{"id":"W2046007293","doi":"10.1126/science.1241396","title":"Abundant Porewater Mn(III) Is a Major Component of the Sedimentary Redox System","year":2013,"lang":"en","type":"article","venue":"Science","topic":"Geochemistry and Elemental Analysis","field":"Earth and Planetary Sciences","cited_by":298,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université du Québec à Rimouski; McGill University","funders":"","keywords":"Redox; Anoxic waters; Dissolution; Manganese; Environmental chemistry; Abiotic component; Dissolved organic carbon; Sediment; Chemistry; Sedimentary rock; Mineral redox buffer; Inorganic chemistry; Geology; Oxygen; Geochemistry; Geomorphology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0003184972,0.00008109846,0.0001063462,0.00003453079,0.000313404,0.00005659744,0.0005887168,0.0000174402,0.004268872],"category_scores_gemma":[0.000003906003,0.00004492431,0.00006500108,0.0004549104,0.0004716135,0.0002271612,0.0000550784,0.00005792269,0.0002801261],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000009673397,"about_ca_system_score_gemma":0.00004401066,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009304456,"about_ca_topic_score_gemma":0.000170739,"domain_scores_codex":[0.9987866,0.00001956547,0.0001941847,0.0002310003,0.000503634,0.0002650342],"domain_scores_gemma":[0.9994707,0.0000133086,0.00008710501,0.0002788043,0.00004882387,0.0001012683],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002400209,0.00007173199,0.7934073,0.0001869403,0.00006640967,0.000008876459,0.002030715,0.0005594195,0.1893366,0.00003965471,0.008409427,0.005858866],"study_design_scores_gemma":[0.0002449689,0.0000513249,0.5361803,0.0000572982,0.0000402107,0.00003718935,0.002231417,0.01204226,0.446652,0.0002438128,0.002022427,0.0001968592],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9942752,0.00004493958,0.000004692349,0.0012011,0.0001924238,0.0001474033,0.00004673422,0.00001142147,0.004076106],"genre_scores_gemma":[0.9987423,0.000001198043,0.0001451861,0.0004718156,0.00002404704,0.000001677748,0.00001267801,7.547699e-7,0.0006003815],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2573154,"threshold_uncertainty_score":0.9972927,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004505641555405908,"score_gpt":0.169886590274764,"score_spread":0.1653809487193581,"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."}}