{"id":"W4414797371","doi":"10.1016/j.gca.2025.10.002","title":"Abiotic iron oxidation controlled the deposition of Neoproterozoic iron formations","year":2025,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Geochemistry and Elemental Analysis","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Regina; Lakehead University; University of Alberta","funders":"National Key Research and Development Program of China","keywords":"Anoxic waters; Diagenesis; Snowball Earth; Methanogenesis; Abiotic component; Methane; Mackinawite; Redox; Anaerobic oxidation of methane; Deposition (geology)","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002457349,0.0003037332,0.0003152165,0.0003822061,0.0004635602,0.0008545654,0.0003716713,0.0004461618,0.0008038507],"category_scores_gemma":[0.0004360965,0.0003843901,0.0001353472,0.0003029024,0.0009379618,0.0004976995,0.0006869386,0.0003906834,0.0002330954],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001512722,"about_ca_system_score_gemma":0.0006009397,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009095247,"about_ca_topic_score_gemma":0.01741626,"domain_scores_codex":[0.9998665,0.000008166584,0.00001071567,0.00004659691,0.0000265462,0.00004137935],"domain_scores_gemma":[0.9997987,0.00003976567,0.00003423866,0.00003055183,0.00006251616,0.00003423951],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0002957095,0.0000153023,0.06708822,0.00009920598,0.00003040885,0.0002509553,0.0003674728,0.0007993166,0.9250394,0.001280971,0.000103207,0.0046297],"study_design_scores_gemma":[0.00005032078,0.0001146435,0.7626955,0.00001829908,0.00004700937,0.0002531151,0.0007193551,0.003769888,0.2250453,0.001330615,0.005931528,0.00002442761],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9979221,0.0002254785,0.0005963315,0.00005397908,0.000006381546,0.000006491716,0.0001252795,0.00001888139,0.001045046],"genre_scores_gemma":[0.9990208,0.000082571,0.0001741012,0.00001330026,0.000003037714,0.000002944768,0.00009736714,0.000008625144,0.0005972275],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009095247,"threshold_uncertainty_score":0.01808465,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006055765597985893,"score_gpt":0.2154880699076155,"score_spread":0.2094323043096296,"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."}}