{"id":"W1968186431","doi":"10.1016/s0033-5894(03)00061-9","title":"The Dawson Cut Forest Bed in the Fairbanks area, Alaska, is about two million years old☆","year":2003,"lang":"en","type":"article","venue":"Quaternary Research","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Tephra; Geology; Loess; Tephrochronology; Cenozoic; Volcano; Geochemistry; Geomorphology; Paleontology; Archaeology; Physical geography; Geography","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.006154847,0.0001645465,0.0001927911,0.0002432048,0.000839318,0.0001794553,0.001225316,0.0001800077,0.001517851],"category_scores_gemma":[0.0003170726,0.0000942921,0.00007916651,0.0007488533,0.0008791893,0.0001584656,0.00004605748,0.001340612,0.002360078],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000005184145,"about_ca_system_score_gemma":0.0001352805,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003491194,"about_ca_topic_score_gemma":0.02267363,"domain_scores_codex":[0.9946342,0.002398105,0.0003016995,0.0004446696,0.0009675864,0.001253804],"domain_scores_gemma":[0.9966022,0.002445979,0.00004531811,0.0006675821,0.0001003287,0.0001385462],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001331875,0.00002967597,0.992146,0.000009038132,0.00001675195,0.0003147946,0.001312255,0.00006622312,0.000003654215,0.0005174855,0.004249936,0.001201014],"study_design_scores_gemma":[0.000701346,0.0003484371,0.9587172,0.00002748424,0.000004345954,0.0001859931,0.001397993,0.00758705,0.00009624528,0.009091917,0.02167558,0.000166406],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9734014,0.002186649,0.000002513771,0.003845809,0.0002159685,0.000485755,0.00001302645,0.00001584177,0.01983302],"genre_scores_gemma":[0.9935959,0.0009919992,0.00002405091,0.000328342,0.00006850156,0.00002365048,0.00004420728,0.000006099614,0.004917279],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03342878,"threshold_uncertainty_score":0.9993949,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06560341508521725,"score_gpt":0.3356840071468949,"score_spread":0.2700805920616777,"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."}}