{"id":"W3016935829","doi":"10.1130/g47410.1","title":"Hematite replacement and oxidative overprinting recorded in the 1.88 Ga Gunflint iron formation, Ontario, Canada","year":2020,"lang":"en","type":"article","venue":"Geology","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Hematite; Geology; Overprinting; Sedimentary depositional environment; Geochemistry; Diagenesis; Ironstone; Silicate; Mineralogy; Pyrite; Iron oxide; Deposition (geology); Iron oxide copper gold ore deposits; Iron ore; Mineral; Paleontology; Sediment; Chemistry; Metallurgy; Hydrothermal circulation; Materials science","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002309442,0.00007583611,0.0001225839,0.00002074573,0.0001124814,0.00001201898,0.000115865,0.00004557627,0.0005794133],"category_scores_gemma":[0.00005964466,0.00005472599,0.00001383354,0.00007459601,0.00006553814,0.00009664673,0.000003070714,0.0001705734,0.000004587881],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000004380804,"about_ca_system_score_gemma":0.0001141156,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8588895,"about_ca_topic_score_gemma":0.9986197,"domain_scores_codex":[0.9992626,0.0001184521,0.0001918324,0.0001538939,0.00008457194,0.0001886504],"domain_scores_gemma":[0.9996159,0.0001651375,0.00007815934,0.00008252156,0.00001179842,0.00004648097],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00005038901,0.000002906657,0.9872058,0.00001189135,0.000006995574,0.00001578347,0.004811388,0.00008904932,0.000008535211,0.000145281,0.001095662,0.006556306],"study_design_scores_gemma":[0.0002079027,0.0001134951,0.9938794,0.000004186385,0.000004150609,0.00002550131,0.0009578592,0.00111003,0.00002057322,0.0004307193,0.003180008,0.0000661583],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9668513,0.000425802,0.0000790065,0.004974511,0.00008471485,0.0001395733,0.000005119921,0.000006582126,0.02743337],"genre_scores_gemma":[0.9980217,0.00001507204,0.0004711251,0.001434553,0.00001974311,0.000001996339,0.00001387207,2.619931e-7,0.00002163099],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1397303,"threshold_uncertainty_score":0.6344169,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01501908368141574,"score_gpt":0.1942998736345828,"score_spread":0.1792807899531671,"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."}}