.0003067847,0.0001704212,0.00002496672,0.00006164569,0.0003627438,0.000003086223],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001661224,"about_ca_system_score_gemma":0.00001454035,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005695364,"about_ca_topic_score_gemma":0.00002224985,"domain_scores_codex":[0.998542,0.000279862,0.0004709616,0.0001840191,0.0002925883,0.000230589],"domain_scores_gemma":[0.9992474,0.0003236266,0.0001047291,0.0001673904,0.00005750026,0.000099306],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0007114375,0.0003297935,0.6149113,0.0001256588,0.0003278276,0.0005595252,0.001754834,0.1229732,0.2559194,0.00002276471,0.000162216,0.002202031],"study_design_scores_gemma":[0.0007617993,0.000191864,0.322623,0.00006858013,0.0000925151,0.00004740627,0.0003006109,0.6709144,0.00400901,0.0007387585,0.00006366005,0.0001884632],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9977674,0.0003227025,0.0009353682,0.0006165777,0.00003224162,0.00009484655,0.00003443524,0.00003244247,0.0001639424],"genre_scores_gemma":[0.99902,0.0004546061,0.0003005439,0.0001064088,0.00005663287,0.000006898577,0.00004040532,0.00001019329,0.000004282364],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5479411,"threshold_uncertainty_score":0.4232135,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01713774954922736,"score_gpt":0.2217091554527574,"score_spread":0.20457140590353,"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."}}