{"id":"W2026048524","doi":"10.1130/0091-7613-32.1.e68","title":"Ironstone pods in the Archean Barberton greenstone belt, South Africa: Earth's oldest seafloor hydrothermal vents reinterpreted as Quaternary subaerial springs: Comment and Reply","year":2004,"lang":"en","type":"article","venue":"Geology","topic":"Geological formations and processes","field":"Earth and Planetary Sciences","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Ironstone; Greenstone belt; Archean; Subaerial; Geology; Seafloor spreading; Hydrothermal circulation; Banded iron formation; Geochemistry; Hydrothermal vent; Paleontology","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":[0.0004323428,0.0001530377,0.0001964124,0.00008360504,0.0001790095,0.00003408757,0.0002664078,0.00009512358,0.0006575481],"category_scores_gemma":[0.00006015612,0.0001032767,0.00003636687,0.0001567009,0.0003012384,0.0001234514,0.00004433752,0.0002401741,0.0001921864],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000004497045,"about_ca_system_score_gemma":0.00003771367,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01247254,"about_ca_topic_score_gemma":0.004265268,"domain_scores_codex":[0.9987451,0.0001677255,0.0002705668,0.0002622708,0.0001562573,0.0003980646],"domain_scores_gemma":[0.9994989,0.0001101989,0.0000798304,0.00020694,0.00001823216,0.00008590739],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006263975,0.0001382648,0.9664551,0.00005727789,0.00004297349,0.0002643497,0.01653106,0.003632584,0.00007460837,0.00124236,0.000102491,0.01083253],"study_design_scores_gemma":[0.001382684,0.00103717,0.9841614,0.00003791969,0.00001890245,0.0003205885,0.001008318,0.001067146,0.0001080233,0.005733472,0.004867015,0.0002573288],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9893491,0.0004527378,0.00004929003,0.006318518,0.0001515189,0.0002281432,0.00002141266,0.00003166744,0.003397648],"genre_scores_gemma":[0.9970297,0.00003641507,0.0003665975,0.002314932,0.00006194635,0.000006132736,0.00008691836,0.000003140028,0.00009418151],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01770632,"threshold_uncertainty_score":0.9941035,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01448786514186256,"score_gpt":0.2181839783348112,"score_spread":0.2036961131929486,"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."}}