{"id":"W3206590409","doi":"10.1016/j.gca.2025.07.009","title":"Exploring the affinity and selectivity of sedimentary mackinawite (FeS) towards natural organic matter","year":2025,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Marine and coastal ecosystems","field":"Earth and Planetary Sciences","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"Natural Sciences and Engineering Research Council of Canada; Canadian Institutes of Health Research; Concordia University; Canada Foundation for Innovation; Government of Saskatchewan; Advanced Light Source; Office of Science; University of Saskatchewan","keywords":"Mackinawite; Chemistry; Anoxic waters; Environmental chemistry; Iron sulfide; Sulfide; Organic matter; Sulfur; Pyrite; Greigite; Ferrous; Sedimentary organic matter; Biogeochemical cycle; Inorganic chemistry; Geology; Total organic carbon; Mineralogy; Organic 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":[0.0001884015,0.0002583234,0.0001299897,0.0001986235,0.0002011643,0.0002774413,0.0002006539,0.000300637,0.000552471],"category_scores_gemma":[0.0002823238,0.0001166458,0.0001470886,0.00009825613,0.0002348047,0.0002429237,0.000161976,0.0001681954,0.0001672064],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002170149,"about_ca_system_score_gemma":0.0001224259,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003593534,"about_ca_topic_score_gemma":0.009510103,"domain_scores_codex":[0.9998918,0.0000113886,0.000007812197,0.00004045355,0.00002172581,0.00002680588],"domain_scores_gemma":[0.9999139,0.0000289652,0.00001844982,0.000003913857,0.00002178054,0.0000128773],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00006994309,0.00001243956,0.006979723,0.0000929908,0.00001539909,0.00003935905,0.00004188331,0.0001440435,0.9906093,0.00005719411,0.00002489934,0.001912958],"study_design_scores_gemma":[0.000008699983,0.0007422672,0.148904,0.00002061466,0.00003810004,0.0003933431,0.0004056868,0.003131924,0.8426113,0.0001649674,0.003557888,0.00002119515],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988467,0.0002203522,0.0004930666,0.00001904422,0.00000302567,0.000007183161,0.00006818209,0.000005353667,0.0003371369],"genre_scores_gemma":[0.9976848,0.00026016,0.001207914,0.00003256417,0.000003424846,0.000005580235,0.000113196,0.000003464183,0.000688843],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003593534,"threshold_uncertainty_score":0.007145226,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01857304058507269,"score_gpt":0.213820146953818,"score_spread":0.1952471063687453,"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."}}